RANKING · 2024 ACS · 26 SHOWN OF 26

Fastest shrinking, New Hampshire cities

New Hampshire cities with the steepest population decline from the 2020 census to 2024. 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 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Derry, NHNH21,339-6.7%−162%

02Hanover, NHNH8,479-6.6%−128%

03Durham, NHNH10,681-4.2%+82%

04Milford, NHNH8,956-2.8%−180%

05Newmarket, NHNH5,679-2.0%−148%

06East Merrimack, NHNH5,081-1.8%−152%

07Exeter, NHNH9,964-1.4%−168%

08Suncook, NHNH5,432-1.3%−144%

09Hudson, NHNH7,469-0.9%−135%

10Keene, NHNH23,072-0.5%−179%

11Berlin, NHNH9,502-0.4%−96%

12Nashua, NHNH92,435-0.0%−100%

13Manchester, NHNH116,818-0.0%−100%

14South Hooksett, NHNH5,902+0.2%−99%

15Franklin, NHNH8,839+0.7%−45%

16Concord, NHNH44,597+0.9%−93%

17Claremont, NHNH13,032+1.0%−118%

18Laconia, NHNH17,246+1.3%−70%

19Dover, NHNH34,623+1.9%−74%

20Rochester, NHNH33,716+2.0%−71%

21Somersworth, NHNH12,171+2.2%+7%

22Portsmouth, NHNH23,028+2.7%−114%

23Londonderry, NHNH12,225+5.0%–

24Lebanon, NHNH15,481+5.0%+59%

25Hampton, NHNH10,101+5.3%−63%

26Hooksett, NHNH5,876+11.2%−74%

SHOWING 1–26 OF 26

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES