Report: Massachusetts has 9 of the richest ZIP codes in the US

Can you guess where they are? Four are in Boston, according to the rankings, which looked at the average adjusted gross income.

At No. 11, Weston was the first Massachusetts ZIP code on the list. Pat Greenhouse/Globe staff/File 2017

March 4, 2019

Massachusetts has nine of the 100 richest ZIP codes in the United States, according to Bloomberg’s annual ranking. Weston was the first to make the list, clocking in at No. 11.

The report is based on the highest average adjusted gross income in each ZIP code, looking at those with at least 200 tax returns as of the 2016 filing season and 500 housing units; there were more than 22,000. (The average adjusted gross income in Weston is $757,000, according to the report.)

Here are the top 10 richest ZIP codes and their average adjusted gross incomes:

Miami Beach (33109), $2.2 million
Atherton, Calif. (94027), $1.29 million
Palo Alto, Calif. (94301), $1.28 million
Palm Beach, Fla. (33480), $1.06 million
New York City (10007), $879,000
Harrison, N.Y. (10577), $857,300
Medina, Wash. (98039), $848,600
Los Angeles (90067), $826,400
Boca Grande, Fla. (33921), $773,500
Kenilworth, Ill. (60043), $772,200

Four Boston ZIP codes made the list:

18. Downtown waterfront (02110), $622,600

37. Beacon Hill (02108), $519,700

50. Back Bay (02116), $480,600

52. Back Bay (02199), $477,900

The other four Massachusetts ZIP codes that made the top 100 are Wellesley (02481), which was listed at No. 32 with an average adjusted gross income of $539,500; Dover (02030), which came in at No. 55 with an income of $467,100; Newton (02468), which ranked 82d with an income of $388,000; and Sherborn (01770), which slipped onto the list at No. 96, with an income of $355,700.

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