Cleveland County, Oklahoma Zip Codes
| Oklahoma City | 61,987 |
| Norman | 49,906 |
| Norman | 43,027 |
| Oklahoma City | 41,645 |
| Norman | 27,926 |
| Noble | 12,297 |
| Norman | 11,180 |
| Newalla | 9,981 |
| Lexington | 9,762 |
| Oklahoma City | 8,263 |
| Oklahoma City | 4,241 |
| Norman | 158 |
| Norman | 0 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.