13. Bronxville, New York (Average Household Income: $330,421)

Bronxville is only one square mile, but it packs a lot of wealth within it. Situated in the area of Eastchester, it is yet another escape for wealthy families who make their money in nearby Manhattan.

According to the New York Times, Bronxville has managed to maintain its wealthy digs without becoming “too fancy or flashy.” True to form, it’s also the hometown of John, Joseph, Robert, Rose, and Ted Kennedy.