Counties · District of Columbia
Counties of District of Columbia
District of Columbia is a single county-equivalent with 693,645 residents in 2025.
What counties are in District of Columbia?
Sorted by the 2025 population estimate; sort by any column.
| District of Columbia | 693,645 | +0.6% | $109,870 |
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Source: PEP Vintage 2025 (CO-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections