White to Non-White Racial Dissimilarity (5-year estimate) Index for McHenry County, ND was 36.50% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for McHenry County, ND reached a record high of 44.66 in January of 2010 and a record low of 3.47 in January of 2015. 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 McHenry County, ND - last updated from the United States Federal Reserve on May of 2024.