Resident Population in Orange County, IN was 19.63800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Orange County, IN reached a record high of 19.94200 in January of 2011 and a record low of 16.96800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Orange County, IN - last updated from the United States Federal Reserve on May of 2024.