If you’re looking to bump into a billionaire in New Jersey, good luck. DSTGAMING did a study of the 500 richest billionaires in the United States (there are 900-something altogether) and where they live. New York, Wyoming Canva/ Townsquare Media Illustrations loading...And New Jersey ranks 36th. Here in the Garden State, we have three billionaires who are among the 500 richest, and we have seven altogether. He’s the wealthiest person in New Jersey, according to Forbes, and has a net worth of $7.4 billion.