donald trump john f. kennedy george washington and thomas jefferson despite the fact that donald trump is the first modern president to not publicly release his taxes he is clearly the wealthiest u.s. president ever he inherited a large sum from his father and invested much of it in real estate resorts and casinos his total net worth is estimated to be three point one billion dollars and like donald trump j.f.k.'s wealth has a cause in that he died before he received his large inheritance from his father had he received the inheritance along with a wealth of his wife jacqueline it's estimated that j.f.k. had would have had a net worth of one billion dollars and coming in third is the birthday boy george washington who earned one of the largest u.s. salaries in fact he owned more than fifty thousand acres of land bringing his well . to roughly five hundred twenty five million dollars and the fourth wealthiest president is one of the key authors of the declaration of independence and the third president of the united states thomas jefferson who made most of his money through inheritance from his father in w