Resident Population in Calhoun County, TX was 19.69600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Calhoun County, TX reached a record high of 21.93900 in January of 2016 and a record low of 17.80000 in January of 1974. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Calhoun County, TX - last updated from the United States Federal Reserve on May of 2024.