Resident Population in Orange County, NY was 411.76700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Orange County, NY reached a record high of 411.76700 in January of 2024 and a record low of 221.65700 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Orange County, NY - last updated from the United States Federal Reserve on April of 2026.