News David Koch ranked richest person in New York state by Forbes David Koch is the richest man in New York, according to Forbes. Photo Credit: Ben Gabbe / Getty Images By IVAN PEREIRA firstname.lastname@example.org @IvanPer4 April 29, 2015 4:23 PM Print Share Share Tweet Share Email David Koch stands tallest among New York's wealthiest. Forbes listed the richest people in each state and the 74-year-old investor was the was the top with a $42.7 billion worth, according to Forbes. Koch's value ranked fourth on the list with Bill Gates, who was the top in Washington, Warren Buffett, Nebraska's richest person, and former Oracle CEO Larry Ellison, who was number one in California, taking the top three spots. David Koch's brother Charles was the wealthiest person in Kansas. The magazine tracked down public assets and estimated private ones for its rankings. Here is the top ten list: Washington: Bill Gates $78.8 billion Nebraska: Warren Buffett $70.2 billion California: Larry Ellison $52.8 billion New York: David Koch $42.7 billion Kansas: Charles Koch $42.7 billion Wyoming: Christy Walton $39.1 billion Arkansas: Jim Walton $37.6 billion Texas: Alice Walton $36.4 billion Nevada: Sheldon Adelson $29.7 billion Virginia: Jacqueline Mars $26.8 billion By IVAN PEREIRA email@example.com @IvanPer4 Ivan has been a staff reporter with amNewYork since May 2012 and covers breaking news, politics and enterprise stories. Share on Facebook Share on Twitter Comments Comments section is temporarily on hold. Here’s why.