White to Non-White Racial Dissimilarity (5-year estimate) Index for Tattnall County, GA was 25.45% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Tattnall County, GA reached a record high of 30.42 in January of 2016 and a record low of 10.07 in January of 2009. 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 Tattnall County, GA - last updated from the United States Federal Reserve on June of 2024.