Every President Ranked from Poorest to Richest

Hoover was a true self-made millionaire. Before politics, he worked as a mining engineer and consultant across the globe, earning huge paychecks for the early 1900s. By the time he entered public service, he was already wealthy, with major investments in mining and business ventures.

After leaving the presidency, Hoover continued to live comfortably but focused more on philanthropy than profit. He wrote books, advised presidents, and devoted his later years to public causes. Despite his controversial legacy during the Depression, his financial success remained unmatched among early 20th-century leaders.