5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clarksville | 1 | 2,882 | 2,843 | 0.24% | 950 | 3 | City |
| Bogata | 2 | 1,126 | 1,074 | 0.81% | 796 | 1 | City |
| Detroit | 3 | 707 | 703 | 0.14% | 447 | 2 | Town |
| Avery | 4 | 459 | 423 | 1.32% | 483 | 1 | Town |
| Annona | 5 | 185 | 184 | 0% | 231 | 1 | Town |
Clarksville is the largest city in Red River County, with a population of 2,882.
Annona is the smallest city in Red River County, with a population of 185.
There are 5 cities in Red River County, Texas.