White to Non-White Racial Dissimilarity (5-year estimate) Index for Caddo County, OK was 33.05% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Caddo County, OK reached a record high of 35.85 in January of 2020 and a record low of 22.37 in January of 2010. 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 Caddo County, OK - last updated from the United States Federal Reserve on May of 2024.