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.
Okaloosa County is coextensive with the Fort Walton Beach-Crestview-Destin, Florida Metropolitan Statistical Area, a metropolitan statistical area (MSA) designated by the Office of Management and Budget. Fort Walton Beach, Crestview and Destin are designated as the principal cities of the MSA. The Fort Walton Beach, Florida Standard Metropolitan Statistical Area was first defined in 1981. In 2003 Crestview and Destin were named principal cities, and the MSA name was changed to its present form.
