17 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Atoka | 1 | 2,938 | 2,870 | 0.44% | 357 | 8 | City |
| Atoka | 2 | 2,938 | 2,872 | 0.44% | 357 | 8 | City |
| Caney | 3 | 501 | 303 | 7.05% | 44 | 11 | CDP |
| Stringtown | 4 | 436 | 417 | 0.69% | 81 | 5 | Town |
| Stringtown | 5 | 436 | 418 | 0.69% | 81 | 5 | Town |
| Tushka | 6 | 430 | 412 | 0.7% | 568 | 1 | Town |
| Tushka | 7 | 430 | 412 | 0.7% | 568 | 1 | Town |
| Lane | 8 | 289 | 215 | -2.69% | 36 | 8 | CDP |
| Caney | 9 | 193 | 185 | 0.52% | 255 | 1 | Town |
| Caney | 10 | 193 | 185 | 0.52% | 255 | 1 | Town |
| Bee | 11 | 146 | 184 | 0% | 112 | 1 | CDP |
| Phillips | 12 | 129 | 124 | 0.78% | 246 | 1 | Town |
| Phillips | 13 | 129 | 124 | 0.78% | 246 | 1 | Town |
| Cottonwood | 14 | 126 | 142 | 6.78% | 191 | 1 | CDP |
| Armstrong | 15 | 123 | 113 | 1.65% | 1,414 | 0 | Town |
| Armstrong | 16 | 123 | 113 | 1.65% | 1,414 | 0 | Town |
| Bentley | 17 | 100 | 90 | 7.53% | 296 | 0 | CDP |
Atoka is the largest city in Atoka County, with a population of 2,938.
Bentley is the smallest city in Atoka County, with a population of 100.
There are 17 cities in Atoka County, Oklahoma.