White to Non-White Racial Dissimilarity (5-year estimate) Index for Guernsey County, OH was 39.25% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Guernsey County, OH reached a record high of 40.83 in January of 2021 and a record low of 22.67 in January of 2011. 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 Guernsey County, OH - last updated from the United States Federal Reserve on June of 2024.