RANKING · 2010 CENSUS · 26 SHOWN OF 26

Fastest shrinking, New Hampshire cities · 2010

New Hampshire cities with the steepest population decline since the prior decennial census. This list covers the 26 cities in New Hampshire that qualify, ranked against each other statewide.

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New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Hudson, NHNH7,469-6.1%−348%

02Exeter, NHNH9,964-5.3%−349%

03Londonderry, NHNH12,225-3.3%–

04Derry, NHNH21,339-2.9%−126%

05Laconia, NHNH17,246-2.8%−166%

06Berlin, NHNH9,502-2.7%−78%

07Nashua, NHNH92,435-0.1%−101%

08Portsmouth, NHNH23,028-0.0%−100%

09Suncook, NHNH5,432+0.3%−89%

10Franklin, NHNH8,839+0.9%−30%

11Claremont, NHNH13,032+1.6%−129%

12Manchester, NHNH116,818+2.4%−68%

13Somersworth, NHNH12,171+2.5%+24%

14South Hooksett, NHNH5,902+2.6%−94%

15Newmarket, NHNH5,679+3.4%−20%

16Keene, NHNH23,072+3.7%+532%

17Rochester, NHNH33,716+4.5%−34%

18Lebanon, NHNH15,481+4.6%+47%

19Concord, NHNH44,597+4.9%−62%

20Hanover, NHNH8,479+5.8%−75%

21Hampton, NHNH10,101+5.8%−59%

22Milford, NHNH8,956+6.5%+88%

23East Merrimack, NHNH5,081+10.9%+212%

24Dover, NHNH34,623+11.5%+57%

25Durham, NHNH10,681+14.6%−738%

26Hooksett, NHNH5,876+14.9%−66%

SHOWING 1–26 OF 26

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES