5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pearsall | 1 | 9,056 | 8,781 | 0.61% | 1,383 | 6.55 | City |
| Dilley | 2 | 3,371 | 3,275 | 0.57% | 1,446 | 2.33 | City |
| Bigfoot | 3 | 1,152 | 685 | 4.16% | 48 | 23.91 | CDP |
| North Pearsall | 4 | 735 | 480 | 1.1% | 516 | 1.43 | CDP |
| Hilltop | 5 | 261 | 196 | -0.38% | 208 | 1.25 | CDP |
Pearsall is the largest city in Frio County, with a population of 9,056.
Hilltop is the smallest city in Frio County.
There are 5 cities in Frio County, Texas.