RANKING · 2010 CENSUS · 57 SHOWN OF 57

Largest Irish population, Connecticut cities · 2010

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 57 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

01Milford, CTCT51,21513,332–

02Waterbury, CTCT115,77113,152–

03Stamford, CTCT139,53512,128–

04Norwalk, CTCT94,50811,681–

05West Hartford, CTCT63,62011,653–

06Danbury, CTCT89,03310,990–

07Bristol, CTCT62,34110,816–

08West Haven, CTCT55,3519,580–

09Meriden, CTCT60,8109,018–

10New Haven, CTCT138,7748,987–

11Bridgeport, CTCT152,2737,322–

12Middletown, CTCT48,4397,127–

13Shelton, CTCT42,8806,926–

14New Britain, CTCT76,2866,340–

15Naugatuck, CTCT32,2306,279–

16Norwich, CTCT40,0016,090–

17Torrington, CTCT35,7966,087–

18Wethersfield, CTCT27,2505,942–

19Manchester, CTCT36,7595,544–

20East Haven, CTCT27,8065,491–

21East Hartford, CTCT50,9185,343–

22Newington, CTCT30,8965,165–

23North Haven, CTCT24,3364,564–

24Hartford, CTCT121,9814,428–

25Wallingford Center, CTCT18,2084,213–

26New London, CTCT28,0033,332–

27Windsor Locks, CTCT12,5793,020–

28Orange, CTCT14,3152,798–

29Ansonia, CTCT19,2162,733–

30Storrs, CTCT15,2072,545–

31Willimantic, CTCT18,0962,414–

32Thompsonville, CTCT7,9272,403–

33Ridgefield, CTCT6,9702,317–

34Southwood Acres, CTCT8,1152,127–

35Greenwich, CTCT14,7922,096–

36Kensington, CTCT9,9622,055–

37Bethel, CTCT11,4042,053–

38Derby, CTCT12,9251,868–

39Simsbury Center, CTCT6,1981,849–

40Groton, CTCT10,1601,725–

41Riverside, CTCT8,9541,714–

42Oakville, CTCT9,2761,687–

43Glastonbury Center, CTCT7,2661,646–

44Winsted, CTCT6,9771,538–

45Conning Towers-Nautilus Park, CTCT8,4601,525–

46Putnam, CTCT7,1201,507–

47New Milford, CTCT8,1881,430–

48Branford Center, CTCT6,3051,415–

49Terryville, CTCT5,4611,329–

50Sherwood Manor, CTCT5,7061,312–

51Portland, CTCT5,9441,266–

52Pawcatuck, CTCT5,5771,201–

53Cos Cob, CTCT7,5461,150–

54Old Greenwich, CTCT6,9361,123–

55Cheshire, CTCT6,1721,108–

56Hazardville, CTCT6,0221,106–

57Rockville, CTCT7,072990–

SHOWING 1–57 OF 57

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