Resident Population in Madison County, IN was 132.50400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Madison County, IN reached a record high of 142.00000 in January of 1972 and a record low of 129.36000 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Madison County, IN - last updated from the United States Federal Reserve on May of 2024.