Estimate, Median Age by Sex, Total Population (5-year estimate) in Polk County, TX was 43.80000 Years of Age in January of 2022, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Polk County, TX reached a record high of 44.10000 in January of 2009 and a record low of 43.20000 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in Polk County, TX - last updated from the United States Federal Reserve on May of 2024.