White to Non-White Racial Dissimilarity (5-year estimate) Index for Gilmer County, GA was 25.48% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Gilmer County, GA reached a record high of 36.16 in January of 2017 and a record low of 16.03 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 Gilmer County, GA - last updated from the United States Federal Reserve on May of 2024.