Resident Population in Aransas County, TX was 25.37400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Aransas County, TX reached a record high of 25.42100 in January of 2017 and a record low of 8.90200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Aransas County, TX - last updated from the United States Federal Reserve on May of 2024.