Founded in 1915, Okaloosa County is one of 67 counties in the state of Florida. Historically, Okaloosa County was formed from Santa Rosa and Walton. The city of Crestview is the county seat. With FIPS code of 91, Okaloosa County has a population of 213,255 and area of 936 square miles (2,424 km2).
List of all cities in Okaloosa County, FL alphabetically
| City/Town | Postal Code | Area Code |
| Baker, FL | 32531 | 850 |
| Choctaw Beach, FL | 32578 | 850 |
| Crestview, FL | 32531 | 850 |
| 32536 | 850 | |
| 32539 | 850 | |
| Destin, FL | 32540 | 850 |
| 32541 | 850 | |
| Duke Field AFS, FL | 32542 | 850 |
| Eglin, FL | 32542 | 850 |
| Fort Walton Beach, FL | 32547 | 850 |
| 32548 | 850 | |
| 32549 | 850 | |
| Holt, FL | 32564 | 850 |
| Hurlburt Field, FL | 32544 | 850 |
| Laurel Hill, FL | 32567 | 850 |
| Mary Esther, FL | 32569 | 850 |
| Milligan, FL | 32537 | 850 |
| Niceville, FL | 32578 | 850 |
| Niceville, FL | 32588 | 850 |
| Okaloosa Island, FL | 32548 | 850 |
| Shalimar, FL | 32579 | 850 |
| Valparaiso, FL | 32580 | 850 |
| West Destin, FL | 32548 | 850 |
Map of Cities in Okaloosa County, FL
