RANKING · 2020 CENSUS · 65 SHOWN OF 65

Highest Irish population share, Connecticut cities · 2020

Connecticut 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 65 cities in Connecticut that qualify, ranked against each other statewide. The median across all 65 is 15.3%.

Irish Americans: full group profile →

ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Simsbury Center, CTCT6,19828.6%−2.2 pts

02Sandy Hook, CTCT9,86327.0%–

03New Milford, CTCT8,18826.3%+4.1 pts

04Windsor Locks, CTCT12,57925.3%+1.0 pts

05Pawcatuck, CTCT5,57724.3%+3.6 pts

06Daniels Farm, CTCT5,97623.7%–

07New Canaan, CTCT6,89622.6%–

08Southwood Acres, CTCT8,11522.4%−4.6 pts

09Northford, CTCT6,18622.3%–

10Portland, CTCT5,94422.2%+0.9 pts

11Milford, CTCT51,21521.8%−4.3 pts

12Noroton, CTCT5,53921.4%–

13Cheshire, CTCT6,17221.3%+0.5 pts

14North Haven, CTCT24,33620.4%+1.4 pts

15Ridgefield, CTCT6,97020.1%−9.9 pts

16Orange, CTCT14,31520.1%−0.2 pts

17Branford Center, CTCT6,30519.8%−2.2 pts

18Wallingford Center, CTCT18,20819.4%−4.1 pts

19Thompsonville, CTCT7,92718.9%−8.3 pts

20Oakville, CTCT9,27618.2%+0.2 pts

21Shelton, CTCT42,88018.0%+0.3 pts

22Sherwood Manor, CTCT5,70618.0%−5.2 pts

23West Hartford, CTCT63,62017.9%−0.6 pts

24Glastonbury Center, CTCT7,26617.8%−5.5 pts

25Cos Cob, CTCT7,54617.1%−1.7 pts

26Derby, CTCT12,92516.7%+2.2 pts

27Naugatuck, CTCT32,23016.4%−3.4 pts

28Wethersfield, CTCT27,25016.2%−6.1 pts

29Bethel, CTCT11,40416.2%−7.2 pts

30Trumbull Center, CTCT10,26415.9%–

31Manchester, CTCT36,75915.9%−2.7 pts

32Greenwich, CTCT14,79215.7%−0.1 pts

33Rockville, CTCT7,07215.3%+2.5 pts

34East Haven, CTCT27,80615.3%−3.6 pts

35Long Hill CDP (Greater Bridgeport County), CTCT8,68115.3%–

36Winsted, CTCT6,97715.2%−5.8 pts

37Putnam, CTCT7,12015.2%−4.9 pts

38Bristol, CTCT62,34115.2%−2.7 pts

39Groton, CTCT10,16015.1%−1.7 pts

40Hazardville, CTCT6,02215.1%−8.0 pts

41Terryville, CTCT5,46115.0%−10.8 pts

42Kensington, CTCT9,96214.9%−8.6 pts

43Torrington, CTCT35,79614.7%−2.1 pts

44Conning Towers-Nautilus Park, CTCT8,46014.5%−2.0 pts

45Old Greenwich, CTCT6,93614.3%−2.8 pts

46Newington, CTCT30,89614.0%−3.0 pts

47Middletown, CTCT48,43913.7%−1.3 pts

48New London, CTCT28,00313.4%+1.3 pts

49Norwich, CTCT40,00113.2%−2.0 pts

50Riverside, CTCT8,95413.1%−7.3 pts

51Ansonia, CTCT19,21613.0%−1.3 pts

52Meriden, CTCT60,81012.8%−2.1 pts

53West Haven, CTCT55,35112.7%−4.7 pts

54Willimantic, CTCT18,09611.8%−2.0 pts

55Staples, CTCT7,34011.7%–

56Danbury, CTCT89,03311.1%−2.7 pts

57Norwalk, CTCT94,50810.6%−3.2 pts

58Stamford, CTCT139,53510.2%+0.2 pts

59Waterbury, CTCT115,7717.2%−4.8 pts

60New Britain, CTCT76,2867.0%−1.7 pts

61East Hartford, CTCT50,9186.8%−3.7 pts

62New Haven, CTCT138,7746.5%−0.5 pts

63Storrs, CTCT15,2075.1%−12.9 pts

64Hartford, CTCT121,9813.1%−0.4 pts

65Bridgeport, CTCT152,2733.0%−2.1 pts

SHOWING 1–65 OF 65

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