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%−17.6 pts

02Hanover, NHNH8,479-6.6%−29.9 pts

03Durham, NHNH10,681-4.2%−1.9 pts

04Milford, NHNH8,956-2.8%−6.2 pts

05Newmarket, NHNH5,679-2.0%−6.2 pts

06East Merrimack, NHNH5,081-1.8%−5.3 pts

07Exeter, NHNH9,964-1.4%−3.6 pts

08Suncook, NHNH5,432-1.3%−4.1 pts

09Hudson, NHNH7,469-0.9%−3.3 pts

10Keene, NHNH23,072-0.5%−1.1 pts

11Berlin, NHNH9,502-0.4%+12.2 pts

12Nashua, NHNH92,435-0.0%−8.7 pts

13Manchester, NHNH116,818-0.0%−7.5 pts

14South Hooksett, NHNH5,902+0.2%−42.5 pts

15Franklin, NHNH8,839+0.7%−0.6 pts

16Concord, NHNH44,597+0.9%−12.1 pts

17Claremont, NHNH13,032+1.0%+6.4 pts

18Laconia, NHNH17,246+1.3%−3.0 pts

19Dover, NHNH34,623+1.9%−5.5 pts

20Rochester, NHNH33,716+2.0%−4.9 pts

21Somersworth, NHNH12,171+2.2%+0.1 pts

22Portsmouth, NHNH23,028+2.7%+22.5 pts

23Londonderry, NHNH12,225+5.0%–

24Lebanon, NHNH15,481+5.0%+1.9 pts

25Hampton, NHNH10,101+5.3%−9.0 pts

26Hooksett, NHNH5,876+11.2%−32.6 pts

SHOWING 1–26 OF 26

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES