RANKING · 1990 CENSUS · 25 SHOWN OF 25

Least racially diverse, New Hampshire cities · 1990

New Hampshire cities with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 25 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 25 is 7.

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New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Exeter, NHNH9,9642–

02Hooksett, NHNH5,8762–

03Berlin, NHNH9,5023–

04Laconia, NHNH17,2464–

05Claremont, NHNH13,0324–

06Rochester, NHNH33,7164–

07Franklin, NHNH8,8394–

08Keene, NHNH23,0724–

09South Hooksett, NHNH5,9026–

10Milford, NHNH8,9566–

11Suncook, NHNH5,4326–

12Concord, NHNH44,5976–

13Hampton, NHNH10,1017–

14Somersworth, NHNH12,1718–

15Lebanon, NHNH15,4818–

16Derry, NHNH21,3398–

17Hudson, NHNH7,4698–

18Durham, NHNH10,6819–

19Dover, NHNH34,62310–

20East Merrimack, NHNH5,08111–

21Manchester, NHNH116,81811–

22Nashua, NHNH92,43516–

23Newmarket, NHNH5,67918–

24Portsmouth, NHNH23,02821–

25Hanover, NHNH8,47927–

SHOWING 1–25 OF 25

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS