Topping the list, which was based on estimated median household income, is the Dallas suburb Southlake, with a median household income of $172,945. It was followed by Darien, Conn., and Los Altos, Calif.
Leading the D.C. area is McLean, Va., which came in fourth with a median household income of $156,292.
In fifth is Potomac, Md., ($154,370), with its neighbor North Potomac ($134,275) ranked 16th.