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 (2023 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.

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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 SHAREVS 2000

01Simsbury Center, CTCT6,19828.6%–

02Sandy Hook, CTCT9,86327.0%–

03New Milford, CTCT8,18826.3%–

04Windsor Locks, CTCT12,57925.3%–

05Pawcatuck, CTCT5,57724.3%–

06Daniels Farm, CTCT5,97623.7%–

07New Canaan, CTCT6,89622.6%–

08Southwood Acres, CTCT8,11522.4%–

09Northford, CTCT6,18622.3%–

10Portland, CTCT5,94422.2%–

11Milford, CTCT51,21521.8%–

12Noroton, CTCT5,53921.4%–

13Cheshire, CTCT6,17221.3%–

14North Haven, CTCT24,33620.4%–

15Ridgefield, CTCT6,97020.1%–

16Orange, CTCT14,31520.1%–

17Branford Center, CTCT6,30519.8%–

18Wallingford Center, CTCT18,20819.4%–

19Thompsonville, CTCT7,92718.9%–

20Oakville, CTCT9,27618.2%–

21Shelton, CTCT42,88018.0%–

22Sherwood Manor, CTCT5,70618.0%–

23West Hartford, CTCT63,62017.9%–

24Glastonbury Center, CTCT7,26617.8%–

25Cos Cob, CTCT7,54617.1%–

26Derby, CTCT12,92516.7%–

27Naugatuck, CTCT32,23016.4%–

28Wethersfield, CTCT27,25016.2%–

29Bethel, CTCT11,40416.2%–

30Trumbull Center, CTCT10,26415.9%–

31Manchester, CTCT36,75915.9%–

32Greenwich, CTCT14,79215.7%–

33Rockville, CTCT7,07215.3%–

34East Haven, CTCT27,80615.3%–

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

36Winsted, CTCT6,97715.2%–

37Putnam, CTCT7,12015.2%–

38Bristol, CTCT62,34115.2%–

39Groton, CTCT10,16015.1%–

40Hazardville, CTCT6,02215.1%–

41Terryville, CTCT5,46115.0%–

42Kensington, CTCT9,96214.9%–

43Torrington, CTCT35,79614.7%–

44Conning Towers-Nautilus Park, CTCT8,46014.5%–

45Old Greenwich, CTCT6,93614.3%–

46Newington, CTCT30,89614.0%–

47Middletown, CTCT48,43913.7%–

48New London, CTCT28,00313.4%–

49Norwich, CTCT40,00113.2%–

50Riverside, CTCT8,95413.1%–

51Ansonia, CTCT19,21613.0%–

52Meriden, CTCT60,81012.8%–

53West Haven, CTCT55,35112.7%–

54Willimantic, CTCT18,09611.8%–

55Staples, CTCT7,34011.7%–

56Danbury, CTCT89,03311.1%–

57Norwalk, CTCT94,50810.6%–

58Stamford, CTCT139,53510.2%–

59Waterbury, CTCT115,7717.2%–

60New Britain, CTCT76,2867.0%–

61East Hartford, CTCT50,9186.8%–

62New Haven, CTCT138,7746.5%–

63Storrs, CTCT15,2075.1%–

64Hartford, CTCT121,9813.1%–

65Bridgeport, CTCT152,2733.0%–

SHOWING 1–65 OF 65

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