Resident Population in Red River County, TX was 11.69600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Red River County, TX reached a record high of 16.10100 in January of 1980 and a record low of 11.55600 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Red River County, TX - last updated from the United States Federal Reserve on April of 2026.