RANKING · 2024 ACS · 65 SHOWN OF 65

Highest Irish population share, Connecticut cities

Connecticut cities ranked by the share of all residents who are Irish ancestry (2024 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.

Irish Americans: full group profile →

ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Branford Center, CTCT6,30526.3%+4.3 pts

02Simsbury Center, CTCT6,19824.4%−6.4 pts

03New Canaan, CTCT6,89622.9%–

04Ridgefield, CTCT6,97022.9%−7.1 pts

05Oakville, CTCT9,27622.6%+4.6 pts

06Daniels Farm, CTCT5,97622.2%–

07Windsor Locks, CTCT12,57921.9%−2.4 pts

08Winsted, CTCT6,97721.5%+0.5 pts

09Milford, CTCT51,21521.2%−5.0 pts

10Wallingford Center, CTCT18,20821.1%−2.4 pts

11Sandy Hook, CTCT9,86321.0%–

12New Milford, CTCT8,18820.0%−2.2 pts

13Hazardville, CTCT6,02219.8%−3.3 pts

14Cos Cob, CTCT7,54619.7%+0.9 pts

15Southwood Acres, CTCT8,11519.5%−7.5 pts

16Orange, CTCT14,31519.2%−1.0 pts

17Glastonbury Center, CTCT7,26619.2%−4.1 pts

18Long Hill CDP (Greater Bridgeport County), CTCT8,68118.0%–

19Groton, CTCT10,16017.9%+1.1 pts

20Noroton, CTCT5,53917.4%–

21Portland, CTCT5,94417.1%−4.2 pts

22Thompsonville, CTCT7,92717.0%−10.2 pts

23Sherwood Manor, CTCT5,70616.8%−6.4 pts

24Torrington, CTCT35,79616.7%+0.0 pts

25East Haven, CTCT27,80616.3%−2.6 pts

26North Haven, CTCT24,33616.2%−2.9 pts

27Pawcatuck, CTCT5,57715.9%−4.8 pts

28Wethersfield, CTCT27,25015.8%−6.5 pts

29Northford, CTCT6,18615.5%–

30West Hartford, CTCT63,62015.1%−3.4 pts

31Old Greenwich, CTCT6,93615.1%−2.0 pts

32Conning Towers-Nautilus Park, CTCT8,46015.1%−1.4 pts

33Naugatuck, CTCT32,23014.9%−4.9 pts

34Shelton, CTCT42,88014.3%−3.4 pts

35Terryville, CTCT5,46114.2%−11.6 pts

36Greenwich, CTCT14,79214.0%−1.8 pts

37Staples, CTCT7,34013.9%–

38Manchester, CTCT36,75913.6%−4.9 pts

39Cheshire, CTCT6,17213.5%−7.3 pts

40Derby, CTCT12,92513.4%−1.2 pts

41Rockville, CTCT7,07213.1%+0.3 pts

42Middletown, CTCT48,43913.0%−2.0 pts

43Newington, CTCT30,89612.9%−4.1 pts

44Trumbull Center, CTCT10,26412.9%–

45Bethel, CTCT11,40412.9%−10.5 pts

46Bristol, CTCT62,34112.6%−5.3 pts

47Putnam, CTCT7,12012.3%−7.8 pts

48Meriden, CTCT60,81012.3%−2.6 pts

49West Haven, CTCT55,35111.9%−5.5 pts

50Norwalk, CTCT94,50811.1%−2.7 pts

51Norwich, CTCT40,00110.6%−4.7 pts

52Kensington, CTCT9,96210.3%−13.1 pts

53New London, CTCT28,00310.3%−1.8 pts

54Ansonia, CTCT19,2169.5%−4.8 pts

55Riverside, CTCT8,9549.2%−11.2 pts

56Willimantic, CTCT18,0968.9%−4.9 pts

57Stamford, CTCT139,5358.4%−1.6 pts

58Danbury, CTCT89,0337.8%−6.1 pts

59East Hartford, CTCT50,9186.9%−3.6 pts

60Waterbury, CTCT115,7716.7%−5.3 pts

61New Haven, CTCT138,7746.4%−0.6 pts

62New Britain, CTCT76,2866.1%−2.6 pts

63Storrs, CTCT15,2075.1%−12.9 pts

64Bridgeport, CTCT152,2734.5%−0.6 pts

65Hartford, CTCT121,9812.6%−1.0 pts

SHOWING 1–65 OF 65

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES