White to Non-White Racial Dissimilarity (5-year estimate) Index for Carroll County, OH was 18.87% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Carroll County, OH reached a record high of 45.57 in January of 2017 and a record low of 13.06 in January of 2014. 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 Carroll County, OH - last updated from the United States Federal Reserve on May of 2024.