Resident Population in Orange County, TX was 86.11500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Orange County, TX reached a record high of 87.40200 in January of 1982 and a record low of 71.17000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Orange County, TX - last updated from the United States Federal Reserve on April of 2026.