Estimate, Median Age by Sex, Total Population (5-year estimate) in Lake County, FL was 46.90000 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 Lake County, FL reached a record high of 47.20000 in January of 2009 and a record low of 45.20000 in January of 2010. 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 Lake County, FL - last updated from the United States Federal Reserve on June of 2024.