District of Columbia Counties by Population (2026)
2026 Pop.
696K
Top 5 Most Populous Counties
695,980
1 Counties
| County | 2026 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| District of Columbia | 695,980 | 61 | 11,410 | 3.73% |
Overview of District of Columbia Counties
There are 1 counties in District of Columbia.
District of Columbia is the largest county in the state, with a population of 695,980. The most recent census shows that its population has increased by 0.04% since the previous census.
District of Columbia Counties with Rapid Growth
District of Columbia , with its sizeable population of 695,980, has shown the largest population growth, with an increase of 0.0% since the last census.
Sources
- 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)