17 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Edmond | 1 | 100,339 | 94,748 | 1.13% | 1,188 | 84.44 | City |
| Del City | 2 | 20,985 | 21,802 | -0.77% | 2,791 | 7.52 | City |
| Bethany | 3 | 20,069 | 20,819 | -0.74% | 3,839 | 5.23 | City |
| Choctaw | 4 | 12,266 | 12,200 | 0.11% | 452 | 27.12 | City |
| Warr Acres | 5 | 10,492 | 10,442 | 0.1% | 3,743 | 2.80 | City |
| The Village | 6 | 9,234 | 9,569 | -0.72% | 3,624 | 2.55 | City |
| Harrah | 7 | 6,691 | 6,298 | 1.19% | 512 | 13.07 | City |
| Spencer | 8 | 3,830 | 3,980 | -0.78% | 712 | 5.38 | City |
| Nichols Hills | 9 | 3,798 | 3,868 | -0.37% | 1,926 | 1.97 | City |
| Jones | 10 | 3,350 | 2,897 | 2.79% | 245 | 13.67 | Town |
| Nicoma Park | 11 | 2,272 | 2,314 | -0.35% | 676 | 3.36 | City |
| Luther | 12 | 1,647 | 1,497 | 1.86% | 104 | 15.76 | Town |
| Forest Park | 13 | 1,042 | 1,051 | -0.19% | 568 | 1.83 | Town |
| Arcadia | 14 | 177 | 169 | 1.14% | 117 | 1.52 | Town |
| Woodlawn Park | 15 | 149 | 158 | -1.32% | 1,202 | 0.12 | Town |
| Lake Aluma | 16 | 87 | 91 | -1.14% | 340 | 0.26 | Town |
| Smith Village | 17 | 50 | 49 | 0% | 1,786 | 0.03 | Town |
Edmond is the largest city in Oklahoma County, with a population of 100,339.
Smith Village is the smallest city in Oklahoma County.
There are 17 cities in Oklahoma County, Oklahoma.