Washington DC in 17 US datasets from named public sources, ranked against the other states by count and per person. Every row links to Washington DC's own map, which you can embed, and a CSV.
| Dataset | DC | Share of US | Rank | Per person | |
|---|---|---|---|---|---|
| Licensed cannabis dispensaries State cannabis regulators’ licence lists, September–October 2026 | 77 | 1% | #16 | #5 | CSV |
| Military installations DoD Military Installations, Ranges and Training Areas, 2026 | 4 | 0.5% | #48 | #11 | CSV |
| Solar farms U.S. Large-Scale Solar Photovoltaic Database v4.0, 2026 | 14 | 0.2% | #41 | #19 | CSV |
| Amtrak stations Amtrak Stations, National Transportation Atlas Database, October 2026 | 1 | 0.2% | #46 | #32 | CSV |
| Heliports FAA airport data, 2026 | 11 | 0.2% | #50 | #34 | CSV |
| Superfund sites EPA National Priorities List, September 2026 | 1 | 0.1% | #49 | #48 | CSV |
| Prisons and jails HIFLD Prison Boundaries, 2025 | 3 | 0.1% | #51 | #50 | CSV |
| Tornadoes NOAA Storm Prediction Center Severe Weather Database, 1950–2025, Through 2025 | 3 | 0% | #51 | #51 | CSV |
| Licensed gun dealers ATF Federal Firearms Listings, May 2026 | 3 | 0% | #51 | #51 | CSV |
| Golf courses OpenStreetMap, October 2026 | 7 | 0% | #51 | #51 | CSV |
| Wind turbines U.S. Wind Turbine Database v9.1, September 2026 | 0 | – | – | – | |
| Coal plants still running EIA-860M Preliminary Monthly Electric Generator Inventory, August 2026 | 0 | – | – | – | |
| Critical access hospitals Centers for Medicare & Medicaid Services, July 2026 | 0 | – | – | – | |
| Ski areas OpenSkiMap, October 2026 | 0 | – | – | – | |
| Closed Joann stores AllThePlaces, January 2025 (before the closures) | 0 | – | – | – | |
| Closed Rite Aid stores AllThePlaces, January 2025 (before the closures) | 0 | – | – | – | |
| Closed Big Lots stores AllThePlaces, June 2025 | 0 | – | – | – |
Rank is out of 51 (the 50 states and DC). Per person uses US Census Bureau 2024 population estimates.
Name the source in the row and add "mapped by InstaMaps", with a link to the page you used. Each source's licence and caveats are on its map page. Questions, or a county or radius cut: gbade@get-instamaps.com.