White to Non-White Racial Dissimilarity (5-year estimate) Index for Lewis County, MO was 26.47% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Lewis County, MO reached a record high of 34.45 in January of 2020 and a record low of 12.45 in January of 2018. 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 Lewis County, MO - last updated from the United States Federal Reserve on May of 2024.