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🇺🇸 United States

Data sources for United States's government entities

Data for ~306 federal entities including cabinet departments, agencies, courts, and military branches. Also includes nationwide datasets for housing authorities, transit agencies, port authorities, regional planning organizations, and state-recognized tribes. Entity data for all 50 states and DC built from common federal sources, with state-specific sources for California, Florida, Massachusetts, Michigan, New Jersey, New York, Pennsylvania, Texas, Virginia, Washington, and more.

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Federal & Nationwide

Data for ~306 federal entities including cabinet departments, agencies, courts, and military branches. Also includes nationwide datasets for housing authorities, transit agencies, port authorities, regional planning organizations, and state-recognized tribes.

Source URL Data Provided
USA.gov Federal Directory usa.gov Federal agencies, departments, and courts
US Census Bureau census.gov State, county, and city populations; TIGER/Line boundaries for all 50 states
US Census Government Units Survey census.gov Special districts, school districts, and other local government units
US Census Decennial API api.census.gov Population data backfill from Decennial Census and ACS
HUD Public Housing Authorities New hudgis-hud.opendata.arcgis.com 3,692 public housing authorities nationwide (ArcGIS Feature Service)
US Census 2022 Census of Governments New census.gov Data Verification: Validated special district coverage (39,474/39,542 match) and identified 875 missing general-purpose governments
FTA National Transit Database New transit.dot.gov 220 transit authorities across all 56 US jurisdictions
AAPA / Army Corps of Engineers Port Data New aapa-ports.org 114 port authorities across 36 coastal and inland states
NCSL State-Recognized Tribes New ncsl.org 61 state-recognized tribal entities across 13 states (separate from federally recognized tribes)
FHWA MPO Database New planning.dot.gov 170 Metropolitan Planning Organizations and 207 Regional Planning Agencies across 42 states
FOIA.gov Agency Directory New foia.gov FOIA request contacts, email addresses, and submission portals for 129 federal agencies (611 components)
Wikidata wikidata.org Entity enrichment via SPARQL queries (25,905 entities tracked)
Fire Department Wiki fire.fandom.com Supplemental fire department data

All 50 States & DC

Entity data for every US state is built from a common set of federal data sources. These provide counties, cities, towns, school districts, and individual schools for all 50 states and the District of Columbia. States with additional state-specific sources are listed separately below.

Source URL Data Provided
Census Bureau TIGER/Line — Counties census.gov County boundaries and FIPS codes (parishes in Louisiana, boroughs in Alaska)
Census Bureau TIGER/Line — Places census.gov City, town, and village boundaries per state
Census Bureau TIGER/Line — School Districts census.gov Unified school district boundaries per state
NCES Common Core of Data — School Characteristics nces.ed.gov Individual school locations, status, and characteristics
Census Bureau TIGER/Line — County Subdivisions census.gov Township boundaries in states with township government (see note below)
GADM (v4.1) gadm.org Administrative boundaries (state boundaries)
Township data: The following 20 states use Census Bureau TIGER/Line County Subdivisions for township or town boundaries: Arkansas, Connecticut, Illinois, Indiana, Iowa, Kansas, Maine, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, South Dakota, Vermont, and Wisconsin.

Open Meetings & Public Notice Laws New

Structured data on sunshine laws and public notice requirements for all 50 states, DC, and the federal government. Covers agenda notice periods, public comment rules, closed session categories, and enforcement. See ungovr.org/meetings/us.

Source URL Data Provided
National Conference of State Legislatures (NCSL) ncsl.org State-by-state open meetings law tracker: notice requirements, exemptions, penalties
Reporters Committee for Freedom of the Press (RCFP) rcfp.org State-by-state open government guide covering both records and meetings
Individual State Legislature Websites Official statute text for each state's open meetings act (primary authority)
California Attorney General — Brown Act Guide oag.ca.gov Official AG guide to the Ralph M. Brown Act (open meetings for local bodies)
U.S. Government in the Sunshine Act law.cornell.edu Federal open meetings law for multi-member agency heads (5 U.S.C. § 552b)

California

In addition to the universal sources above, California entity data uses state-specific sources for its 58 counties, 482 cities, ~2,300 special districts, ~1,000 school districts, and ~500 JPAs.

Source URL Data Provided
California Department of Education cde.ca.gov Contact data for 936 school districts, plus K-12 and community college district CDS codes
State Controller's Office — Special Districts sco.ca.gov Authoritative special district and JPA enumeration from annual financial reports
Department of Water Resources — SGMA Portal sgma.water.ca.gov 260+ Groundwater Sustainability Agencies
League of California Cities cacities.org All 482 incorporated cities with charter/general law status
California Association of LAFCOs calafco.org Directory of all 58 county LAFCOs
California State Geoportal gis.data.ca.gov Special district boundaries, LAFCOs, fire districts
California Secretary of State Roster sos.ca.gov Contact data and officials for 58 counties and 482 cities
California Courts courts.ca.gov 58 Superior Courts, 6 District Courts of Appeal, Supreme Court
Bureau of Indian Affairs — Pacific Region bia.gov ~110 federally recognized California tribes
California State Association of Counties (CSAC) New counties.org Official website domains and government structure for all 58 California counties

Florida New

In addition to the universal sources above, Florida entity data uses state-specific sources for its 67 counties and ~837 special districts.

Source URL Data Provided
Florida Department of Economic Opportunity edr.state.fl.us 837 special districts from local government financial reporting
Florida Department of State — County Governments New dos.fl.gov Official website domains for all 67 Florida counties

Massachusetts

In addition to the universal sources above, Massachusetts entity data uses state-specific sources for its 14 counties, 351 municipalities (cities and towns), school districts, and courts.

Source URL Data Provided
Massachusetts City & Town Websites mass.gov Official website URLs for all 351 municipalities
DESE School Profiles profiles.doe.mass.edu Public school district registry with DESE codes
DESE School and District Directory doe.mass.edu District contact information and websites
MassGIS Municipality Boundaries mass.gov Authoritative boundaries for all 351 municipalities
Massachusetts Court System mass.gov District Courts, Superior Courts, Probate & Family Courts, Housing Courts
Regional Planning Agencies mass.gov 13 RPAs covering all 351 municipalities
Secretary of State — Corporations Division sec.state.ma.us Special districts and authorities from corporate registry
Bureau of Indian Affairs — Eastern Region bia.gov 2 federally recognized Massachusetts tribes

Michigan

In addition to the universal sources above, Michigan entity data uses state-specific sources for its 83 counties, 1,122 townships, and various special districts.

Source URL Data Provided
Library of Michigan Directory michigan.gov District library service areas
MDOT Transit Authority List michigan.gov Transit authority service areas
Michigan Councils of Governments michigan.gov Regional planning commissions and COGs
FAA Airport Data (5010) faa.gov Airport authority districts
Michigan Treasury Unit Directory michigan.gov Water/sewer authorities, housing authorities, and other special districts
Michigan Association of Counties New micounties.org Official website domains for all 83 Michigan counties

New Mexico New

In addition to the universal sources above, New Mexico entity data uses state-specific sources for its 33 counties and ~604 acequias (community-governed irrigation districts dating to Spanish colonial era).

Source URL Data Provided
New Mexico Office of the State Auditor osa.nm.gov 604 acequias from the official acequia registry

New York

In addition to the universal sources above, New York entity data uses state-specific sources for its 62 counties, 62 cities, 923 towns, 533 villages, ~9,500 special districts, 664 school districts, and 1,763 courts.

Source URL Data Provided
NYS GIS Clearinghouse gis.ny.gov Authoritative boundaries for counties, cities, towns, and villages
Office of the State Comptroller (OSC) osc.state.ny.us Authoritative registry of ~9,500 special districts and fire districts
NY State Education Department (NYSED) data.nysed.gov 664 school districts with BEDS codes
Department of State — Municipal Directory dos.ny.gov Incorporated municipalities with official websites
NY State Unified Court System nycourts.gov 1,763 courts: Supreme, County, Family, Surrogate's, City, and Town/Village Courts
NY Open Data — Public Authorities New data.ny.gov 672 public authorities from the Authorities Budget Office directory
NY Open Data — SUNY Campuses New data.ny.gov SUNY campus locations and institution types
NY Open Data — CUNY Colleges New data.ny.gov CUNY university campus locations

Texas

In addition to the universal sources above, Texas entity data uses state-specific sources for its 254 counties, ~1,208 school districts, ~3,350 special districts, and 24 Councils of Governments.

Source URL Data Provided
TxDOT — County Boundaries gis-txdot.opendata.arcgis.com Detailed polygon boundaries for 254 counties
Texas State Directory txdirectory.com City and town government information (published since 1935)
Texas Education Agency — PEIMS Data tea.texas.gov 1,208 school districts
Texas Comptroller — Special Purpose Districts comptroller.texas.gov ~3,350 special purpose districts (SB 625 reporting)
TCEQ Water Districts tceq.texas.gov Municipal Utility Districts, WCIDs, Special Utility Districts, River Authorities
Texas Association of Regional Councils txregionalcouncil.org 24 Councils of Governments covering all 254 counties
Texas.gov State Agency Directory texas.gov State agencies and departments
TxGIO DataHub (TNRIS) data.tnris.org Texas geographic data portal (StratMap program)
Texas Association of Counties New county.org Official website domains for all 254 Texas counties
TX Comptroller — Property Tax County Directory comptroller.texas.gov County tax assessor-collector contact information for all 254 Texas counties

Northeast

Connecticut New

In addition to the universal sources above, Connecticut data uses state-specific sources. Currently tracking 943 entities.

Source URL Data Provided
State Court System jud.ct.gov/ Superior Court (13 districts) and Probate Courts (54 districts)
Special Districts data.ct.gov/Local-Government/Special-Taxing-Dis... 339 special taxing districts
State Agency Directory portal.ct.gov/government/departments-and-agencies Official CT.gov agencies list
GIS/Open Data Portal geodata.ct.gov/ CT Geodata Portal with boundary data
Higher Education www.ct.edu/ 17 CSCU institutions
Regional Planning (COGs) portal.ct.gov/opm/igpp/org/planning-regions/pla... 9 regional COGs
Transit Authorities portal.ct.gov/dot/publictrans/bureau-of-public-... 5 CT Transit divisions
Municipal Directory portal.ct.gov/government/cities-and-towns 169 municipalities
Education Department public-edsight.ct.gov/ 207 school districts

Delaware New

In addition to the universal sources above, Delaware data uses state-specific sources. Currently tracking 401 entities.

Source URL Data Provided
State Court System courts.delaware.gov/ Superior, Family, Common Pleas, Justice of Peace courts
State Agency Directory delaware.gov/state-directory Official state directory
GIS/Open Data Portal de-firstmap-delaware.hub.arcgis.com/ DE FirstMap Hub
Higher Education www.dtcc.edu/ 8 institutions
Regional Planning (MPOs) wilmapco.org/ 3 MPOs (WILMAPCO, Dover-Kent, Salisbury)
Transit dartfirststate.com/ DART First State statewide system
Municipal Directory delaware.gov/guides/municipalities/ 57 municipalities
Education Department education.delaware.gov/ 16 school districts

Maine New

In addition to the universal sources above, Maine data uses state-specific sources. Currently tracking 1,213 entities.

Source URL Data Provided
State Court System www.courts.maine.gov/ Superior Courts (17), District Courts (13), Probate Courts (16)
State Agency Directory www.maine.gov/portal/government/state-agencies/ 14 executive departments
GIS/Open Data Portal www.maine.gov/geolib/ Maine GeoLibrary
Higher Education www.mccs.me.edu/ U Maine System (7 campuses), 7 community colleges
Regional Planning (MPOs) smpdc.org/kacts 4 MPOs (ATRC, BACTS, KACTS, PACTS)
Municipal Directory www.maine.gov/portal/online_services/categories... 482 municipalities
Education Department www.maine.gov/doe/contact 52 School Administrative Districts

Maryland New

In addition to the universal sources above, Maryland data uses state-specific sources. Currently tracking 633 entities.

Source URL Data Provided
State Court System www.mdcourts.gov/ 24 Circuit Courts, 12 District Courts, 24 Orphans' Courts
State Agency Directory www.maryland.gov/pages/agency_directory.aspx Official state agency directory
GIS/Open Data Portal imap.maryland.gov/ MD iMAP Portal with 1,000+ services
Higher Education mhec.maryland.gov/institutions_training/Pages/c... 13 public universities, 16 community colleges
Regional Planning (MPOs) roads.maryland.gov/mdotsha/pages/index.aspx?Pag... 7 MPOs
Transit www.mta.maryland.gov/ MTA plus 23 locally operated systems
Municipal Directory msa.maryland.gov/msa/mdmanual/01glance/html/mun... 157 municipalities
Education Department www.marylandpublicschools.org/ 24 school districts

New Hampshire New

In addition to the universal sources above, New Hampshire data uses state-specific sources. Currently tracking 716 entities.

Source URL Data Provided
State Court System www.courts.nh.gov/ 11 Superior Court and 34 Circuit Court locations
State Agency Directory www.nh.gov/government/state-government-agencies Comprehensive state agencies
GIS/Open Data Portal www.nhgeodata.unh.edu/ NH GRANIT at UNH
Higher Education www.ccsnh.edu/ CCSNH (7 colleges), USNH (4 universities)
Regional Planning www.nharpc.org/ 9 regional planning commissions
Municipal Directory www.nhmunicipal.org/ 234 municipalities
Education Department www.education.nh.gov/ School Administrative Units

New Jersey New

In addition to the universal sources above, New Jersey data uses state-specific sources. Currently tracking 1,948 entities.

Source URL Data Provided
State Court System www.njcourts.gov/ Superior Court in 21 counties (15 vicinages)
State Agency Directory www.nj.gov/nj/gov/deptserv/ Complete department directory
GIS/Open Data Portal njogis-newjersey.opendata.arcgis.com/ NJGIN Open Data
Higher Education www.njcommunitycolleges.org/ 18 community colleges
Regional Planning (MPOs) www.njtpa.org/ 3 MPOs (NJTPA, DVRPC, SJTPO)
Transit www.njtransit.com/ NJ Transit, PATH, PATCO
Municipal Directory www.nj.gov/nj/gov/direct/municipality.shtml 566 municipalities
Education Department homeroom6.doe.state.nj.us/directory/ 687 school districts
New Jersey Association of Counties (NJAC) New njac.org Official website domains for all 21 New Jersey counties

Pennsylvania New

In addition to the universal sources above, Pennsylvania data uses state-specific sources. Currently tracking 6,612 entities.

Source URL Data Provided
State Court System www.pacourts.us/ 60 Courts of Common Pleas, 500+ magisterial courts
State Agency Directory www.pa.gov/agencies/ Commonwealth agencies directory
GIS/Open Data Portal www.pasda.psu.edu/ PASDA (Penn State, since 1995)
Higher Education www.passhe.edu/ PASSHE (10 universities), 15 community colleges
Regional Planning (COGs) pacog.com/ PA Association of COGs; multiple MPOs
Transit www.septa.org/ SEPTA (Philadelphia), Pittsburgh Regional Transit
Municipal Directory dced.pa.gov/local-government/municipal-statisti... 2,555 municipalities
Education Department www.education.pa.gov/ 500 public school districts
County Commissioners Association of Pennsylvania (CCAP) New pacounties.org Official website domains for all 67 Pennsylvania counties

Rhode Island New

In addition to the universal sources above, Rhode Island data uses state-specific sources. Currently tracking 242 entities.

Source URL Data Provided
State Court System www.courts.ri.gov/ Superior, District, Family, Workers' Comp courts
Special Districts ripec.org/special-districts-in-rhode-island/ 91 special districts including 44 fire districts
State Agency Directory www.ri.gov/guide/ A-Z agency directory
GIS/Open Data Portal www.rigis.org/ RIGIS consortium
Transit www.ripta.com/ RIPTA covering 37 of 39 municipalities
Municipal Directory www.ri.gov/towns/ 39 municipalities
Education Department ride.ri.gov/ 66 LEAs

Vermont New

In addition to the universal sources above, Vermont data uses state-specific sources. Currently tracking 744 entities.

Source URL Data Provided
State Court System www.vermontjudiciary.org/ Superior Court in 14 counties
State Agency Directory www.vermont.gov/government/agency-a-z Official directory
GIS/Open Data Portal geodata.vermont.gov/ Vermont Center for Geographic Information
Higher Education www.vsc.edu/ Vermont State Colleges System
Regional Planning www.vapda.org/ 11 Regional Planning Commissions
Municipal Directory www.vermont.gov/towns-and-Cities 247 municipalities
Education Department education.vermont.gov/vermont-schools Education dashboard

District of Columbia New

In addition to the universal sources above, District of Columbia data uses state-specific sources. Currently tracking 97 entities.

Source URL Data Provided
Court System www.dccourts.gov/ Superior Court and Court of Appeals
Agency Directory dc.gov/page/agency-list Agency list under 5 Deputy Mayors
Open Data Portal opendata.dc.gov/ DC Open Data with ArcGIS services
Higher Education www.udc.edu/ UDC (only public university)
Transit www.wmata.com/ WMATA (Metro/Bus), DC Streetcar
Housing Authority www.dchousing.org/ DC Housing Authority

Southeast

Alabama New

In addition to the universal sources above, Alabama data uses state-specific sources. Currently tracking 2,219 entities.

Source URL Data Provided
State Court System judicial.alabama.gov/ 67 Circuit Courts across 41 judicial circuits
State Agency Directory inform.alabama.gov/agencies Inform Alabama directory
GIS/Open Data Portal data-algeohub.opendata.arcgis.com/ Alabama GeoHub
Higher Education www.ache.edu/ 60 institutions
Regional Planning alarc.org/the-councils/ 12 Regional Councils; 7 MPOs
Transit www.altrans.org/transit-directory ALTRANS transit directory
Municipal Directory alm.imiscloud.com/ALALM/ALALM/About/ALM-Municip... 462 cities
Education Department www.alabamaachieves.org/al-ppsl/ 168 school districts
Housing Authorities www.aahra.org/hadirectory 100+ housing authorities

Arkansas New

In addition to the universal sources above, Arkansas data uses state-specific sources. Currently tracking 3,786 entities.

Source URL Data Provided
State Court System arcourts.gov/ Supreme Court, Appeals, Circuit, District Courts
State Agency Directory portal.arkansas.gov/agencies/ 15 cabinet-level departments
GIS/Open Data Portal gis.arkansas.gov/ Arkansas GIS Office
Higher Education adhe.edu/ 21 community/technical colleges
Regional Planning arkansaseconomicregions.org/districts/ 8 Planning Districts, 8 MPOs
Municipal Directory www.local.arkansas.gov/index.php/ 502 municipalities
Education Department adedata.arkansas.gov/spd/Home/districts School Personnel Directory

Georgia New

In addition to the universal sources above, Georgia data uses state-specific sources. Currently tracking 3,480 entities.

Source URL Data Provided
State Court System georgiacourts.gov/ 159 Superior Courts within 49 judicial circuits
State Agency Directory georgia.gov/state-organizations State Organizations directory
GIS/Open Data Portal data-hub.gio.georgia.gov/ Georgia GIO Data Hub
Higher Education www.usg.edu/ 26 USG institutions
Regional Planning garc.ga.gov/ 12 Regional Commissions; 15 MPOs
Municipal Directory www.gacities.com/Directories/Member-Cities.aspx 536 cities
Education Department gadoe.org/ 181 school districts
Association County Commissioners of Georgia (ACCG) New accg.org Official website domains for all 159 Georgia counties

Kentucky New

In addition to the universal sources above, Kentucky data uses state-specific sources. Currently tracking 2,432 entities.

Source URL Data Provided
State Court System kycourts.gov/ Four-tiered system in all 120 counties
Special Districts kydlgweb.ky.gov/Entities/SpecDistHome.cfm KY Dept for Local Government registry
State Agency Directory www.kentucky.gov/government/pages/agency.aspx 11 cabinet secretaries
GIS/Open Data Portal opengisdata.ky.gov/ KyGovMaps Open Data Portal
Higher Education kctcs.edu/ KCTCS (16 colleges, 70+ locations)
Regional Planning dlg.ky.gov/grants/state/add/Pages/default.aspx 15 Area Development Districts; 10 MPOs
Transit transportation.ky.gov/TransportationDelivery/Pa... 23 transit systems
Municipal Directory kydlgweb.ky.gov/Cities/16_CityHome.cfm City information
Education Department www.education.ky.gov/comm/schdist/Pages/default... 171 districts

Louisiana New

In addition to the universal sources above, Louisiana data uses state-specific sources. Currently tracking 1,302 entities.

Source URL Data Provided
State Court System www.lasc.org/ 5 courts of appeal, 43 district courts, 48 city courts
Special Districts app.lla.la.gov/reports-data/ Legislative Auditor; 428+ entities
State Agency Directory www.louisiana.gov/government/agency-directory/ Official directory
GIS/Open Data Portal atlas.ga.lsu.edu/ Atlas (LSU) statewide GIS
Higher Education www.laregents.edu/institutions/ 30 public institutions
Transit www.dotd.louisiana.gov/about/office-of-project-... 60+ providers
Municipal Directory www.lma.org/ 304 cities/towns in 60 parishes
Education Department louisianaschools.com/ Parish-based school districts

Mississippi New

In addition to the universal sources above, Mississippi data uses state-specific sources. Currently tracking 1,966 entities.

Source URL Data Provided
State Court System courts.ms.gov/ 23 Circuit Court districts, 24 County Courts
State Agency Directory www.mississippi.gov/agency-directory Official A-Z directory
GIS/Open Data Portal opendata.gis.ms.gov/ MS Geospatial Data Catalog
Higher Education www.mccb.edu/colleges 8 public universities, 15 community colleges
Regional Planning mspdds.org/ 10 Planning and Development Districts
Municipal Directory www.mmlonline.com/ 300 municipalities
Education Department mdek12.org/dd/ District directory

North Carolina New

In addition to the universal sources above, North Carolina data uses state-specific sources. Currently tracking 1,977 entities.

Source URL Data Provided
State Court System www.nccourts.gov/ Superior Court and District Court divisions
State Agency Directory www.nc.gov/your-government/state-organizations A to Z organizations
GIS/Open Data Portal www.nconemap.gov/ NC OneMap
Higher Education www.nccommunitycolleges.edu/ 17 UNC institutions, 58 community colleges
Regional Planning ncarcog.org/regional-councils/ 16 COGs; 19 MPOs
Transit www.ncdot.gov/divisions/integrated-mobility/pub... 98 transit systems
Municipal Directory www.nclm.org/about-us/municipal-directory/ NC League of Municipalities
Education Department www.dpi.nc.gov/about-dpi/education-directory 115 districts, 2,500+ schools
NC.gov — County Government Websites New nc.gov Official website domains for all 100 North Carolina counties

South Carolina New

In addition to the universal sources above, South Carolina data uses state-specific sources. Currently tracking 1,361 entities.

Source URL Data Provided
State Court System www.sccourts.org/ Circuit Court, Family Court, Probate, Magistrate
Special Districts sos.sc.gov/services-and-filings/municipalities/... SOS special purpose districts registry
State Agency Directory sc.gov/government/getting-know-your-government/... Official listing
GIS/Open Data Portal www.gis.sc.gov/data.html SC GIS central clearinghouse
Higher Education www.sctechsystem.edu/ 33 public institutions
Regional Planning sccogs.org/ 10 COGs
Municipal Directory www.masc.sc/publications/municipal-online-direc... 271 municipalities
Education Department ed.sc.gov/districts-schools/schools/school-dire... Searchable directory

Tennessee New

In addition to the universal sources above, Tennessee data uses state-specific sources. Currently tracking 2,342 entities.

Source URL Data Provided
State Court System www.tncourts.gov/ 142 trial court judges in 32 judicial districts
Special Districts comptroller.tn.gov/office-functions/la.html Comptroller; 451 special districts
State Agency Directory www.tn.gov/directory.html Comprehensive directory
GIS/Open Data Portal tn-tnmap.opendata.arcgis.com/ TNMap and TNGIS Clearinghouse
Higher Education www.tbr.edu/ TBR (13 community, 24 tech colleges)
Municipal Directory www.mtas.tennessee.edu/cities_websites 346 municipalities
Education Department tnschooldirectory.tnedu.gov/ 147 public school districts

Virginia New

In addition to the universal sources above, Virginia data uses state-specific sources. Currently tracking 1,914 entities.

Source URL Data Provided
State Court System www.vacourts.gov/ 120 Circuit Courts in 31 circuits
State Agency Directory www.virginia.gov/agencies/ Official directory
GIS/Open Data Portal vgin.vdem.virginia.gov/ VGIN; boundaries updated quarterly
Higher Education www.schev.edu/ 81 colleges/universities
Regional Planning www.vapdc.org/ 21 Planning District Commissions
Transit drpt.virginia.gov/ DRPT; 13 fare-free systems
Municipal Directory www.vml.org/ 96 counties, 40 cities, 118 towns
Education Department www.doe.virginia.gov/ 217 school divisions
Virginia Association of Counties (VACo) New vaco.org Official website domains for 95 Virginia counties

West Virginia New

In addition to the universal sources above, West Virginia data uses state-specific sources. Currently tracking 1,257 entities.

Source URL Data Provided
State Court System www.courtswv.gov/ Circuit Courts, Family Courts, 169 Magistrate Courts
State Agency Directory www.wv.gov/agencies/Pages/default.aspx State directory
GIS/Open Data Portal wvgis.wvu.edu/ WV GIS Technical Center
Higher Education www.wvhepc.edu/ 37 institutions
Regional Planning www.wvregionalcouncils.com/ 11 Regional PDCs covering 55 counties
Transit transportation.wv.gov/publictransit/Pages/defau... 18 transit systems
Municipal Directory www.wvml.org/about/member-cities 232 municipalities
Education Department wvde.us/ 55 school districts (one per county)

Midwest

Illinois New

In addition to the universal sources above, Illinois data uses state-specific sources. Currently tracking 7,679 entities.

Source URL Data Provided
State Court System www.illinoiscourts.gov/ 24 judicial circuits covering 102 counties
Special Districts illinoiscomptroller.gov/constituent-services/lo... 3,218 special districts
State Agency Directory www.illinois.gov/services/service.find-state-ag... State agency search
GIS/Open Data Portal clearinghouse.isgs.illinois.edu/ IL Geospatial Data Clearinghouse
Higher Education www.ibhe.org/ 9 public universities, 48 community colleges
Regional Planning ilarconline.org/ IL Association of Regional Councils
Transit idot.illinois.gov/programs-and-projects/transit... CTA (2nd largest), Metra, Pace
Municipal Directory apps.ilsos.gov/isa/localgovnameindexsrch.jsp 1,300 municipalities
Education Department www.isbe.net/ 851 public school districts
Illinois Association of County Board Members New ilcounty.org Official website domains for 88 of 102 Illinois counties

Indiana New

In addition to the universal sources above, Indiana data uses state-specific sources. Currently tracking 3,653 entities.

Source URL Data Provided
State Court System www.in.gov/judiciary/ 315 judges across 92 counties
Special Districts www.in.gov/sboa/political-subdivisions/special-... 696 special districts
State Agency Directory www.in.gov/core/find_agency.html Agency finder
GIS/Open Data Portal gis-indianamap.opendata.arcgis.com/ IndianaMap (30+ TB)
Transit www.in.gov/indot/multimodal/transit/ 63 transit systems
Municipal Directory www.in.gov/cities/ 569 municipalities
Education Department www.in.gov/doe/ School districts with interactive maps

Iowa New

In addition to the universal sources above, Iowa data uses state-specific sources. Currently tracking 3,346 entities.

Source URL Data Provided
State Court System www.iowacourts.gov/ 8 judicial districts
State Agency Directory directory.iowa.gov/ Iowa Directory Services
GIS/Open Data Portal geodata.iowa.gov/ Iowa Geospatial Data Clearinghouse
Higher Education www.iowaregents.edu/ 3 public universities, 15 community colleges
Regional Planning (COGs) www.iowacog.com/ Iowa Association of COGs covering 99 counties
Transit iowadot.gov/modes-travel/transit 19 urban + 16 regional systems
Municipal Directory www.iowa.gov/local-government 940 cities/towns
Education Department educate.iowa.gov/ District directory with maps

Kansas New

In addition to the universal sources above, Kansas data uses state-specific sources. Currently tracking 5,321 entities.

Source URL Data Provided
State Court System kscourts.gov/ 105 District Courts
State Agency Directory portal.kansas.gov/government/agency-list/ Executive branch directory
GIS/Open Data Portal hub.kansasgis.org/ Kansas DASC
Higher Education www.kansasregents.gov/ 6 state universities, 19 community colleges
Municipal Directory kacm.us/page/city-websites 627 municipalities
Education Department www.ksde.gov/Home/Quick-Links/Directories/Kansa... District boundary map

Minnesota New

In addition to the universal sources above, Minnesota data uses state-specific sources. Currently tracking 4,364 entities.

Source URL Data Provided
State Court System mncourts.gov/ District Courts, Appeals, Supreme Court
Special Districts www.auditor.state.mn.us/reports-data-analysis/l... 4,300 entities
State Agency Directory mn.gov/portal/government/state/agencies-boards-... Full directory
GIS/Open Data Portal gisdata.mn.gov/ Minnesota Geospatial Commons
Higher Education www.minnstate.edu/ 33 colleges/universities, 54 campuses
Regional Planning www.dot.state.mn.us/planning/program/mpordcatp.... 8 MPOs, 12 RDOs
Transit www.dot.state.mn.us/transit/find-your-transit-p... Metro Transit and regional
Municipal Directory www.lmc.org/news-publications/publications/city... 856 cities
Education Department public.education.mn.gov/MdeOrgView/districts/index MDE-ORG database

Missouri New

In addition to the universal sources above, Missouri data uses state-specific sources. Currently tracking 6,822 entities.

Source URL Data Provided
State Court System www.courts.mo.gov/ Supreme Court, Appeals, Circuit Courts
Special Districts auditor.mo.gov/ 6,000 special taxing districts
State Agency Directory www.mo.gov/search-results?mode=state_agencies State agencies
GIS/Open Data Portal data-msdis.opendata.arcgis.com/ MSDIS (U Missouri)
Higher Education dhewd.mo.gov/mo-higher-education-institutions 67 institutions
Regional Planning macog.org/ 19 RPCs/COGs, 9 MPOs
Transit www.modot.org/transit-general-information 34 providers; OATS (87 counties)
Municipal Directory www.mocities.com/ 670+ municipalities
Education Department dese.mo.gov/directory DESE with weekly data refreshes

Nebraska New

In addition to the universal sources above, Nebraska data uses state-specific sources. Currently tracking 3,441 entities.

Source URL Data Provided
State Court System nebraskajudicial.gov/ District/County Courts in 93 counties
Special Districts (NRDs) www.nrdnet.org/nrds 23 Natural Resources Districts
State Agency Directory www.nebraska.gov/agencies/ Complete directory
GIS/Open Data Portal www.nebraskamap.gov/ NebraskaMap GIS Open Data Hub
Higher Education ccpe.nebraska.gov/directory-postsecondary-insti... University of Nebraska system, 6 community colleges
Transit dot.nebraska.gov/public-transit/ 3 urban systems, all 93 counties covered
Municipal Directory www.lonm.org/ 500+ cities/villages
Education Department educdirsrc.education.ne.gov/ Electronic school directory

North Dakota New

In addition to the universal sources above, North Dakota data uses state-specific sources. Currently tracking 3,317 entities.

Source URL Data Provided
State Court System www.ndcourts.gov/ 7 judicial circuits, 55 judges across 53 counties
State Agency Directory www.nd.gov/government/state-government/agency-a... 16 departments
GIS/Open Data Portal gishubdata-ndgov.hub.arcgis.com/ ND GIS Hub
Higher Education ndus.edu/institutions/ 11 institutions
Regional Planning www.ndassociationofregionalcouncils.com/ 8 regional councils; 4 MPOs
Transit www.dot.nd.gov/travel-and-safety/traveling-nort... 31 rural and urban systems
Municipal Directory www.nd.gov/government/local-government/city-web... 357 cities
Education Department www.nd.gov/dpi/districtsschools 175 school districts

Ohio New

In addition to the universal sources above, Ohio data uses state-specific sources. Currently tracking 5,205 entities.

Source URL Data Provided
State Court System www.supremecourt.ohio.gov/ 88 Courts of Common Pleas
Special Districts ohioauditor.gov/local/cog/CogListing.aspx Auditor oversees 5,900+ entities
State Agency Directory ohio.gov/government/state-agencies State agencies
GIS/Open Data Portal ogrip-geohio.opendata.arcgis.com/ OGRIP geospatial data
Higher Education www.ohiohighered.org/campuses/map 14 research universities, 23 community colleges
Regional Planning www.regionalcouncils.org/ MORPC, MVRPC, multiple RTPOs
Transit www.dot.state.oh.us/Divisions/Planning/Transit/... 63 agencies
Municipal Directory ohioroster.ohiosos.gov/muni_townships.aspx 253 cities, 673 villages
Education Department oeds.ode.state.oh.us/searchorg 613 school districts

South Dakota New

In addition to the universal sources above, South Dakota data uses state-specific sources. Currently tracking 2,632 entities.

Source URL Data Provided
State Court System ujs.sd.gov/ 7 judicial circuits
State Agency Directory sd.gov/government.aspx Constitutional officers and departments
GIS/Open Data Portal opendata2017-09-18t192802468z-sdbit.opendata.ar... SD Open Data
Higher Education sdbor.edu/our-schools/ 6 public universities, 4 technical institutes
Regional Planning (MPOs) dot.sd.gov/projects-studies/planning/metropolit... 3 MPOs
Transit dot.sd.gov/transportation/public-transit/provid... Dakota Transit Association
Municipal Directory sdmunicipalleague.org/ 310 municipalities
Education Department doe.sd.gov/ofm/edudir.aspx 145 school districts

Wisconsin New

In addition to the universal sources above, Wisconsin data uses state-specific sources. Currently tracking 5,192 entities.

Source URL Data Provided
State Court System www.wicourts.gov/ 261 circuit court judges in 72 counties
State Agency Directory www.wisconsin.gov/pages/allagencies.aspx Alphabetized directory
GIS/Open Data Portal geodata.wisc.edu/ GeoData@Wisconsin
Higher Education www.wisconsin.edu/campuses/ 13 UW universities; 16 technical colleges
Regional Planning www.awrpc.org/ 9 RPCs
Transit wipta.org/ Wisconsin Public Transportation Association
Municipal Directory lwm-info.org/1236/Directory-of-Cities-Villages 190 cities, 415 villages
Education Department dpi.wi.gov/schooldirectory/public 421 school districts

West & Mountain

Alaska New

In addition to the universal sources above, Alaska data uses state-specific sources. Currently tracking 398 entities.

Source URL Data Provided
State Court System courts.alaska.gov/ Trial courts in multiple judicial districts
State Agency Directory www.alaska.gov/akdir1.html Comprehensive listing
GIS/Open Data Portal gis.data.alaska.gov/ Boundary data and geospatial datasets
Higher Education acpe.alaska.gov/Alaska-Postsecondary-Institutions 3 universities, 7 community colleges
Regional Planning www.commerce.alaska.gov/web/dcra/ARDORs.aspx 3 MPOs and 10 ARDORs
Transit dot.alaska.gov/transit/ Alaska Community Transit
Municipal Directory www.akml.org/about/municipalities/ Alaska Municipal League
Education Department education.alaska.gov/ 54 school districts

Arizona New

In addition to the universal sources above, Arizona data uses state-specific sources. Currently tracking 898 entities.

Source URL Data Provided
State Court System www.azcourts.gov/ Superior Courts in 15 counties
Special Districts www.azdistrictsalliance.org/ 350+ special districts
State Agency Directory azdirect.az.gov/agencies AZ Direct searchable directory
GIS/Open Data Portal azgeo-data-hub-agic.hub.arcgis.com/ AZGeo Data Hub
Higher Education arizonacommunitycolleges.org/ 3 universities, 21 community college districts
Regional Planning azdot.gov/planning/transportation-planning/tma-... 4 COGs, MAG, PAG
Transit www.azta.org/ Valley Metro (Phoenix), Sun Tran (Tucson)
Education Department www.azed.gov/ 656 districts

Colorado New

In addition to the universal sources above, Colorado data uses state-specific sources. Currently tracking 4,532 entities.

Source URL Data Provided
State Court System www.coloradojudicial.gov/ 22 judicial districts covering 64 counties
Special Districts dlg.colorado.gov/special-districts DLG interactive map; thousands of districts
State Agency Directory co.colorado.gov/contacts-search Searchable contacts
GIS/Open Data Portal geodata.colorado.gov/ Colorado Geospatial Portal
Higher Education cccs.edu/ 13 community colleges; CU/CSU systems
Regional Planning www.codot.gov/programs/planning/planning-partne... 10 RPCs, 5 MPOs
Transit coloradotransit.com/ CASTA; 71+ agencies; RTD Denver
Municipal Directory www.cml.org/utility-pages/cml-member-directory 271 cities/towns
Education Department www.cde.state.co.us/ 179 school districts

Hawaii New

In addition to the universal sources above, Hawaii data uses state-specific sources. Currently tracking 85 entities.

Source URL Data Provided
State Court System www.courts.state.hi.us/ Unified system with 4 judicial circuits
State Agency Directory portal.ehawaii.gov/government/departments-and-a... 18 principal departments
GIS/Open Data Portal geoportal.hawaii.gov/ Hawaii Statewide GIS Program
Higher Education uhcc.hawaii.edu/ UH System: 3 universities, 7 community colleges
Transit honolulutransit.org/ HART rail, TheBus; Hele-On Bus
Education Department hawaiipublicschools.org/ Single statewide district

Idaho New

In addition to the universal sources above, Idaho data uses state-specific sources. Currently tracking 1,573 entities.

Source URL Data Provided
State Court System isc.idaho.gov/ 7 judicial districts
State Agency Directory idaho.gov/government/ Official state portal
GIS/Open Data Portal data.gis.idaho.gov/ INSIDE Idaho
Higher Education boardofed.idaho.gov/ 4 public universities, 4 community colleges
Transit www.apta.com/research-technical-resources/publi... 75+ agencies; Valley Regional Transit
Municipal Directory idahocities.org/page/Cities 197 incorporated cities
Education Department www.sde.idaho.gov/ 115 school districts

Montana New

In addition to the universal sources above, Montana data uses state-specific sources. Currently tracking 1,816 entities.

Source URL Data Provided
State Court System courts.mt.gov/ 7 judicial districts
State Agency Directory directory.mt.gov/ Official state directory
GIS/Open Data Portal msl.mt.gov/geoinfo/data/ Montana State Library MSDI
Higher Education www.mus.edu/ Montana University System; 16 colleges
Transit www.mdt.mt.gov/publictransit/ Fixed-route in 7 cities
Municipal Directory mtleague.org/about/municipal-directory 129 municipalities
Education Department opi.mt.gov/ 408 school districts

Nevada New

In addition to the universal sources above, Nevada data uses state-specific sources. Currently tracking 393 entities.

Source URL Data Provided
State Court System nvcourts.gov/ Supreme, Appeals, District, Justice, Municipal courts
State Agency Directory nv.gov/agencies Main portal
GIS/Open Data Portal ndep.nv.gov/land/land-gis-map-resources/gis-dow... NDEP Open Data
Higher Education nshe.nevada.edu/ NSHE: 8 institutions
Regional Planning (MPOs) www.rtcsnv.com/ 4 MPOs
Transit www.dot.nv.gov/mobility/transit RTC Southern Nevada, RTC Washoe
Municipal Directory nvleague.com/member-municipalities/ 19 incorporated cities
Education Department doe.nv.gov/ 17 school districts

Oklahoma New

In addition to the universal sources above, Oklahoma data uses state-specific sources. Currently tracking 2,766 entities.

Source URL Data Provided
State Court System www.oscn.net/ 77 district courts; dual appellate system
State Agency Directory oklahoma.gov/stateagency.html 200 agencies
GIS/Open Data Portal okmaps.org/ OKMaps GIS Data Clearinghouse
Higher Education okhighered.org/state-system/colleges-universiti... 18 universities, 13 state colleges
Regional Planning www.oarcok.com/ 11 COGs serving all 77 counties
Transit www.oktransit.org/ EMBARK (OKC), MetroLink (Tulsa)
Municipal Directory www.oml.org/ 597 municipalities
Education Department sde.ok.gov/ 509 school districts

Oregon New

In addition to the universal sources above, Oregon data uses state-specific sources. Currently tracking 2,135 entities.

Source URL Data Provided
State Court System www.courts.oregon.gov/ Supreme, Tax, Appeals, Circuit courts
Special Districts www.sdao.com/ 950+ special districts; 28 authorized types
State Agency Directory www.oregon.gov/pages/agencies.aspx Official portal
GIS/Open Data Portal geohub.oregon.gov/ Oregon GEOHub
Higher Education www.oregon.gov/highered/access/pages/community-... 7 universities, 17 community colleges
Regional Planning www.lcog-or.gov/ Multiple COGs (LCOG, RVCOG, MCCOG)
Transit www.oregontransit.com/ TriMet, Lane Transit District, Cherriots
Municipal Directory www.orcities.org/resources/reference/city-direc... 241 cities
Education Department www.oregon.gov/ode/ 197 school districts
Port Districts www.oregonports.com/oregon-ports 23 port districts
Oregon Secretary of State Blue Book New sos.oregon.gov Official website domains for all 36 Oregon counties

Utah New

In addition to the universal sources above, Utah data uses state-specific sources. Currently tracking 1,077 entities.

Source URL Data Provided
State Court System www.utcourts.gov/ 8 judicial districts covering 29 counties
State Agency Directory www.utah.gov/government/agencylist.html Complete listing
GIS/Open Data Portal opendata.gis.utah.gov/ UGRC SGID portal
Higher Education ushe.edu/ 16 public institutions
Regional Planning wfrc.utah.gov/ WFRC, MAG, Six County AOG
Transit www.rideuta.com/ UTA and 6 regional transit agencies
Municipal Directory www.ulct.utah.gov/utahs-cities-and-towns/ 255 municipalities
Education Department schools.utah.gov/ 41 school districts

Washington New

In addition to the universal sources above, Washington data uses state-specific sources. Currently tracking 2,631 entities.

Source URL Data Provided
State Court System www.courts.wa.gov/ Unified system; directory updated 02/2026
Special Districts sao.wa.gov/ 1,800+ special purpose districts
State Agency Directory wa.gov/agency 190+ agencies
GIS/Open Data Portal geo.wa.gov/ WA Geospatial Open Data Portal
Higher Education wsac.wa.gov/colleges-and-institutions-washington 6 public universities, 46 community colleges
Transit wsdot.wa.gov/business-wsdot/grants/public-trans... 30+ systems
Municipal Directory mrsc.org/research-tools/washington-city-and-tow... 281 cities/towns
Education Department ospi.k12.wa.us/ 295 school districts
Port Districts www.washingtonports.org/ 75 public ports
Washington State Association of Counties (WSAC) New wsac.org Official website domains for all 39 Washington counties

Wyoming New

In addition to the universal sources above, Wyoming data uses state-specific sources. Currently tracking 1,100 entities.

Source URL Data Provided
State Court System www.wyocourts.gov/ Supreme, District, Circuit, Municipal courts
Special Districts audit.wyo.gov/public-funds/audits/special-distr... 650+ districts (27 types)
State Agency Directory www.wyo.gov/state-government/agencies Directory portal
GIS/Open Data Portal data.geospatialhub.org/ Wyoming GeoHub
Higher Education communitycolleges.wy.edu/ 1 public university, 7 community colleges
Transit dot.state.wy.us/home/planning_projects/transpor... All 23 counties covered
Municipal Directory wyomuni.org/about/membership-directory/ 99 municipalities
Education Department edu.wyoming.gov/ 57 school districts

Territories

Puerto Rico New

In addition to the universal sources above, Puerto Rico data uses state-specific sources. Currently tracking 113 entities.

Source URL Data Provided
Court System poderjudicial.pr/eng/ 93 courts
Agency Directory pr.gov/gobierno-2/agencias 15 executive departments
GIS Portal recuperacion.pr.gov/en/puerto-rico-geospatial-f... GeoFrame Program
Higher Education www.uprrp.edu/english/ UPR system (11 campuses)
Transit www.ati.pr.gov/ Autoridad de Transporte Integrado
Public Authorities www.acueductos.pr.gov/en-us PRASA (water), PRPA (ports), PREPA (power)

Guam New

In addition to the universal sources above, Guam data uses state-specific sources. Currently tracking 26 entities.

Source URL Data Provided
Court System www.guamcourts.gov/ Supreme Court and Superior Court
Agency Directory www.guam.gov/gov-guam-directory/ Comprehensive directory
GIS Portal bsp.guam.gov/gis/ Bureau of Statistics and Plans
Higher Education www.uog.edu/ University of Guam
Transit grta.guam.gov/ GRTA with 9 fixed routes

US Virgin Islands New

In addition to the universal sources above, US Virgin Islands data uses state-specific sources. Currently tracking 56 entities.

Source URL Data Provided
Court System www.vicourts.org/ Superior Court and Supreme Court
Agency Directory www.vi.gov/agencies/ Departments and autonomous agencies
Higher Education www.uvi.edu/ UVI with 2 campuses
Transit dpw.vi.gov/about-vitran/ VITRAN with 9 routes
Public Authorities www.viwapa.vi/ WAPA, Port Authority, Housing Finance

American Samoa New

In addition to the universal sources above, American Samoa data uses state-specific sources. Currently tracking 15 entities.

Source URL Data Provided
Court System www.americansamoa.gov/judicial-branch High Court, District Court, Village Courts
Agency Directory www.americansamoa.gov/directors Directors page
GIS Portal maps-asgis.opendata.arcgis.com/ AS GIS portal
Higher Education www.amsamoa.edu/ ASCC (single institution)
Transit asgpublicworks.as/transit_division Aiga buses, ferries

Northern Mariana Islands New

In addition to the universal sources above, Northern Mariana Islands data uses state-specific sources. Currently tracking 13 entities.

Source URL Data Provided
Court System www.nmijudiciary.gov/ Supreme Court and Superior Court
Agency Directory opd.gov.mp/directory.html CNMI government directory
Higher Education www.marianas.edu/ Northern Marianas College
Education Department www.cnmipss.org/ Single unified district