Housing % of Units Built Since 2010, by Zip Code (ZCTA5) — New Hampshire

NOTE: Gray indicates insufficient data or a suppressed estimate.

Newer housing construction concentrates most visibly in the southeastern corner of the state near the seacoast and southern border regions, where several zip codes reach 12–20%+ of units built since 2010, likely driven by proximity to the Boston metro labor market. The northern third of the state displays a wide range, with some zip codes in Coös County showing moderate construction activity (8–12%) alongside pockets of near-zero growth, suggesting uneven development patterns in rural and resort areas. Central New Hampshire, particularly through the Lakes Region and upper Merrimack Valley, trends toward lower construction shares (0–4%), indicating a largely established housing stock with limited new development pressure.

Data: U.S. Census Bureau, 2023 ACS

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