Resident Population in Madison County, NY was 67.07200 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Madison County, NY reached a record high of 73.44200 in January of 2010 and a record low of 62.86400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Madison County, NY - last updated from the United States Federal Reserve on April of 2026.