| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Muskogee | 1 | 36,786 | 36,754 | 0.07% | 856 | 43 | City |
| Fort Gibson | 2 | 3,816 | 3,808 | 0.05% | 286 | 13 | Town |
| Haskell | 3 | 1,761 | 1,624 | 1.21% | 350 | 5 | Town |
| Warner | 4 | 1,587 | 1,588 | 0% | 858 | 2 | Town |
| Porum | 5 | 611 | 600 | 0.33% | 685 | 1 | Town |
| Oktaha | 6 | 350 | 338 | 0.57% | 1,282 | 0 | Town |
| Webbers Falls | 7 | 324 | 319 | 0.31% | 77 | 4 | Town |
| Braggs | 8 | 266 | 261 | 0.38% | 847 | 0 | Town |
| Taft | 9 | 172 | 173 | 0% | 111 | 2 | Town |
| Boynton | 10 | 166 | 161 | 0.61% | 395 | 0 | Town |
| Council Hill | 11 | 112 | 110 | 0% | 353 | 0 | Town |
| Summit | 12 | 111 | 106 | 0.91% | 114 | 1 | Town |
| Wainwright | 13 | 95 | 93 | 0% | 322 | 0 | Town |
| Paradise Hill | 14 | 70 | 70 | 0% | 125 | 1 | Town |
Muskogee is the largest city in Muskogee County, with a population of 36,786.
Paradise Hill is the smallest city in Muskogee County, with a population of 70.
There are 14 cities in Muskogee County, Oklahoma.