RANKING · 2024 ACS · 65 SHOWN OF 65

Largest Irish population, Connecticut cities

Connecticut cities ranked by the number of residents who are Irish ancestry, from the 2024 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. The median across all 65 is 1,702. Biggest climber in the top 100 since 2020: Branford Center, CT, up 21 places to #35.

Irish Americans: full group profile →

ConnecticutAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Stamford, CTCT139,53511,527−5%

02Milford, CTCT51,21510,799−19%

03▲2Norwalk, CTCT94,50810,219−13%

04▼1West Hartford, CTCT63,6209,628−17%

05▲2New Haven, CTCT138,7748,567−5%

06Bristol, CTCT62,3417,745−28%

07▲1Waterbury, CTCT115,7717,692−42%

08▲1Meriden, CTCT60,8107,429−18%

09▼5Danbury, CTCT89,0336,800−38%

10▲9Bridgeport, CTCT152,2736,769−8%

11West Haven, CTCT55,3516,578−31%

12Middletown, CTCT48,4396,249−12%

13▼3Shelton, CTCT42,8805,994−13%

14▲3Torrington, CTCT35,7965,947−2%

15▼2Manchester, CTCT36,7594,995−10%

16▼1Naugatuck, CTCT32,2304,727−25%

17▲3East Haven, CTCT27,8064,538−17%

18▼2New Britain, CTCT76,2864,534−28%

19▲3Wethersfield, CTCT27,2504,302−28%

20▼6Norwich, CTCT40,0014,230−31%

21Newington, CTCT30,8963,994−23%

22▼4North Haven, CTCT24,3363,942−14%

23▲1Wallingford Center, CTCT18,2083,838−9%

24▲2East Hartford, CTCT50,9183,528−34%

25▼2Hartford, CTCT121,9813,133−29%

26▼1New London, CTCT28,0032,847−15%

27Windsor Locks, CTCT12,5792,755−9%

28Orange, CTCT14,3152,754−2%

29▲8Oakville, CTCT9,2762,094+24%

30▲3Greenwich, CTCT14,7922,073−1%

31▼2Sandy Hook, CTCT9,8632,070–

32▼2Ansonia, CTCT19,2161,809−34%

33▲15Groton, CTCT10,1601,702−1%

34▼2Derby, CTCT12,9251,672−10%

35▲21Branford Center, CTCT6,3051,657+17%

36New Milford, CTCT8,1881,640+15%

37▼6Willimantic, CTCT18,0961,609−33%

38▲6Ridgefield, CTCT6,9701,594−31%

39▼5Southwood Acres, CTCT8,1151,585−25%

40▼1New Canaan, CTCT6,8961,580–

41▲10Long Hill CDP (Greater Bridgeport County), CTCT8,6811,560–

42▼7Simsbury Center, CTCT6,1981,514−18%

43▲18Winsted, CTCT6,9771,500−2%

44▲10Cos Cob, CTCT7,5461,488+29%

45▼7Bethel, CTCT11,4041,467−29%

46▼4Glastonbury Center, CTCT7,2661,397−15%

47▼7Thompsonville, CTCT7,9271,346−44%

48▲1Daniels Farm, CTCT5,9761,329–

49▼8Trumbull Center, CTCT10,2641,321–

50▼4Conning Towers-Nautilus Park, CTCT8,4601,274−16%

51▲11Hazardville, CTCT6,0221,193+8%

52▲8Old Greenwich, CTCT6,9361,047−7%

53▼8Kensington, CTCT9,9621,028−50%

54▲10Staples, CTCT7,3401,017–

55▼5Portland, CTCT5,9441,015−20%

56▼4Noroton, CTCT5,539963–

57▲2Sherwood Manor, CTCT5,706957−27%

58▼15Northford, CTCT6,186956–

59▼2Rockville, CTCT7,072928−6%

60▼7Pawcatuck, CTCT5,577888−26%

61▼3Putnam, CTCT7,120877−42%

62▼15Cheshire, CTCT6,172831−25%

63▼8Riverside, CTCT8,954822−52%

64▼1Storrs, CTCT15,207779−69%

65Terryville, CTCT5,461778−41%

SHOWING 1–65 OF 65

Download CSV (full list, 65 rows)

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