6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| College Station | 1 | 129,834 | 120,779 | 1.41% | 2,538 | 51 | City |
| Bryan | 2 | 93,336 | 84,358 | 1.96% | 1,703 | 55 | City |
| Navasota | 3 | 9,906 | 7,730 | 4.59% | 1,181 | 8 | City |
| Lake Bryan | 4 | 1,365 | 1,270 | -1.8% | 180 | 8 | CDP |
| Kurten | 5 | 407 | 401 | 0.25% | 89 | 5 | Town |
| Wixon Valley | 6 | 234 | 228 | 0.43% | 130 | 2 | City |
College Station is the largest city in Brazos County, with a population of 129,834.
Wixon Valley is the smallest city in Brazos County, with a population of 234.
There are 6 cities in Brazos County, Texas.