Estimate, Median Age by Sex, Total Population (5-year estimate) in Tompkins County, NY was 32.60000 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 Tompkins County, NY reached a record high of 32.60000 in January of 2022 and a record low of 28.30000 in January of 2009. 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 Tompkins County, NY - last updated from the United States Federal Reserve on May of 2024.