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. The median across all 65 is 14.9%. Biggest climber in the top 100 since 2020: Winsted, CT, up 28 places to #8.

Irish Americans: full group profile →

ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01▲16Branford Center, CTCT6,30526.3%+4.3 pts

02▼1Simsbury Center, CTCT6,19824.4%−6.4 pts

03▲4New Canaan, CTCT6,89622.9%–

04▲11Ridgefield, CTCT6,97022.9%−7.1 pts

05▲15Oakville, CTCT9,27622.6%+4.6 pts

06Daniels Farm, CTCT5,97622.2%–

07▼3Windsor Locks, CTCT12,57921.9%−2.4 pts

08▲28Winsted, CTCT6,97721.5%+0.5 pts

09▲2Milford, CTCT51,21521.2%−5.0 pts

10▲8Wallingford Center, CTCT18,20821.1%−2.4 pts

11▼9Sandy Hook, CTCT9,86321.0%–

12▼9New Milford, CTCT8,18820.0%−2.2 pts

13▲27Hazardville, CTCT6,02219.8%−3.3 pts

14▲11Cos Cob, CTCT7,54619.7%+0.9 pts

15▼7Southwood Acres, CTCT8,11519.5%−7.5 pts

16Orange, CTCT14,31519.2%−1.0 pts

17▲7Glastonbury Center, CTCT7,26619.2%−4.1 pts

18▲17Long Hill CDP (Greater Bridgeport County), CTCT8,68118.0%–

19▲20Groton, CTCT10,16017.9%+1.1 pts

20▼8Noroton, CTCT5,53917.4%–

21▼11Portland, CTCT5,94417.1%−4.2 pts

22▼3Thompsonville, CTCT7,92717.0%−10.2 pts

23▼1Sherwood Manor, CTCT5,70616.8%−6.4 pts

24▲19Torrington, CTCT35,79616.7%0.0 pts

25▲9East Haven, CTCT27,80616.3%−2.6 pts

26▼12North Haven, CTCT24,33616.2%−2.9 pts

27▼22Pawcatuck, CTCT5,57715.9%−4.8 pts

28Wethersfield, CTCT27,25015.8%−6.5 pts

29▼20Northford, CTCT6,18615.5%–

30▼7West Hartford, CTCT63,62015.1%−3.4 pts

31▲14Old Greenwich, CTCT6,93615.1%−2.0 pts

32▲12Conning Towers-Nautilus Park, CTCT8,46015.1%−1.4 pts

33▼6Naugatuck, CTCT32,23014.9%−4.9 pts

34▼13Shelton, CTCT42,88014.3%−3.4 pts

35▲6Terryville, CTCT5,46114.2%−11.6 pts

36▼4Greenwich, CTCT14,79214.0%−1.8 pts

37▲18Staples, CTCT7,34013.9%–

38▼7Manchester, CTCT36,75913.6%−4.9 pts

39▼26Cheshire, CTCT6,17213.5%−7.3 pts

40▼14Derby, CTCT12,92513.4%−1.2 pts

41▼8Rockville, CTCT7,07213.1%+0.3 pts

42▲5Middletown, CTCT48,43913.0%−2.0 pts

43▲3Newington, CTCT30,89612.9%−4.1 pts

44▼14Trumbull Center, CTCT10,26412.9%–

45▼16Bethel, CTCT11,40412.9%−10.5 pts

46▼8Bristol, CTCT62,34112.6%−5.3 pts

47▼10Putnam, CTCT7,12012.3%−7.8 pts

48▲4Meriden, CTCT60,81012.3%−2.6 pts

49▲4West Haven, CTCT55,35111.9%−5.5 pts

50▲7Norwalk, CTCT94,50811.1%−2.7 pts

51▼2Norwich, CTCT40,00110.6%−4.7 pts

52▼10Kensington, CTCT9,96210.3%−13.1 pts

53▼5New London, CTCT28,00310.3%−1.8 pts

54▼3Ansonia, CTCT19,2169.5%−4.8 pts

55▼5Riverside, CTCT8,9549.2%−11.2 pts

56▼2Willimantic, CTCT18,0968.9%−4.9 pts

57▲1Stamford, CTCT139,5358.4%−1.6 pts

58▼2Danbury, CTCT89,0337.8%−6.1 pts

59▲2East Hartford, CTCT50,9186.9%−3.6 pts

60▼1Waterbury, CTCT115,7716.7%−5.3 pts

61▲1New Haven, CTCT138,7746.4%−0.6 pts

62▼2New Britain, CTCT76,2866.1%−2.6 pts

63Storrs, CTCT15,2075.1%−12.9 pts

64▲1Bridgeport, CTCT152,2734.5%−0.6 pts

65▼1Hartford, CTCT121,9812.6%−1.0 pts

SHOWING 1–65 OF 65

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES