RANKING · 2020 CENSUS · 83 SHOWN OF 83

Largest Czech population, Ohio counties · 2020

Ohio 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 83 counties in Ohio that qualify, ranked against each other statewide. The median across all 83 is 192.

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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

01Cuyahoga County, OHOH1,232,92515,216−32%

02Summit County, OHOH538,3764,522−24%

03Franklin County, OHOH1,361,5364,071−20%

04Medina County, OHOH185,0252,974−11%

05Lake County, OHOH232,2172,336−21%

06Lorain County, OHOH323,2191,970−23%

07Portage County, OHOH163,4041,815−12%

08Stark County, OHOH373,7711,753−4%

09Hamilton County, OHOH838,4181,663−26%

10Lucas County, OHOH423,3471,608−5%

11Geauga County, OHOH95,6761,425−22%

12Montgomery County, OHOH539,5981,215−7%

13Delaware County, OHOH242,0321,058+8%

14Wood County, OHOH134,1761,0350%

15Butler County, OHOH400,128855−40%

16Ashtabula County, OHOH96,713808+6%

17Warren County, OHOH257,181793+18%

18Mahoning County, OHOH224,706752−42%

19Belmont County, OHOH64,434723−35%

20Licking County, OHOH185,564700+44%

21Wayne County, OHOH116,758633+17%

22Trumbull County, OHOH198,972563−48%

23Greene County, OHOH174,322540−27%

24Clermont County, OHOH216,977445+4%

25Jefferson County, OHOH63,597436−25%

26Tuscarawas County, OHOH92,373433+90%

27Erie County, OHOH73,296363−37%

28Athens County, OHOH63,197346−42%

29Columbiana County, OHOH99,377344−26%

30Clark County, OHOH135,340339+38%

31Fairfield County, OHOH169,752311−32%

32Richland County, OHOH124,893293−16%

33Washington County, OHOH58,389262+64%

34Knox County, OHOH64,002247+15%

35Ashland County, OHOH52,523243+85%

36Defiance County, OHOH38,292243+81%

37Williams County, OHOH36,549238+69%

38Miami County, OHOH112,634225−18%

39Huron County, OHOH58,250223+7%

40Fulton County, OHOH41,853216−7%

41Muskingum County, OHOH87,014201−33%

42Seneca County, OHOH54,522192+27%

43Ottawa County, OHOH39,481181−49%

44Clinton County, OHOH42,301177+70%

45Guernsey County, OHOH38,379165−11%

46Hancock County, OHOH75,034162−30%

47Champaign County, OHOH38,820147+110%

48Sandusky County, OHOH58,655147+20%

49Henry County, OHOH27,598124+143%

50Pickaway County, OHOH62,978123+669%

51Union County, OHOH73,446109−23%

52Noble County, OHOH14,276108+93%

53Crawford County, OHOH41,896104+93%

54Madison County, OHOH46,98588+7%

55Monroe County, OHOH12,99487+93%

56Allen County, OHOH100,88185−75%

57Coshocton County, OHOH37,18879−41%

58Ross County, OHOH76,42969−55%

59Marion County, OHOH65,11562−29%

60Carroll County, OHOH26,47562−53%

61Preble County, OHOH40,66460−77%

62Mercer County, OHOH42,73746+188%

63Harrison County, OHOH14,07045−76%

64Van Wert County, OHOH29,01343−32%

65Holmes County, OHOH44,97039+117%

66Scioto County, OHOH71,36537−8%

67Fayette County, OHOH28,55235−44%

68Paulding County, OHOH18,72735+9%

69Hardin County, OHOH30,07231−76%

70Brown County, OHOH44,39723−83%

71Perry County, OHOH35,91820−41%

72Auglaize County, OHOH45,90918−78%

73Logan County, OHOH46,30218−90%

74Hocking County, OHOH27,51215−77%

75Morrow County, OHOH36,30514−77%

76Meigs County, OHOH21,58713−54%

77Morgan County, OHOH13,62613−59%

78Wyandot County, OHOH21,56713−70%

79Gallia County, OHOH29,07212−79%

80Shelby County, OHOH48,06512−88%

81Lawrence County, OHOH55,7109−90%

82Putnam County, OHOH34,3807−75%

83Vinton County, OHOH12,6451−95%

SHOWING 1–83 OF 83

Download CSV (full list, 83 rows)

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