White to Non-White Racial Dissimilarity (5-year estimate) Index for McDuffie County, GA was 35.43% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for McDuffie County, GA reached a record high of 45.24 in January of 2020 and a record low of 29.52 in January of 2017. 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 McDuffie County, GA - last updated from the United States Federal Reserve on June of 2024.