Estimate, Median Age by Sex, Total Population (5-year estimate) in Kemper County, MS was 40.60000 Years of Age in January of 2024, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Kemper County, MS reached a record high of 41.80000 in January of 2018 and a record low of 36.50000 in January of 2013. 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 Kemper County, MS - last updated from the United States Federal Reserve on April of 2026.