Estimate, Median Age by Sex, Total Population (5-year estimate) in Kossuth County, IA was 45.10000 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 Kossuth County, IA reached a record high of 46.90000 in January of 2012 and a record low of 44.70000 in January of 2021. 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 Kossuth County, IA - last updated from the United States Federal Reserve on May of 2024.