4 N.J. billionaires make Forbes list of America’s 400 richest people. See who made the cut.

Who are the richest people in America? Forbes has an answer to the billion-dollar question — 400 answers, as a matter of fact.

The magazine has released the Forbes 400 , its ranking of the wealthiest Americans. Topping the charts is the same man who led it last year : Elon Musk.

Also making the list are four billionaires who live in New Jersey, including one newcomer to that stratosphere.

The four Garden State moguls represent a combined wealth of $22.9 billion. Altogether, the list’s 400 people hold more than $5 trillion in wealth.

John Overdeck - No. 172

John Overdeck is the New Jersey’s own Richie Rich, the state’s most moneyed resident with an estimated net worth of $8 billion.

He is the co-founder and co-chairman of Two Sigma Investments, a New York City-based hedge fund wi