White to Non-White Racial Dissimilarity (5-year estimate) Index for James City County, VA was 24.75% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for James City County, VA reached a record high of 31.45 in January of 2010 and a record low of 20.26 in January of 2014. 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 James City County, VA - last updated from the United States Federal Reserve on May of 2024.