City | Rank | 2026 Pop.↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Oklahoma City | 1 | 727,550 | 682,938 | 1.07% | 1,199 | 607 | City |
| Edmond | 2 | 101,571 | 94,732 | 1.09% | 1,203 | 84 | City |
| Midwest City | 3 | 58,839 | 58,460 | 0.07% | 2,412 | 24 | City |
| Del City | 4 | 21,017 | 21,801 | -0.57% | 2,796 | 8 | City |
| Bethany | 5 | 20,229 | 20,825 | -0.42% | 3,869 | 5 | City |
| Choctaw | 6 | 12,579 | 12,250 | 0.24% | 464 | 27 | City |
| Warr Acres | 7 | 10,560 | 10,568 | 0.08% | 3,767 | 3 | City |
| The Village | 8 | 9,226 | 9,566 | -0.54% | 3,621 | 3 | City |
| Harrah | 9 | 7,304 | 6,533 | 1.28% | 559 | 13 | City |
| Nichols Hills | 10 | 3,862 | 3,872 | -0.05% | 1,958 | 2 | City |
| Spencer | 11 | 3,834 | 3,981 | -0.6% | 713 | 5 | City |
| Jones | 12 | 3,301 | 2,900 | 2.45% | 242 | 14 | Town |
| Nicoma Park | 13 | 2,289 | 2,314 | -0.22% | 681 | 3 | City |
| Luther | 14 | 1,738 | 1,498 | 2.6% | 110 | 16 | Town |
| Forest Park | 15 | 1,033 | 1,050 | -0.19% | 563 | 2 | Town |
| Arcadia | 16 | 188 | 167 | 0.53% | 124 | 2 | Town |
| Woodlawn Park | 17 | 151 | 159 | -1.31% | 1,218 | 0 | Town |
| Lake Aluma | 18 | 86 | 89 | -1.15% | 336 | 0 | Town |
| Smith Village | 19 | 52 | 50 | 0% | 1,857 | 0 | Town |
Oklahoma City is the largest city in Oklahoma County, with a population of 727,550.
Smith Village is the smallest city in Oklahoma County, with a population of 52.
There are 19 cities in Oklahoma County, Oklahoma.