| Zip Code | City | Population ↓ |
|---|---|---|
| 32547 | Fort Walton Beach | 35,527 |
| 32578 | Niceville | 34,738 |
| 32539 | Crestview | 33,290 |
| 32536 | Crestview | 25,599 |
| 32548 | Fort Walton Beach | 23,774 |
| 32541 | Destin | 18,855 |
| 32569 | Mary Esther | 12,063 |
| 32579 | Shalimar | 10,506 |
| 32531 | Baker | 7,314 |
| 32567 | Laurel Hill | 5,609 |
| 32580 | Valparaiso | 4,194 |
| 32542 | Eglin Afb | 3,578 |
| 32544 | Hurlburt Field | 2,256 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Okaloosa County, Florida (US Census).