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Greater Boston housing age

94 towns colored by the share of homes built before 1940. Darker is older. Boston's neighborhoods are one city here, because the Census counts Boston as a single county subdivision.

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Share of housing units built in 1939 or earlier. Darker blue means an older housing stock.
Share of housing units built in 1939 or earlier. Darker blue means an older housing stock. Arrow keys move between towns.
  • Under 10% pre-1940
  • 10–20% pre-1940
  • 20–30% pre-1940
  • 30–40% pre-1940
  • 40–50% pre-1940
  • 50% or more pre-1940

Tap a town, or search above. The card shows the pre-1940 share, newer construction, and the median price from that town's profile.

Oldest first

94 towns

Sources

Housing age: U.S. Census Bureau, American Community Survey 2024 5-year estimates (survey years 2020–2024), tables B25034 (Year Structure Built) and B25035 (Median Year Structure Built), Massachusetts county subdivisions. Retrieved 14 October 2026 from the Census Reporter API, release acs2024_5yr, which republishes the Census Bureau estimates. Boundaries: U.S. Census Bureau cartographic boundary file cb_2024_25_cousub_500k (1:500,000), 2024 vintage. Median price: Boston Property Navigator town profiles, the figure shown on each /neighborhoods page.

Share of housing units built in 1939 or earlier (B25034). Share of housing units built in 2000 or later (B25034 categories 2020 or later, 2010–2019, and 2000–2009).

Town-profile median price published on each town page in this site. It is one figure per town, not split by property type. Retrieved 2026-10-14. Release acs2024_5yr (2020-2024). Boundaries: cb_2024_25_cousub_500k, vintage 2024.

Census tables: B25034 and B25035. Cartographic boundaries: Census Bureau TIGER/Line.