Estimate, Median Age by Sex, Total Population (5-year estimate) in Jim Wells County, TX was 35.60000 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 Jim Wells County, TX reached a record high of 35.80000 in January of 2021 and a record low of 33.30000 in January of 2009. 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 Jim Wells County, TX - last updated from the United States Federal Reserve on May of 2024.