Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Austin County, TX was 18282.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Austin County, TX reached a record high of 18623.00000 in January of 2011 and a record low of 18055.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Austin County, TX - last updated from the United States Federal Reserve on May of 2024.