Resident Population in Madison County, TX was 13.74200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Madison County, TX reached a record high of 14.41700 in January of 2018 and a record low of 7.60000 in January of 1972. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Madison County, TX - last updated from the United States Federal Reserve on May of 2024.