White to Non-White Racial Dissimilarity (5-year estimate) Index for Okaloosa County, FL was 27.74% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Okaloosa County, FL reached a record high of 30.39 in January of 2009 and a record low of 22.16 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for White to Non-White Racial Dissimilarity (5-year estimate) Index for Okaloosa County, FL - last updated from the United States Federal Reserve on May of 2024.