RANKING · 2010 CENSUS · 87 SHOWN OF 87

Largest Czech population, Ohio counties · 2010

Ohio counties ranked by the number of residents who are Czech ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 87 counties in Ohio that qualify, ranked against each other statewide. The median across all 87 is 175.

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 –

01Cuyahoga County, OHOH1,232,92522,526–

02Summit County, OHOH538,3765,928–

03Franklin County, OHOH1,361,5365,115–

04Medina County, OHOH185,0253,358–

05Lake County, OHOH232,2172,952–

06Lorain County, OHOH323,2192,556–

07Hamilton County, OHOH838,4182,237–

08Portage County, OHOH163,4042,064–

09Geauga County, OHOH95,6761,827–

10Stark County, OHOH373,7711,822–

11Lucas County, OHOH423,3471,689–

12Butler County, OHOH400,1281,431–

13Montgomery County, OHOH539,5981,310–

14Mahoning County, OHOH224,7061,304–

15Belmont County, OHOH64,4341,110–

16Trumbull County, OHOH198,9721,093–

17Wood County, OHOH134,1761,037–

18Delaware County, OHOH242,032978–

19Ashtabula County, OHOH96,713765–

20Greene County, OHOH174,322742–

21Warren County, OHOH257,181673–

22Athens County, OHOH63,197598–

23Jefferson County, OHOH63,597584–

24Erie County, OHOH73,296579–

25Wayne County, OHOH116,758539–

26Licking County, OHOH185,564485–

27Columbiana County, OHOH99,377464–

28Fairfield County, OHOH169,752459–

29Clermont County, OHOH216,977427–

30Ottawa County, OHOH39,481357–

31Richland County, OHOH124,893348–

32Allen County, OHOH100,881337–

33Muskingum County, OHOH87,014301–

34Miami County, OHOH112,634274–

35Preble County, OHOH40,664263–

36Clark County, OHOH135,340246–

37Fulton County, OHOH41,853233–

38Hancock County, OHOH75,034231–

39Tuscarawas County, OHOH92,373228–

40Knox County, OHOH64,002214–

41Huron County, OHOH58,250208–

42Guernsey County, OHOH38,379185–

43Harrison County, OHOH14,070184–

44Logan County, OHOH46,302175–

45Washington County, OHOH58,389160–

46Ross County, OHOH76,429155–

47Seneca County, OHOH54,522151–

48Union County, OHOH73,446142–

49Williams County, OHOH36,549141–

50Defiance County, OHOH38,292134–

51Brown County, OHOH44,397133–

52Coshocton County, OHOH37,188133–

53Carroll County, OHOH26,475132–

54Ashland County, OHOH52,523131–

55Hardin County, OHOH30,072127–

56Sandusky County, OHOH58,655122–

57Clinton County, OHOH42,301104–

58Shelby County, OHOH48,065101–

59Lawrence County, OHOH55,71094–

60Marion County, OHOH65,11587–

61Madison County, OHOH46,98582–

62Auglaize County, OHOH45,90980–

63Champaign County, OHOH38,82070–

64Hocking County, OHOH27,51266–

65Van Wert County, OHOH29,01363–

66Fayette County, OHOH28,55262–

67Morrow County, OHOH36,30562–

68Gallia County, OHOH29,07258–

69Noble County, OHOH14,27656–

70Crawford County, OHOH41,89654–

71Henry County, OHOH27,59851–

72Monroe County, OHOH12,99445–

73Wyandot County, OHOH21,56744–

74Highland County, OHOH43,82342–

75Scioto County, OHOH71,36540–

76Perry County, OHOH35,91834–

77Morgan County, OHOH13,62632–

78Paulding County, OHOH18,72732–

79Meigs County, OHOH21,58728–

80Putnam County, OHOH34,38028–

81Jackson County, OHOH32,81722–

82Darke County, OHOH51,52021–

83Vinton County, OHOH12,64520–

84Holmes County, OHOH44,97018–

85Mercer County, OHOH42,73716–

86Pickaway County, OHOH62,97816–

87Pike County, OHOH27,06113–

SHOWING 1–87 OF 87

Download CSV (full list, 87 rows)

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