White to Non-White Racial Dissimilarity (5-year estimate) Index for Putnam County, OH was 45.10% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Putnam County, OH reached a record high of 53.29 in January of 2020 and a record low of 34.41 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 Putnam County, OH - last updated from the United States Federal Reserve on May of 2024.