RANKING · 1990 CENSUS · 25 SHOWN OF 25

Youngest by median age, New Hampshire cities · 1990

New Hampshire cities with the youngest median age (2023 ACS). This list covers the 25 cities in New Hampshire that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Durham, NHNH10,68120.6−1%

02Hanover, NHNH8,47921.6−2%

03Newmarket, NHNH5,67928.4−7%

04Derry, NHNH21,33929.6−11%

05Portsmouth, NHNH23,02831.1−19%

06Milford, NHNH8,95631.1−12%

07Somersworth, NHNH12,17131.5−10%

08Dover, NHNH34,62331.6−11%

09Hudson, NHNH7,46931.7−10%

10East Merrimack, NHNH5,08131.7−14%

11Manchester, NHNH116,81832.0−8%

12Keene, NHNH23,07232.1−9%

13Nashua, NHNH92,43532.1−10%

14Suncook, NHNH5,43232.2−13%

15Rochester, NHNH33,71632.6−11%

16Concord, NHNH44,59733.2−10%

17Lebanon, NHNH15,48133.4−10%

18Franklin, NHNH8,83933.5−10%

19Hooksett, NHNH5,87633.7−11%

20South Hooksett, NHNH5,90233.8+9%

21Laconia, NHNH17,24634.3−12%

22Exeter, NHNH9,96434.4−12%

23Claremont, NHNH13,03234.9−10%

24Hampton, NHNH10,10136.7−10%

25Berlin, NHNH9,50237.4−12%

SHOWING 1–25 OF 25

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