5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| King George | 1 | 4,918 | 4,601 | 0.61% | 456 | 11 | CDP |
| Dahlgren | 2 | 3,733 | 3,528 | 1.97% | 1,396 | 3 | CDP |
| Passapatanzy | 3 | 1,284 | 1,174 | 0% | 630 | 2 | CDP |
| Dahlgren Center | 4 | 754 | 696 | 1.34% | 184 | 4 | CDP |
| Fairview Beach | 5 | 216 | 461 | -5.26% | 745 | 0 | CDP |
King George is the largest city in King George County, with a population of 4,918.
Fairview Beach is the smallest city in King George County, with a population of 216.
There are 5 cities in King George County, Virginia.