5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clarksville | 1 | 2,895 | 2,847 | 0.35% | 954 | 3.03 | City |
| Bogata | 2 | 1,108 | 1,075 | 0.64% | 783 | 1.42 | City |
| Detroit | 3 | 709 | 704 | 0.14% | 448 | 1.58 | Town |
| Avery | 4 | 442 | 424 | 0.91% | 465 | 0.95 | Town |
| Annona | 5 | 185 | 184 | 0% | 231 | 0.80 | Town |
Clarksville is the largest city in Red River County, with a population of 2,895.
Annona is the smallest city in Red River County.
There are 5 cities in Red River County, Texas.