Bachelor's Degree or Higher (% of Over 25) by Zip Code (ZCTA5) — Massachusetts

NOTE: Gray indicates insufficient data or a suppressed estimate.

The Greater Boston metro area and its western suburbs display the highest concentrations of bachelor's degree attainment, with many zip codes exceeding 50%, while southeastern Massachusetts—particularly the Fall River and New Bedford corridors—exhibits markedly lower rates, often below 20%. Western Massachusetts presents a more heterogeneous pattern, with college towns like Amherst and Northampton standing out as high-education enclaves surrounded by rural zip codes with significantly lower attainment. Cape Cod and the Islands trend moderate to high, generally ranging from 30–50%, contrasting sharply with the adjacent South Coast urban centers.

Data: U.S. Census Bureau, 2023 ACS

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