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RANKING · 2010 CENSUS · 10 SHOWN OF 10

Fastest shrinking, New Hampshire counties · 2010

New Hampshire counties with the steepest population decline since the prior decennial census. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

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SAME RANKING BYCitiesStatesMetros
RELATEDLargest by populationFastest growingMost densely populatedMost sparsely populatedBest broadband accessWorst broadband access
YEAR200020102020
Fastest shrinking by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPPOPULATION GROWTHVS 2000
01Coos County, NHNH31,343-0.2%−97%
02Cheshire County, NHNH78,269+4.5%−16%
03Hillsborough County, NHNH433,415+5.2%−61%
04Rockingham County, NHNH324,077+6.4%−50%
05Belknap County, NHNH65,147+6.7%−54%
06Merrimack County, NHNH158,078+7.5%−44%
07Sullivan County, NHNH43,961+8.1%+68%
08Grafton County, NHNH93,225+9.0%−1%
09Carroll County, NHNH52,784+9.5%−59%
10Strafford County, NHNH135,043+9.7%+27%
SHOWING 1–10 OF 10
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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES