Richest ZIP Codes in Massachusetts

Top ZIP codes in Massachusetts ranked by median household income

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Wealth in America varies dramatically by ZIP code. The richest ZIP codes often cluster around major metropolitan areas, coastal communities, and affluent suburbs. These neighborhoods typically feature high educational attainment, strong property values, and diverse professional economies.

This ranking uses median household income from the U.S. Census Bureau's American Community Survey (ACS) to identify the highest-earning ZIP codes. Median income is preferred over mean income because it represents the typical household without being skewed by extreme outliers.

#1 ranked: 02121 (Dorchester, MA) with a median household income of $43,136 and a population of 29,040.

Rank ZIP Code City State Median Income Population Home Value
501 02121 Dorchester MA $43,136 29,040 $590,200
502 01840 Lawrence MA $42,211 8,522 N/A
503 02746 New Bedford MA $41,917 17,531 $358,700
504 01901 Lynn MA $36,119 2,419 N/A
505 01107 Springfield MA $35,632 12,009 $243,600
506 01105 Springfield MA $24,036 11,843 $217,800
507 01103 Springfield MA $21,355 2,477 $185,700

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Frequently Asked Questions

The richest ZIP code is 02121 in Dorchester, MA with a median household income of $43,136.
ZIP code wealth is measured by median household income from the U.S. Census Bureau American Community Survey (ACS) 5-year estimates. Median income represents the midpoint where half of households earn more and half earn less.
States like Connecticut, New Jersey, California, and Massachusetts tend to have the most ZIP codes in the top income brackets, with affluent suburbs and coastal communities driving the numbers.