| Zip Code | City | Population ↓ |
|---|---|---|
| 73505 | Lawton | 47,790 |
| 73507 | Lawton | 21,046 |
| 73501 | Lawton | 20,397 |
| 73503 | Fort Sill | 11,468 |
| 73538 | Elgin | 7,128 |
| 73527 | Cache | 5,109 |
| 73541 | Fletcher | 3,257 |
| 73543 | Geronimo | 1,993 |
| 73552 | Indiahoma | 1,404 |
| 73567 | Sterling | 781 |
| 73540 | Faxon | 324 |
| 73557 | Medicine Park | 261 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Comanche County, Oklahoma (US Census).