17 datasets from named public sources: federal registries, state regulators and open data. For every state: the number, a map you can embed, and a CSV. Free to cite with a link.
Most: Texas (19,943, 25.7% of the US). Most per person: North Dakota (293.01 per 100,000).
Source: U.S. Wind Turbine Database v9.1 (USGS, Lawrence Berkeley National Laboratory, American Clean Power), September 2026.
Most: California (893, 13.5% of the US). Most per person: Maine (9.96 per 100,000).
Source: U.S. Large-Scale Solar Photovoltaic Database v4.0 (USGS, Lawrence Berkeley National Laboratory), 2026.
Most: Pennsylvania (13, 6.3% of the US). Most per person: Wyoming (2.04 per 100,000).
Source: EIA-860M Preliminary Monthly Electric Generator Inventory (U.S. Energy Information Administration), August 2026.
Most: Texas (9,610, 13.1% of the US). Most per person: North Dakota (218.06 per 100,000).
Source: NOAA Storm Prediction Center Severe Weather Database, 1950–2025, Through 2025.
Most: New Jersey (115, 8.7% of the US). Most per person: Vermont (1.7 per 100,000).
Source: EPA National Priorities List, September 2026.
Most: Texas (449, 9.1% of the US). Most per person: Montana (5.36 per 100,000).
Source: HIFLD Prison Boundaries (U.S. Department of Homeland Security), final release, 2025.
Most: Texas (5,199, 10.2% of the US). Most per person: Wyoming (83.56 per 100,000).
Source: ATF Federal Firearms Listings (licence types 01 dealers and 02 pawnbrokers), May 2026.
Most: California (1,302, 16.9% of the US). Most per person: Montana (48.63 per 100,000).
Source: State cannabis regulators’ licence lists (16 states and DC), September–October 2026.
Most: Texas (93, 6.7% of the US). Most per person: North Dakota (4.64 per 100,000).
Source: Centers for Medicare & Medicaid Services (CMS) hospital data, July 2026.
Most: California (72, 9.4% of the US). Most per person: Alaska (3.92 per 100,000).
Source: DoD Military Installations, Ranges and Training Areas (MIRTA), via the Bureau of Transportation Statistics, 2026.
Most: California (81, 14.6% of the US). Most per person: Vermont (2 per 100,000).
Source: Amtrak Stations, National Transportation Atlas Database (Bureau of Transportation Statistics), October 2026.
Most: Texas (465, 8.2% of the US). Most per person: Alaska (7.7 per 100,000).
Source: FAA airport data (NASR), via the Bureau of Transportation Statistics, 2026.
Most: California (77, 9.6% of the US). Most per person: Alaska (0.68 per 100,000).
Source: AllThePlaces (store-locator data), archived run of 11 January 2025, January 2025 (before the closures).
Most: Pennsylvania (352, 28% of the US). Most per person: New Hampshire (3.48 per 100,000).
Source: AllThePlaces (store-locator data), archived run of 11 January 2025, January 2025 (before the closures).
Most: Texas (116, 9.9% of the US). Most per person: Indiana (0.64 per 100,000).
Source: AllThePlaces (store-locator data), runs of 31 August 2024 and 28 June 2025, June 2025.
Most: Florida (1,997, 12.3% of the US). Most per person: North Dakota (15.32 per 100,000).
Source: OpenStreetMap, October 2026.
Most: New York (48, 9.5% of the US). Most per person: Vermont (4.78 per 100,000).
Source: OpenSkiMap (built on OpenStreetMap), October 2026.