Estimate, Median Age by Sex, Total Population (5-year estimate) in Howard County, MO was 38.30000 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 Howard County, MO reached a record high of 39.70000 in January of 2012 and a record low of 38.20000 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 Howard County, MO - last updated from the United States Federal Reserve on May of 2024.