Household Median Income by Zip Code (ZCTA5) — Massachusetts

NOTE: Gray indicates insufficient data or a suppressed estimate.

The western portion of Massachusetts, particularly the Berkshires and rural Franklin County, displays notably lower household median incomes in the $40,000–$60,000 range, contrasting sharply with the affluent suburban belt west and south of Boston where numerous zip codes exceed $125,000. Several urban cores—including Springfield, Holyoke, and pockets within Boston—register among the lowest incomes statewide, often below $40,000, while Cape Cod and the Islands present a mixed pattern with moderate incomes punctuated by wealthier enclaves. The highest-income zip codes form a distinct arc through the MetroWest corridor and Norfolk County suburbs, with communities like Wellesley, Lexington, and surrounding towns consistently reaching the top of the color scale.

Data: U.S. Census Bureau, 2023 ACS

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