{"entry":{"slug":"us-county-population-density-2025","kind":"dataset","title":"US county population density, 2025","description":"Compare 2025 population estimates and population per square kilometre for US counties and county equivalents.","topic":"Population","region":"United States","updated":"2026-09-15","preview":"/library/us-county-population-density-2025.58ad83019acd.webp","assetId":"us-county-population-density-2025","sourcePage":"https://www.census.gov/programs-surveys/popest/data/data-sets.html","notes":["This map joins Census Bureau Vintage 2025 population estimates to 2025 county and county-equivalent boundaries.","Density is the population estimate divided by land area in square kilometres. Water area is excluded.","The selection covers counties and county equivalents in the 50 states and the District of Columbia. Puerto Rico and other territories are excluded.","Open the map to compare county density values and add your own notes. The map does not show population within each part of a county.","Boundaries are simplified for display. Estimates and county definitions can change between releases."],"related":[],"preset":{"color":"#7c3aed","fillOpacity":0.28,"basemap":"carto","viewBounds":[-125,24,-66,50],"bounds":[-179.14671,18.91036,179.77847,71.38731]},"period":"2025 population estimates and boundaries"},"asset":{"id":"us-county-population-density-2025","version":"7ba345749d27","url":"/library/us-county-population-density-2025.7ba345749d27.geojson","sha256":"7ba345749d27ff1fdc644ec80f4a1f81a31ddb7af0edc9d3c404aa8c58b6748c","bytes":4801788,"featureCount":3144,"geometryTypes":["MultiPolygon","Polygon"],"source":{"name":"US Census Bureau","url":"https://www.census.gov/programs-surveys/popest/data/data-sets.html","license":"Public domain","licenseUrl":"https://www.census.gov/about/policies/quality/data_stewardship/copyright.html","attribution":"US Census Bureau. Vintage 2025 county population estimates and 2025 cartographic boundaries. Population divided by source land area; boundaries simplified on 2026-09-15."},"fields":[{"name":"name","description":"County or county-equivalent name."},{"name":"county_fips","description":"Five-digit county geographic identifier."},{"name":"state_fips","description":"Two-digit state identifier."},{"name":"population_2025","description":"July 1, 2025 population estimate."},{"name":"land_area_km2","description":"Source land area in square kilometres."},{"name":"people_per_km2","description":"Estimated population divided by land area."}]}}