Percent of Population Below the Poverty Level (5-year estimate) in San Augustine County, TX was 27.30% in January of 2022, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in San Augustine County, TX reached a record high of 27.30 in January of 2022 and a record low of 23.70 in January of 2014. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in San Augustine County, TX - last updated from the United States Federal Reserve on May of 2024.