6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| College Station | 1 | 128,139 | 120,771 | 1.16% | 2,505 | 51.16 | City |
| Bryan | 2 | 93,135 | 84,334 | 1.93% | 1,699 | 54.82 | City |
| Navasota | 3 | 9,794 | 7,731 | 4.4% | 1,167 | 8.39 | City |
| Lake Bryan | 4 | 1,365 | 1,270 | -1.8% | 180 | 7.56 | CDP |
| Kurten | 5 | 404 | 396 | 0.5% | 89 | 4.55 | Town |
| Wixon Valley | 6 | 230 | 227 | 0.44% | 128 | 1.79 | City |
College Station is the largest city in Brazos County, with a population of 128,139.
Wixon Valley is the smallest city in Brazos County.
There are 6 cities in Brazos County, Texas.