Milligan, Florida
Milligan is an unincorporated community in Okaloosa County, Florida. It sits at the junction of U.S. Route 90 (State Road 10) and State Road 4, about 4 miles west-southwest of Crestview. Milligan served as the county seat from 1915, when Okaloosa County was formed, until 1917, when the Yellow River flood ended that arrangement. The ZIP code is 32531, the area code is 850, and the elevation is 108 feet.
This page was last edited on 2 February 2026, at 18:28 (CET).