US Census Maps

Explore the 2020 Decennial Census and the latest American Community Survey on a map.

Census year

The 2020 Decennial Census is a full count taken every 10 years; the American Community Survey (ACS) publishes new 5-year estimates each year.

Area

District of Columbia, DCCounty

681,294 people

For example, your home town, a county name, or a ZIP code

Topic

People per square mile of land area.

View the 10 highest and lowest areas ›

< Back to Population

American Community Survey estimates come from a rolling 5-year sample of about 3.5 million addresses per year. They are subject to sampling variability; values for very small areas can be unreliable. Read more

681,294 / sq mi

Population density in District of Columbia, DCCounty

1 / sq mi

1,500 / sq mi

2,700 / sq mi

4,400 / sq mi

6,900 / sq mi

9,500 / sq mi