3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sweetwater | 1 | 9,988 | 10,611 | -1.03% | 916 | 11 | City |
| Roscoe | 2 | 1,182 | 1,262 | -1.09% | 367 | 3 | City |
| Blackwell | 3 | 246 | 258 | -0.81% | 416 | 1 | City |
Sweetwater is the largest city in Nolan County, with a population of 9,988.
Blackwell is the smallest city in Nolan County, with a population of 246.
There are 3 cities in Nolan County, Texas.