RANKING · 2020 CENSUS · 62 SHOWN OF 62

Largest Czech population, New York counties · 2020

New York counties 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 62 counties in New York that qualify, ranked against each other statewide.

Czech Americans: full group profile →

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SAME RANKING BYCities 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

01Suffolk County, NYNY1,546,0905,135−39%

02New York County, NYNY1,664,8624,837+0%

03Nassau County, NYNY1,398,9393,782−22%

04Kings County, NYNY2,653,9633,380−0%

05Queens County, NYNY2,358,1822,808−19%

06Westchester County, NYNY1,015,7432,472−32%

07Erie County, NYNY946,7411,514−31%

08Monroe County, NYNY750,5061,446−41%

09Dutchess County, NYNY300,7081,343−32%

10Orange County, NYNY417,6691,230−25%

11Onondaga County, NYNY466,5841,160−10%

12Saratoga County, NYNY241,3431,117+32%

13Rockland County, NYNY357,3971,042−23%

14Broome County, NYNY195,736954−59%

15Tompkins County, NYNY104,047618−13%

16Chemung County, NYNY80,415608+65%

17Richmond County, NYNY501,290583−21%

18Bronx County, NYNY1,406,332553+43%

19Sullivan County, NYNY80,586527+35%

20Schenectady County, NYNY162,581523−33%

21Albany County, NYNY321,225494−62%

22Ulster County, NYNY183,330480−40%

23Putnam County, NYNY99,028436−19%

24Rensselaer County, NYNY160,510396−35%

25Clinton County, NYNY78,138311+65%

26Chautauqua County, NYNY124,126290−25%

27Niagara County, NYNY208,912279−34%

28Warren County, NYNY65,020278+43%

29Washington County, NYNY59,353274+134%

30Ontario County, NYNY113,130221−42%

31Herkimer County, NYNY59,219219−15%

32St. Lawrence County, NYNY105,488212+27%

33Oneida County, NYNY226,392211−63%

34Steuben County, NYNY91,855196−46%

35Chenango County, NYNY45,715195+15%

36Oswego County, NYNY118,569193−46%

37Otsego County, NYNY60,589180−22%

38Wayne County, NYNY91,250179−35%

39Tioga County, NYNY47,453173−55%

40Jefferson County, NYNY111,540167−16%

41Fulton County, NYNY52,216162−32%

42Columbia County, NYNY60,168161−45%

43Cattaraugus County, NYNY75,390158−30%

44Cortland County, NYNY45,850157+41%

45Delaware County, NYNY44,305156−34%

46Schoharie County, NYNY30,176155−8%

47Cayuga County, NYNY74,365128−38%

48Greene County, NYNY47,238118−31%

49Seneca County, NYNY32,88390−9%

50Franklin County, NYNY46,50088+21%

51Montgomery County, NYNY50,04684−50%

52Livingston County, NYNY61,43873−59%

53Madison County, NYNY67,12072−67%

54Schuyler County, NYNY16,92469−62%

55Allegany County, NYNY46,80066−52%

56Lewis County, NYNY26,47966+371%

57Hamilton County, NYNY5,00666+1220%

58Yates County, NYNY24,54760−9%

59Essex County, NYNY36,43848−79%

60Genesee County, NYNY58,41640−79%

61Orleans County, NYNY39,82526−50%

62Wyoming County, NYNY39,74122−64%

SHOWING 1–62 OF 62

Download CSV (full list, 62 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS