Estimate, Median Age by Sex, Total Population (5-year estimate) in Jerauld County, SD was 50.50000 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 Jerauld County, SD reached a record high of 51.90000 in January of 2010 and a record low of 47.20000 in January of 2016. 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 Jerauld County, SD - last updated from the United States Federal Reserve on May of 2024.