RANKING · 2020 CENSUS · 26 SHOWN OF 26

Largest Irish population, New Hampshire cities · 2020

New Hampshire cities ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 26 cities in New Hampshire that qualify, ranked against each other statewide.

Irish Americans: full group profile →

New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Manchester, NHNH116,81821,432−6%

02Nashua, NHNH92,43518,004−11%

03Concord, NHNH44,5978,089−11%

04Dover, NHNH34,6237,989+25%

05Derry, NHNH21,3395,939+6%

06Portsmouth, NHNH23,0285,085−7%

07Rochester, NHNH33,7164,936−5%

08Keene, NHNH23,0724,643−16%

09Durham, NHNH10,6813,642+56%

10Laconia, NHNH17,2463,606+31%

11Hampton, NHNH10,1013,335+10%

12Londonderry, NHNH12,2252,918−16%

13Exeter, NHNH9,9642,001−12%

14Somersworth, NHNH12,1711,981−7%

15Lebanon, NHNH15,4811,761−14%

16Hudson, NHNH7,4691,679−10%

17Berlin, NHNH9,5021,568−2%

18Milford, NHNH8,9561,313−29%

19Hanover, NHNH8,4791,264+17%

20Claremont, NHNH13,0321,258−37%

21Hooksett, NHNH5,8761,167+84%

22South Hooksett, NHNH5,9021,132+13%

23Franklin, NHNH8,8391,118−35%

24Newmarket, NHNH5,679795−39%

25Suncook, NHNH5,432784−26%

26East Merrimack, NHNH5,081767−21%

SHOWING 1–26 OF 26

Download CSV (full list, 26 rows)

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