Resident Population in Texas County, OK was 20.37100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Texas County, OK reached a record high of 22.05200 in January of 2013 and a record low of 16.35200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Texas County, OK - last updated from the United States Federal Reserve on May of 2024.