White to Non-White Racial Dissimilarity (5-year estimate) Index for Grant County, NM was 30.87% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Grant County, NM reached a record high of 36.42 in January of 2011 and a record low of 24.25 in January of 2017. 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 Grant County, NM - last updated from the United States Federal Reserve on May of 2024.