Resident Population in Gray County, TX was 20.88800 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Gray County, TX reached a record high of 28.45100 in January of 1983 and a record low of 20.88800 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Gray County, TX - last updated from the United States Federal Reserve on April of 2026.