21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Muskogee | 1 | 36,868 | 36,770 | 0.05% | 858 | 43 | City |
| Fort Gibson | 2 | 3,814 | 3,812 | 0% | 286 | 13 | Town |
| Haskell | 3 | 1,742 | 1,636 | 1.22% | 346 | 5 | Town |
| Warner | 4 | 1,609 | 1,606 | 0% | 870 | 2 | Town |
| Keefton | 5 | 1,056 | 686 | 7.1% | 54 | 20 | CDP |
| Redbird Smith | 6 | 680 | 596 | 2.1% | 56 | 12 | CDP |
| Porum | 7 | 613 | 603 | 0.33% | 687 | 1 | Town |
| Carlisle | 8 | 557 | 756 | -0.54% | 21 | 26 | CDP |
| Oktaha | 9 | 348 | 341 | 0.29% | 1,275 | 0 | Town |
| Webbers Falls | 10 | 341 | 333 | 0.29% | 81 | 4 | Town |
| Sand Hill | 11 | 302 | 349 | -2.27% | 40 | 8 | CDP |
| Notchietown | 12 | 279 | 147 | -2.45% | 36 | 8 | CDP |
| Braggs | 13 | 272 | 265 | 0.37% | 866 | 0 | Town |
| River Bottom | 14 | 264 | 259 | 2.72% | 28 | 9 | CDP |
| Taft | 15 | 173 | 173 | 0% | 112 | 2 | Town |
| Boynton | 16 | 165 | 163 | 0% | 393 | 0 | Town |
| Sour John | 17 | 115 | 96 | 7.48% | 20 | 6 | CDP |
| Summit | 18 | 113 | 107 | 0.89% | 116 | 1 | Town |
| Council Hill | 19 | 111 | 109 | 0% | 350 | 0 | Town |
| Wainwright | 20 | 96 | 93 | 0% | 325 | 0 | Town |
| Paradise Hill | 21 | 69 | 71 | -1.43% | 123 | 1 | Town |
Muskogee is the largest city in Muskogee County, with a population of 36,868.
Paradise Hill is the smallest city in Muskogee County, with a population of 69.
There are 21 cities in Muskogee County, Oklahoma.