Resident Population in Hardin County, TX was 58.67000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Hardin County, TX reached a record high of 58.67000 in January of 2024 and a record low of 29.99600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Hardin County, TX - last updated from the United States Federal Reserve on April of 2026.