25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Oklahoma City | 1 | 720,377 | 681,069 | 1.05% | 1,188 | 606 | City |
| Oklahoma City | 2 | 720,377 | 683,084 | 1.05% | 1,188 | 606 | City |
| Norman | 3 | 131,717 | 127,997 | 0.54% | 737 | 179 | City |
| Norman | 4 | 131,717 | 128,179 | 0.54% | 737 | 179 | City |
| Moore | 5 | 64,042 | 62,808 | 0.31% | 2,899 | 22 | City |
| Moore | 6 | 64,042 | 63,057 | 0.31% | 2,899 | 22 | City |
| Midwest City | 7 | 58,515 | 58,404 | 0.02% | 2,398 | 24 | City |
| Midwest City | 8 | 58,515 | 58,465 | 0.02% | 2,398 | 24 | City |
| Noble | 9 | 7,965 | 6,985 | 2.39% | 624 | 13 | City |
| Noble | 10 | 7,965 | 7,033 | 2.39% | 624 | 13 | City |
| Slaughterville | 11 | 4,360 | 4,166 | 0.83% | 113 | 39 | Town |
| Slaughterville | 12 | 4,360 | 4,177 | 0.83% | 113 | 39 | Town |
| Goldsby | 13 | 3,716 | 2,694 | 5.69% | 142 | 26 | Town |
| Goldsby | 14 | 3,716 | 2,713 | 5.69% | 142 | 26 | Town |
| Pink | 15 | 2,200 | 2,086 | 0.96% | 61 | 36 | Town |
| Pink | 16 | 2,200 | 2,093 | 0.96% | 61 | 36 | Town |
| Lexington | 17 | 2,065 | 2,012 | 0.49% | 856 | 2 | City |
| Lexington | 18 | 2,065 | 2,014 | 0.49% | 856 | 2 | City |
| Valley Brook | 19 | 639 | 663 | -0.78% | 2,439 | 0 | Town |
| Valley Brook | 20 | 639 | 663 | -0.78% | 2,439 | 0 | Town |
| Tribbey | 21 | 348 | 335 | 0.58% | 18 | 19 | Town |
| Tribbey | 22 | 348 | 335 | 0.58% | 18 | 19 | Town |
| Dale | 23 | 276 | 352 | 2.22% | 372 | 1 | CDP |
| Etowah | 24 | 166 | 161 | 0.61% | 84 | 2 | Town |
| Etowah | 25 | 166 | 161 | 0.61% | 84 | 2 | Town |
Oklahoma City is the largest city in Cleveland County, with a population of 720,377.
Etowah is the smallest city in Cleveland County, with a population of 166.
There are 25 cities in Cleveland County, Oklahoma.