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RANKING · 2000 CENSUS · 10 SHOWN OF 10

Most population lost, New Hampshire counties · 2000

New Hampshire counties that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is +8,000.

Flip the list · Most population gained, US counties →
SAME RANKING BYCitiesStatesMetros
Most population lost by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPPOPULATION CHANGEVS –
01Coos County, NHNH31,343-1,717–
02Sullivan County, NHNH43,961+1,866–
03Cheshire County, NHNH78,269+3,704–
04Grafton County, NHNH93,225+6,814–
05Belknap County, NHNH65,147+7,109–
06Strafford County, NHNH135,043+8,000–
07Carroll County, NHNH52,784+8,256–
08Merrimack County, NHNH158,078+16,220–
09Rockingham County, NHNH324,077+31,514–
10Hillsborough County, NHNH433,415+44,768–
SHOWING 1–10 OF 10

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