Resident Population in Sterling County, TX was 1.39700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Sterling County, TX reached a record high of 1.64100 in January of 1986 and a record low of 1.00000 in January of 1973. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Sterling County, TX - last updated from the United States Federal Reserve on May of 2024.