17 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Edmond | 1 | 100,112 | 94,750 | 1.08% | 1,186 | 84 | City |
| Del City | 2 | 21,139 | 21,804 | -0.63% | 2,812 | 8 | City |
| Bethany | 3 | 20,321 | 20,820 | -0.49% | 3,887 | 5 | City |
| Choctaw | 4 | 12,384 | 12,251 | 0.21% | 457 | 27 | City |
| Warr Acres | 5 | 10,458 | 10,445 | 0.02% | 3,731 | 3 | City |
| The Village | 6 | 9,280 | 9,565 | -0.61% | 3,642 | 3 | City |
| Harrah | 7 | 6,936 | 6,519 | 1.21% | 531 | 13 | City |
| Spencer | 8 | 3,858 | 3,982 | -0.64% | 717 | 5 | City |
| Nichols Hills | 9 | 3,846 | 3,871 | -0.13% | 1,950 | 2 | City |
| Jones | 10 | 3,291 | 2,898 | 2.43% | 241 | 14 | Town |
| Nicoma Park | 11 | 2,289 | 2,314 | -0.22% | 681 | 3 | City |
| Luther | 12 | 1,714 | 1,498 | 2.57% | 109 | 16 | Town |
| Forest Park | 13 | 1,041 | 1,050 | -0.19% | 568 | 2 | Town |
| Arcadia | 14 | 177 | 169 | 0.57% | 117 | 2 | Town |
| Woodlawn Park | 15 | 152 | 159 | -1.3% | 1,226 | 0 | Town |
| Lake Aluma | 16 | 86 | 89 | -1.15% | 336 | 0 | Town |
| Smith Village | 17 | 51 | 49 | 0% | 1,821 | 0 | Town |
Edmond is the largest city in Oklahoma County, with a population of 100,112.
Smith Village is the smallest city in Oklahoma County, with a population of 51.
There are 17 cities in Oklahoma County, Oklahoma.