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District of Columbia Demographics

District of Columbia is the 50th most populous of 52 states in the United States, with 689,545 residents across 61 square miles. That is about 11,281 people per square mile. 100% of residents live in urban areas.

At the 2020 census

Population 689,545
Land area 61 sq mi
Density 11,281 / sq mi
Urban share 100%

Data: 2020 Census · American Community Survey 2024

How District of Columbia compares to the US

We're computing this state's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: District of Columbia

Measured from the state's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around District of Columbia — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Counties in District of Columbia

Name Population Sq mi Per sq mi
District of Columbia 689,482 61.1 11,280

Largest cities in District of Columbia

Name Population Sq mi Per sq mi
Washington, DC 689,482 61.1 11,280

Related places

About this page

This page shows demographics for a US state from the 2020 census and the American Community Survey: population, land area, density, and how the state compares to national averages for income, housing, age, and more.

Use the links below to drill into the state's counties and largest cities, or open any point of the state in the radius tool to measure the population within a distance or drive time.

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