Resident Population in Terry County, TX was 11.54700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Terry County, TX reached a record high of 15.02300 in January of 1983 and a record low of 11.54700 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Terry County, TX - last updated from the United States Federal Reserve on May of 2024.