The Richest People In South Dakota

Below are the richest people in South Dakota. As of July 2025, the richest person in South Dakota is T. Denny Sanford. T. Denny Sanford lives in South Dakota. How does your net worth compare to the fortunes of the wealthiest people in South Dakota?
  1. 1
    T. Denny Sanford Net Worth US Flag

    T. Denny Sanford

    $2.3 Billion
    Richest Person in South Dakota High Position of Wealth in Richest Wall Street Bankers