12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Seminole | 1 | 7,298 | 7,140 | 0.47% | 515 | 14 | City |
| Seminole | 2 | 7,298 | 7,125 | 0.47% | 515 | 14 | City |
| Wewoka | 3 | 3,027 | 3,133 | -0.66% | 625 | 5 | City |
| Wewoka | 4 | 3,027 | 3,127 | -0.66% | 625 | 5 | City |
| Konawa | 5 | 1,234 | 1,295 | -0.96% | 940 | 1 | City |
| Konawa | 6 | 1,234 | 1,292 | -0.96% | 940 | 1 | City |
| Bowlegs | 7 | 347 | 356 | -0.57% | 93 | 4 | Town |
| Bowlegs | 8 | 347 | 355 | -0.57% | 93 | 4 | Town |
| Cromwell | 9 | 234 | 238 | -0.43% | 395 | 1 | Town |
| Cromwell | 10 | 234 | 238 | -0.43% | 395 | 1 | Town |
| Sasakwa | 11 | 77 | 81 | -1.28% | 362 | 0 | Town |
| Sasakwa | 12 | 77 | 81 | -1.28% | 362 | 0 | Town |
Seminole is the largest city in Seminole County, with a population of 7,298.
Sasakwa is the smallest city in Seminole County, with a population of 77.
There are 12 cities in Seminole County, Oklahoma.