Estimate, Median Age by Sex, Total Population (5-year estimate) in Bear Lake County, ID was 40.00000 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 Bear Lake County, ID reached a record high of 41.20000 in January of 2010 and a record low of 38.90000 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 Bear Lake County, ID - last updated from the United States Federal Reserve on May of 2024.