Key facts
- Country
- United States
- State
- Florida
- Founded
- September 7, 1915
- Seat
- Crestview
- Largest city
- Crestview
- Total
- 1,082 sq mi (2,800 km )
- Land
- 930 sq mi (2,400 km )
- Water
- 152 sq mi (390 km ) 14.0%
- Estimate 2025
- 221,810
- Density
- 230/sq mi (88/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
Article
30°41′15″N 86°35′33″W / 30.68750°N 86.59250°W / 30.68750; -86.59250
Okaloosa County is a county located in the northwestern portion of the U.S. state of Florida, extending from the Gulf of Mexico to the Alabama state line. As of the 2020 census, the population was 211,668. Its county seat is Crestview. Okaloosa County is included in the Crestview-Fort Walton Beach-Destin, FL Metropolitan Statistical Area.