RANKING · 2020 CENSUS · 25 SHOWN OF 25

Highest Scotch-Irish population share, New Hampshire cities · 2020

New Hampshire cities ranked by the share of all residents who are Scotch-Irish ancestry (2020 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 25 cities in New Hampshire that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →

New HampshireAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Hampton, NHNH10,1012.4%−3.2 pts

02Exeter, NHNH9,9642.3%−1.2 pts

03Concord, NHNH44,5972.0%−0.7 pts

04Dover, NHNH34,6231.9%−0.1 pts

05Portsmouth, NHNH23,0281.9%−1.0 pts

06Londonderry, NHNH12,2251.6%−0.3 pts

07Newmarket, NHNH5,6791.6%−0.3 pts

08Derry, NHNH21,3391.6%−0.9 pts

09Rochester, NHNH33,7161.6%−0.7 pts

10East Merrimack, NHNH5,0811.5%−2.3 pts

11Keene, NHNH23,0721.3%−1.8 pts

12Hooksett, NHNH5,8761.3%−2.1 pts

13Lebanon, NHNH15,4811.2%−0.5 pts

14Durham, NHNH10,6811.0%−2.6 pts

15Nashua, NHNH92,4350.8%−1.4 pts

16Manchester, NHNH116,8180.8%−1.3 pts

17Hanover, NHNH8,4790.7%−2.4 pts

18Berlin, NHNH9,5020.7%−0.5 pts

19Laconia, NHNH17,2460.6%−1.0 pts

20Franklin, NHNH8,8390.4%−1.5 pts

21Claremont, NHNH13,0320.4%−1.1 pts

22South Hooksett, NHNH5,9020.4%−4.5 pts

23Suncook, NHNH5,4320.3%−3.7 pts

24Somersworth, NHNH12,1710.3%−1.6 pts

25Milford, NHNH8,9560.3%−3.8 pts

SHOWING 1–25 OF 25

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS