Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in San Jacinto County, TX was 20120.00000 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 San Jacinto County, TX reached a record high of 21241.00000 in January of 2020 and a record low of 19344.00000 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 San Jacinto County, TX - last updated from the United States Federal Reserve on May of 2024.