White to Non-White Racial Dissimilarity (5-year estimate) Index for Monongalia County, WV was 24.37% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Monongalia County, WV reached a record high of 37.84 in January of 2009 and a record low of 24.37 in January of 2022. 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 Monongalia County, WV - last updated from the United States Federal Reserve on May of 2024.