White to Non-White Racial Dissimilarity (5-year estimate) Index for Cerro Gordo County, IA was 25.48% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Cerro Gordo County, IA reached a record high of 34.61 in January of 2011 and a record low of 16.75 in January of 2019. 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 Cerro Gordo County, IA - last updated from the United States Federal Reserve on May of 2024.