White to Non-White Racial Dissimilarity (5-year estimate) Index for Richardson County, NE was 32.35% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Richardson County, NE reached a record high of 38.96 in January of 2021 and a record low of 6.50 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 Richardson County, NE - last updated from the United States Federal Reserve on May of 2024.