RANKING · 2020 CENSUS · 26 SHOWN OF 26

Highest Irish population share, New Hampshire cities · 2020

New Hampshire cities ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 26 cities in New Hampshire that qualify, ranked against each other statewide. The median across all 26 is 19.2%.

Irish Americans: full group profile →

New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Hampton, NHNH10,10133.3%−0.9 pts

02Durham, NHNH10,68130.3%+4.2 pts

03Derry, NHNH21,33925.9%+1.4 pts

04Dover, NHNH34,62325.0%+3.6 pts

05Londonderry, NHNH12,22524.2%−7.5 pts

06Portsmouth, NHNH23,02823.7%−2.3 pts

07Hudson, NHNH7,46923.2%−2.4 pts

08Laconia, NHNH17,24621.7%+4.8 pts

09Exeter, NHNH9,96421.4%−2.5 pts

10Hooksett, NHNH5,87621.2%+5.0 pts

11Keene, NHNH23,07220.3%−3.1 pts

12Nashua, NHNH92,43520.2%−2.9 pts

13South Hooksett, NHNH5,90219.2%+0.7 pts

14Manchester, NHNH116,81819.1%−1.7 pts

15Concord, NHNH44,59718.6%−2.6 pts

16Somersworth, NHNH12,17116.5%−1.5 pts

17East Merrimack, NHNH5,08116.0%−7.1 pts

18Rochester, NHNH33,71615.8%−1.6 pts

19Suncook, NHNH5,43215.8%−2.5 pts

20Berlin, NHNH9,50215.6%−0.1 pts

21Milford, NHNH8,95615.2%−5.4 pts

22Hanover, NHNH8,47914.5%+1.7 pts

23Newmarket, NHNH5,67913.9%−12.0 pts

24Franklin, NHNH8,83912.9%−7.1 pts

25Lebanon, NHNH15,48112.8%−2.8 pts

26Claremont, NHNH13,0329.7%−5.1 pts

SHOWING 1–26 OF 26

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