White to Non-White Racial Dissimilarity (5-year estimate) Index for McKinley County, NM was 45.53% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for McKinley County, NM reached a record high of 45.53 in January of 2022 and a record low of 25.91 in January of 2009. 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 McKinley County, NM - last updated from the United States Federal Reserve on May of 2024.