The "Jeopardy" website lists previous winners by several different categories. It lists the 353 winners who have won $50,000 or more as of 2015. Ken Jennings is at the top of the list, with total winnings of $2,520,700 in season 21.
Dave Madden is a distant second with an all-time total of $430,400 in season 22. The record holder for the highest one-day total is Roger Craig with a total of $77,000 on Sept. 14, 2010. Ken Jennings is second on the list with a one-day total of $75,000 on July 23, 2004. Other lists on "Jeopardy's" website include the College Champions, Teen Champions and Tournament of Champions winners.