The 10 Most Expensive Cities to Live in the U.S.

10. Water Mill, New York

Water Mill is a little town on Long Island, with a beach nearby and a quick train ride to New York City. It's a historic place, home to the first water mill in New York, dating back to 1644 (according to the Water Mill Museum). Living in this special town costs around $333,713 per year for each person, which is about $27,809 per person. The average home value is nearly $3.3 million as of January 2021, so it's a town mostly affordable for folks who earn a lot in Manhattan or for celebrities looking for a second home (according to Go Banking Rates).