9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lawrenceville | 1 | 993 | 1,014 | -0.4% | 863 | 1 | Town |
| Lawrenceville | 2 | 993 | 1,011 | -0.4% | 863 | 1 | Town |
| Gasburg | 3 | 637 | 508 | 1.59% | 112 | 6 | CDP |
| Alberta | 4 | 296 | 302 | -0.34% | 139 | 2 | Town |
| Alberta | 5 | 296 | 301 | -0.34% | 139 | 2 | Town |
| Brodnax | 6 | 282 | 285 | -0.35% | 400 | 1 | Town |
| Brodnax | 7 | 282 | 285 | -0.35% | 400 | 1 | Town |
| Ebony | 8 | 117 | 231 | -2.5% | 27 | 4 | CDP |
| Warfield | 9 | 29 | 65 | -14.71% | 13 | 2 | CDP |
Lawrenceville is the largest city in Brunswick County, with a population of 993.
Warfield is the smallest city in Brunswick County, with a population of 29.
There are 9 cities in Brunswick County, Virginia.