RANKING · 2020 CENSUS · 65 SHOWN OF 65

Largest Irish population, Connecticut cities · 2020

Connecticut cities ranked by the number of residents who are Irish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 65 cities in Connecticut that qualify, ranked against each other statewide.

ConnecticutAll 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 2000

01Stamford, CTCT139,53513,286–

02Milford, CTCT51,21511,527–

03West Hartford, CTCT63,62011,293–

04Danbury, CTCT89,0339,418–

05Norwalk, CTCT94,5089,414–

06Bristol, CTCT62,3419,112–

07New Haven, CTCT138,7748,415–

08Waterbury, CTCT115,7717,748–

09Meriden, CTCT60,8107,632–

10Shelton, CTCT42,8807,403–

11West Haven, CTCT55,3516,964–

12Middletown, CTCT48,4396,369–

13Manchester, CTCT36,7595,701–

14Norwich, CTCT40,0015,179–

15Naugatuck, CTCT32,2305,102–

16New Britain, CTCT76,2865,049–

17Torrington, CTCT35,7965,021–

18North Haven, CTCT24,3364,839–

19Bridgeport, CTCT152,2734,413–

20East Haven, CTCT27,8064,386–

21Newington, CTCT30,8964,225–

22Wethersfield, CTCT27,2504,224–

23Hartford, CTCT121,9813,810–

24Wallingford Center, CTCT18,2083,674–

25New London, CTCT28,0033,616–

26East Hartford, CTCT50,9183,383–

27Windsor Locks, CTCT12,5793,225–

28Orange, CTCT14,3152,795–

29Sandy Hook, CTCT9,8632,479–

30Ansonia, CTCT19,2162,425–

31Willimantic, CTCT18,0962,195–

32Derby, CTCT12,9252,080–

33Greenwich, CTCT14,7922,035–

34Southwood Acres, CTCT8,1151,872–

35Simsbury Center, CTCT6,1981,794–

36New Milford, CTCT8,1881,776–

37Oakville, CTCT9,2761,758–

38Bethel, CTCT11,4041,751–

39New Canaan, CTCT6,8961,643–

40Thompsonville, CTCT7,9271,618–

41Trumbull Center, CTCT10,2641,566–

42Glastonbury Center, CTCT7,2661,513–

43Northford, CTCT6,1861,506–

44Ridgefield, CTCT6,9701,454–

45Kensington, CTCT9,9621,443–

46Conning Towers-Nautilus Park, CTCT8,4601,441–

47Cheshire, CTCT6,1721,381–

48Groton, CTCT10,1601,361–

49Daniels Farm, CTCT5,9761,342–

50Portland, CTCT5,9441,319–

51Long Hill CDP (Greater Bridgeport County), CTCT8,6811,270–

52Noroton, CTCT5,5391,227–

53Pawcatuck, CTCT5,5771,219–

54Cos Cob, CTCT7,5461,208–

55Riverside, CTCT8,9541,160–

56Branford Center, CTCT6,3051,157–

57Rockville, CTCT7,0721,085–

58Putnam, CTCT7,1201,084–

59Sherwood Manor, CTCT5,7061,060–

60Old Greenwich, CTCT6,936999–

61Winsted, CTCT6,977989–

62Hazardville, CTCT6,022936–

63Storrs, CTCT15,207843–

64Staples, CTCT7,340813–

65Terryville, CTCT5,461755–

SHOWING 1–65 OF 65

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES