21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Muskogee | 1 | 36,923 | 36,798 | 0.07% | 859 | 42.96 | City |
| Fort Gibson | 2 | 3,842 | 3,814 | 0.16% | 288 | 13.36 | Town |
| Haskell | 3 | 1,726 | 1,636 | 1.05% | 343 | 5.03 | Town |
| Warner | 4 | 1,610 | 1,607 | 0.06% | 870 | 1.85 | Town |
| Keefton | 5 | 1,056 | 686 | 7.1% | 54 | 19.71 | CDP |
| Redbird Smith | 6 | 680 | 596 | 2.1% | 56 | 12.04 | CDP |
| Porum | 7 | 611 | 603 | 0.33% | 685 | 0.89 | Town |
| Carlisle | 8 | 557 | 756 | -0.54% | 21 | 26.34 | CDP |
| Oktaha | 9 | 351 | 341 | 0.57% | 1,286 | 0.27 | Town |
| Webbers Falls | 10 | 344 | 333 | 0.58% | 82 | 4.19 | Town |
| Sand Hill | 11 | 302 | 349 | -2.27% | 40 | 7.60 | CDP |
| Notchietown | 12 | 279 | 147 | -2.45% | 36 | 7.82 | CDP |
| Braggs | 13 | 269 | 266 | 0.37% | 857 | 0.31 | Town |
| River Bottom | 14 | 264 | 259 | 2.72% | 28 | 9.36 | CDP |
| Taft | 15 | 172 | 172 | 0% | 111 | 1.55 | Town |
| Boynton | 16 | 164 | 161 | 0.61% | 390 | 0.42 | Town |
| Sour John | 17 | 115 | 96 | 7.48% | 20 | 5.68 | CDP |
| Summit | 18 | 115 | 107 | 1.77% | 118 | 0.98 | Town |
| Council Hill | 19 | 114 | 111 | 0.89% | 360 | 0.32 | Town |
| Wainwright | 20 | 98 | 93 | 1.03% | 332 | 0.29 | Town |
| Paradise Hill | 21 | 74 | 74 | 0% | 132 | 0.56 | Town |
Muskogee is the largest city in Muskogee County, with a population of 36,923.
Paradise Hill is the smallest city in Muskogee County.
There are 21 cities in Muskogee County, Oklahoma.