District of Columbia Cities by Population 2026
1 cities
| City | Rank | 2026 Pop. ↓ | 2025 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Washington | 1 | 717,916 | 710,083 | 1.1% | 11,745 | 61 | City |
About District of Columbia
District of Columbia article text here.
Biggest City
Washington is the biggest city in District of Columbia, with a population of 717,916 in 2026.
Fastest Growing City
Washington is the fastest growing city in District of Columbia over the past 6 years, having grown 1.1% annually since 2020.