Scarsdale placed second in the new index, up one spot from last year’s index, thanks to its average household income of $417,335. Darien placed eighth with an average household income of $341,090, followed by Bronxville in ninth with an average household income of $340,448.
Other high-ranking regional localities on the upper half of the list included Old Greenwich (12th, $336,692), Larchmont (15th, $313,586), Westport (18th, $304,439), Riverside (23rd, $290,904) and Rye (29th, $276,177). The richest locality on the Bloomberg list was Atherton, California, a suburb of San Francisco where the average household income was $450,696. More than half of the top 100 places were either in the New York City metro area or California.