RANKING · 2020 CENSUS · 54 SHOWN OF 54

Largest Czech population, Connecticut cities · 2020

Connecticut cities ranked by the number of residents who are Czech ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 54 cities in Connecticut that qualify, ranked against each other statewide. The median across all 54 is 50.

Czech Americans: full group profile →

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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

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Stamford, CTCT139,535502−5%

02Milford, CTCT51,215263−1%

03Shelton, CTCT42,880226−56%

04Danbury, CTCT89,033213−16%

05West Hartford, CTCT63,620186−13%

06New Haven, CTCT138,774178−11%

07Bridgeport, CTCT152,273172−45%

08Waterbury, CTCT115,771151+89%

09Noroton, CTCT5,539124–

10Norwalk, CTCT94,508124−72%

11Bristol, CTCT62,34199−68%

12New Britain, CTCT76,28695+12%

13Sandy Hook, CTCT9,86387–

14Rockville, CTCT7,07283+113%

15Middletown, CTCT48,43982−65%

16Kensington, CTCT9,96280+433%

17Staples, CTCT7,34069–

18Naugatuck, CTCT32,23065−56%

19Ansonia, CTCT19,21661−54%

20Norwich, CTCT40,00161−42%

21Cos Cob, CTCT7,54660+131%

22Long Hill CDP (Greater Bridgeport County), CTCT8,68159–

23Newington, CTCT30,89657+68%

24Wethersfield, CTCT27,25056−16%

25New London, CTCT28,00353−75%

26West Haven, CTCT55,35151−85%

27Wallingford Center, CTCT18,20850−48%

28Windsor Locks, CTCT12,57946−37%

29Trumbull Center, CTCT10,26446–

30Greenwich, CTCT14,79245−43%

31Bethel, CTCT11,40441−21%

32Meriden, CTCT60,81041−69%

33East Hartford, CTCT50,91834−31%

34Torrington, CTCT35,79634−73%

35Orange, CTCT14,31533−28%

36Old Greenwich, CTCT6,93630+15%

37Ridgefield, CTCT6,97030−46%

38Portland, CTCT5,94429+263%

39East Haven, CTCT27,80625−75%

40Hartford, CTCT121,98124−74%

41Terryville, CTCT5,46122–

42North Haven, CTCT24,33621−74%

43Conning Towers-Nautilus Park, CTCT8,46019–

44Daniels Farm, CTCT5,97618–

45Derby, CTCT12,92518+13%

46Oakville, CTCT9,27616−68%

47Southwood Acres, CTCT8,11515−81%

48Sherwood Manor, CTCT5,70614–

49Cheshire, CTCT6,1729−72%

50Manchester, CTCT36,7599−91%

51Riverside, CTCT8,9549+13%

52Willimantic, CTCT18,0967−93%

53Hazardville, CTCT6,0225–

54Simsbury Center, CTCT6,1985−93%

SHOWING 1–54 OF 54

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS