Population Non-Hispanic Asian % by Zip Code (ZCTA5) — Boston Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

The highest concentrations of Non-Hispanic Asian residents cluster in a corridor stretching from Quincy's coastal zip codes (approaching 25–50%) westward through parts of Newton and into several suburban zip codes to the northwest, with Quincy standing out as a particularly prominent hub. Central Boston zip codes display stark internal variation, with Chinatown-adjacent areas registering among the highest percentages while neighboring zip codes in South Boston and the waterfront drop to under 5%. The eastern coastal communities including Winthrop, Hull, and Weymouth Town consistently register among the lowest shares at under 2–5%, creating a sharp contrast with the higher-concentration areas just a few miles inland.

Data: U.S. Census Bureau, 2023 ACS

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