City | Rank | 2026 Pop.↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Washington | 1 | 698,733 | 670,958 | 0.73% | 11,431 | 61 | City |
Washington is the largest city in District of Columbia, with a population of 698,733.
Washington is the smallest city in District of Columbia, with a population of 698,733.
There is 1 city in District of Columbia, District of Columbia.