Estimate, Median Age by Sex, Total Population (5-year estimate) in Elk County, KS was 50.40000 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 Elk County, KS reached a record high of 52.30000 in January of 2019 and a record low of 48.00000 in January of 2010. 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 Elk County, KS - last updated from the United States Federal Reserve on May of 2024.