RANKING · 2020 CENSUS · 54 SHOWN OF 54

Highest Czech population share, Connecticut cities · 2020

Connecticut cities ranked by the share of all residents who are Czech ancestry (2020 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 54 cities in Connecticut that qualify, ranked against each other statewide. The median across all 54 is 0.2%.

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 SHAREVS 2010

01Noroton, CTCT5,5392.2%–

02Rockville, CTCT7,0721.2%+0.7 pts

03Staples, CTCT7,3401.0%–

04Sandy Hook, CTCT9,8630.9%–

05Cos Cob, CTCT7,5460.8%+0.4 pts

06Kensington, CTCT9,9620.8%+0.7 pts

07Long Hill CDP (Greater Bridgeport County), CTCT8,6810.7%–

08Shelton, CTCT42,8800.5%−0.8 pts

09Milford, CTCT51,2150.5%0.0 pts

10Portland, CTCT5,9440.5%+0.4 pts

11Trumbull Center, CTCT10,2640.5%–

12Terryville, CTCT5,4610.4%–

13Old Greenwich, CTCT6,9360.4%0.0 pts

14Ridgefield, CTCT6,9700.4%−0.3 pts

15Stamford, CTCT139,5350.4%−0.1 pts

16Bethel, CTCT11,4040.4%−0.2 pts

17Windsor Locks, CTCT12,5790.4%−0.2 pts

18Greenwich, CTCT14,7920.3%−0.2 pts

19Ansonia, CTCT19,2160.3%−0.4 pts

20Daniels Farm, CTCT5,9760.3%–

21West Hartford, CTCT63,6200.3%0.0 pts

22Wallingford Center, CTCT18,2080.3%−0.3 pts

23Danbury, CTCT89,0330.3%−0.1 pts

24Sherwood Manor, CTCT5,7060.2%–

25Orange, CTCT14,3150.2%−0.1 pts

26Wethersfield, CTCT27,2500.2%0.0 pts

27Naugatuck, CTCT32,2300.2%−0.3 pts

28New London, CTCT28,0030.2%−0.6 pts

29Conning Towers-Nautilus Park, CTCT8,4600.2%–

30Newington, CTCT30,8960.2%+0.1 pts

31Southwood Acres, CTCT8,1150.2%−0.8 pts

32Middletown, CTCT48,4390.2%−0.3 pts

33Oakville, CTCT9,2760.2%−0.4 pts

34Bristol, CTCT62,3410.2%−0.4 pts

35Norwich, CTCT40,0010.2%−0.1 pts

36Derby, CTCT12,9250.1%0.0 pts

37Waterbury, CTCT115,7710.1%+0.1 pts

38Norwalk, CTCT94,5080.1%−0.4 pts

39Cheshire, CTCT6,1720.1%−0.5 pts

40New Haven, CTCT138,7740.1%0.0 pts

41New Britain, CTCT76,2860.1%0.0 pts

42Bridgeport, CTCT152,2730.1%−0.1 pts

43Riverside, CTCT8,9540.1%0.0 pts

44Torrington, CTCT35,7960.1%−0.2 pts

45West Haven, CTCT55,3510.1%−0.5 pts

46North Haven, CTCT24,3360.1%−0.2 pts

47East Haven, CTCT27,8060.1%−0.3 pts

48Hazardville, CTCT6,0220.1%–

49Simsbury Center, CTCT6,1980.1%−1.2 pts

50Meriden, CTCT60,8100.1%−0.1 pts

51East Hartford, CTCT50,9180.1%0.0 pts

52Willimantic, CTCT18,0960.0%−0.6 pts

53Manchester, CTCT36,7590.0%−0.3 pts

54Hartford, CTCT121,9810.0%−0.1 pts

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