Draw on a MapUS county population density, 2025
Compare 2025 population estimates and population per square kilometre for US counties and county equivalents.
People per square kilometre
- Below 10 people/km²
- 10 to below 50 people/km²
- 50 to below 100 people/km²
- 100 to below 500 people/km²
- 500 or more people/km²
Colours show county averages. The initial view shows the contiguous United States. Pan or zoom to see Alaska and Hawaii.
Inspect and select records
Choose values to filter the preview. Open or download the matching records.
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View record table
The table shows up to eight fields. The download keeps all fields and the original geometry.
About this dataset
- 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.
Source and licence
Licence: Public domain
GeoJSON download details
The download includes all 3,144 features as area groups, areas. Coordinates use longitude and latitude in WGS84.
The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.
GeoJSON fields 6
name- County or county-equivalent name.
county_fips- Five-digit county geographic identifier.
state_fips- Two-digit state identifier.
population_2025- July 1, 2025 population estimate.
land_area_km2- Source land area in square kilometres.
people_per_km2- Estimated population divided by land area.