RANKING · 1990 CENSUS · 10 SHOWN OF 10

Newest housing stock, New Hampshire counties · 1990

New Hampshire counties ranked by median year housing was built (1990 ACS). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is 1969.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Carroll County, NHNH52,7841972–

02Rockingham County, NHNH324,0771972–

03Belknap County, NHNH65,1471971–

04Grafton County, NHNH93,2251969–

05Merrimack County, NHNH158,0781969–

06Hillsborough County, NHNH433,4151968–

07Strafford County, NHNH135,0431966–

08Sullivan County, NHNH43,9611962–

09Cheshire County, NHNH78,2691961–

10Coos County, NHNH31,3431951–

SHOWING 1–10 OF 10

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS