White to Non-White Racial Dissimilarity (5-year estimate) Index for Woodbury County, IA was 41.18% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Woodbury County, IA reached a record high of 50.85 in January of 2010 and a record low of 41.18 in January of 2022. 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 Woodbury County, IA - last updated from the United States Federal Reserve on May of 2024.