Estimate, Median Age by Sex, Total Population (5-year estimate) in Kidder County, ND was 48.40000 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 Kidder County, ND reached a record high of 49.40000 in January of 2011 and a record low of 44.30000 in January of 2017. 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 Kidder County, ND - last updated from the United States Federal Reserve on May of 2024.