| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Falfurrias | 1 | 4,172 | 4,640 | -1.79% | 1,458 | 3 | City |
Falfurrias is the largest city in Brooks County, with a population of 4,172.
Falfurrias is the smallest city in Brooks County, with a population of 4,172.
There is 1 city in Brooks County, Texas.