Estimate, Median Age by Sex, Total Population (5-year estimate) in Dade County, MO was 46.50000 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 Dade County, MO reached a record high of 47.10000 in January of 2015 and a record low of 45.00000 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 Dade County, MO - last updated from the United States Federal Reserve on May of 2024.