District of Columbia Counties Map
Hover/click a county for data.
| Name | 2022 Population | Growth Since 2010 | Land Area (mi²) | Density (mi²) |
|---|---|---|---|---|
| District of Columbia County | 718,355 | 18.69% | 61.15 | 11,748.37 |
- US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
- American Community Survey (2009 - 2013)
- Census QuickFacts
- Historical Populations of States and Counties (1790 - 1990)