Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crestview | 1 | 29,877 | 27,569 | 1.97% | 1,709 | 17.5 | City |
| Wright | 2 | 26,796 | 24,671 | 0.99% | 4,892 | 5.5 | CDP |
| Fort Walton Beach | 3 | 20,920 | 20,939 | -0.02% | 2,731 | 7.7 | City |
| Niceville | 4 | 16,709 | 15,832 | 1.33% | 1,159 | 14.4 | City |
| Destin | 5 | 14,271 | 13,938 | 0.58% | 1,905 | 7.5 | City |
| Lake Lorraine | 6 | 7,190 | 7,495 | 0.18% | 3,490 | 2.1 | CDP |
| Ocean City | 7 | 6,201 | 5,969 | 0.76% | 3,990 | 1.6 | CDP |
| Valparaiso | 8 | 5,116 | 4,767 | 1.73% | 436 | 11.7 | City |
| Mary Esther | 9 | 4,116 | 3,988 | 0.78% | 2,829 | 1.5 | City |
| Hurlburt Field | 10 | 3,243 | 2,478 | 7.67% | 322 | 10.1 | CDP |
| Eglin AFB | 11 | 2,840 | 2,448 | 1.47% | 938 | 3.0 | CDP |
| Harold | 12 | 870 | 1,070 | 0.46% | 59 | 14.7 | CDP |
| Shalimar | 13 | 766 | 741 | 0.79% | 2,669 | 0.3 | Town |
| Laurel Hill | 14 | 614 | 590 | 0.99% | 146 | 4.2 | City |
| Cinco Bayou | 15 | 473 | 455 | 0.85% | 2,718 | 0.2 | Town |
| Munson | 16 | 393 | 301 | 0.26% | 16 | 25.2 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Crestview is the largest city in Okaloosa County.
Munson is the smallest city in Okaloosa County.
There are 16 cities in Okaloosa County, Florida.