White to Non-White Racial Dissimilarity (5-year estimate) Index for Cass County, NE was 29.75% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Cass County, NE reached a record high of 35.37 in January of 2015 and a record low of 10.72 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 Cass County, NE - last updated from the United States Federal Reserve on May of 2024.