RANKING · 2000 CENSUS · 25 SHOWN OF 25

Most population lost, New Hampshire cities · 2000

New Hampshire cities that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 25 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 CHANGEVS –

01Portsmouth, NHNH23,028-5,141–

02Berlin, NHNH9,502-1,489–

03Claremont, NHNH13,032-751–

04Durham, NHNH10,681-212–

05Franklin, NHNH8,839+101–

06East Merrimack, NHNH5,081+128–

07Keene, NHNH23,072+133–

08Suncook, NHNH5,432+148–

09Hudson, NHNH7,469+188–

10Exeter, NHNH9,964+203–

11Newmarket, NHNH5,679+207–

12Somersworth, NHNH12,171+228–

13Milford, NHNH8,956+278–

14Lebanon, NHNH15,481+385–

15Laconia, NHNH17,246+668–

16Hooksett, NHNH5,876+1,099–

17Hampton, NHNH10,101+1,137–

18Hanover, NHNH8,479+1,540–

19South Hooksett, NHNH5,902+1,581–

20Rochester, NHNH33,716+1,831–

21Dover, NHNH34,623+1,842–

22Derry, NHNH21,339+2,215–

23Concord, NHNH44,597+4,681–

24Nashua, NHNH92,435+6,943–

25Manchester, NHNH116,818+7,439–

SHOWING 1–25 OF 25

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS