White to Non-White Racial Dissimilarity (5-year estimate) Index for Polk County, GA was 23.47% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Polk County, GA reached a record high of 33.20 in January of 2021 and a record low of 12.07 in January of 2016. 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 Polk County, GA - last updated from the United States Federal Reserve on May of 2024.