District of Columbia County Map

District of Columbia has 1 county-equivalent. It covers 61.1 sq mi of land and holds 693,645 people.

District of Columbia, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks District of Columbia, the county seat, located via the 2025 Census Gazetteer.

County-Equivalents: 1; 51st most of the 51 states and DC
Population: 693,645; 49th largest
Land area: 61.1; square miles
Density: 11,348; people per square mile, computed

Download this map

Free to use and redistribute. The boundaries are public-domain Census Bureau data; attribution to County Maps US is appreciated but not required.

Satellite view

Aerial imagery of District of Columbia with the state boundary drawn on top. County lines are not drawn here: at this scale they would bury the picture, and the map above already carries them.

Aerial view of District of Columbia from the USGS National Map, with its boundary outlined — Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 661 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

The extremes of District of Columbia

Most populous

District of Columbia

693,645

Least populous

District of Columbia

693,645

Largest by land area

District of Columbia

61.1 sq mi

Smallest by land area

District of Columbia

61.1 sq mi

Most densely populated

District of Columbia

11,348 per sq mi

Highest median household income

District of Columbia

$109,870

Which is the largest county-equivalent in District of Columbia? The answer depends on whether you mean area or population.

All 1 county-equivalent of District of Columbia

Sortable on any column. This table doubles as the text alternative to the map above: every area is a link, in alphabetical order, whether or not the map renders.

The 1 county-equivalent of District of Columbia, with population, land area, density, median household income, county seat and FIPS code.
Name	Population	Land area	Density	Median income	Seat	FIPS
District of Columbia	693,645	61.1 sq mi	11,348 per sq mi	$109,870	District of Columbia	11001

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

The ten most populous

District of Columbia693,645

Data on this page last rebuilt 30 August 2026. How these figures are produced.