RANKING · 2000 CENSUS · 10 SHOWN OF 10

Fastest shrinking, New Hampshire counties · 2000

New Hampshire counties with the steepest population decline from the 1990 census to 2000. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Coos County, NHNH31,343-4.9%–

02Sullivan County, NHNH43,961+4.8%–

03Cheshire County, NHNH78,269+5.3%–

04Strafford County, NHNH135,043+7.7%–

05Grafton County, NHNH93,225+9.1%–

06Rockingham County, NHNH324,077+12.8%–

07Hillsborough County, NHNH433,415+13.3%–

08Merrimack County, NHNH158,078+13.5%–

09Belknap County, NHNH65,147+14.4%–

10Carroll County, NHNH52,784+23.3%–

SHOWING 1–10 OF 10

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS