Estimate, Median Age by Sex, Total Population (5-year estimate) in Weston County, WY was 43.10000 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 Weston County, WY reached a record high of 43.80000 in January of 2016 and a record low of 41.70000 in January of 2012. 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 Weston County, WY - last updated from the United States Federal Reserve on May of 2024.