Housing % of Units Built Since 2010, by Zip Code (ZCTA5) — Baltimore Metro

NOTE: Gray indicates insufficient data or a suppressed estimate.

New construction activity concentrates most heavily in the southern corridor near Columbia, where several zip codes exceed 20–30% of housing stock built since 2010, alongside a notable cluster in the northeastern exurbs. Central Baltimore and its immediate surroundings display markedly low rates of post-2010 construction, with many zip codes falling below 4%, reflecting the dominance of older housing stock in the urban core. The gray-shaded peripheral zip codes with minimal data contrast sharply with the high-growth suburban ring, underscoring a pattern of outward development pressure away from the established city center.

Data: U.S. Census Bureau, 2023 ACS

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