$101 million In office:
1809 to 1817 4th president
Madison was the largest landowner in Orange County, Va. His land holding consisted of 5,000 acres and the Montpelier estate. He made significant wealth as Secretary of State and president. Madison lost money at the end of his life due to the steady financial collapse of his plantation.
(Photo by Stock Montage/Stock Montage/Getty Images) More From 24/7 Wall St.
: The Net Worth of the American Presidents America's Poorest Presidents The Best- and Worst-Run States in America The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.