17 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Edmond | 1 | 101,185 | 94,750 | 1.07% | 1,198 | 84 | City |
| Del City | 2 | 21,006 | 21,804 | -0.63% | 2,794 | 8 | City |
| Bethany | 3 | 20,221 | 20,820 | -0.49% | 3,868 | 5 | City |
| Choctaw | 4 | 12,411 | 12,251 | 0.22% | 458 | 27 | City |
| Warr Acres | 5 | 10,461 | 10,445 | 0.03% | 3,732 | 3 | City |
| The Village | 6 | 9,223 | 9,565 | -0.61% | 3,620 | 3 | City |
| Harrah | 7 | 7,020 | 6,519 | 1.21% | 537 | 13 | City |
| Nichols Hills | 8 | 3,841 | 3,871 | -0.13% | 1,948 | 2 | City |
| Spencer | 9 | 3,833 | 3,982 | -0.65% | 712 | 5 | City |
| Jones | 10 | 3,370 | 2,898 | 2.4% | 247 | 14 | Town |
| Nicoma Park | 11 | 2,284 | 2,314 | -0.22% | 680 | 3 | City |
| Luther | 12 | 1,757 | 1,498 | 2.51% | 111 | 16 | Town |
| Forest Park | 13 | 1,039 | 1,050 | -0.19% | 567 | 2 | Town |
| Arcadia | 14 | 179 | 169 | 1.13% | 118 | 2 | Town |
| Woodlawn Park | 15 | 151 | 159 | -0.66% | 1,218 | 0 | Town |
| Lake Aluma | 16 | 86 | 89 | 0% | 336 | 0 | Town |
| Smith Village | 17 | 52 | 49 | 1.96% | 1,857 | 0 | Town |
Edmond is the largest city in Oklahoma County, with a population of 101,185.
Smith Village is the smallest city in Oklahoma County, with a population of 52.
There are 17 cities in Oklahoma County, Oklahoma.