RANKING · 2010 CENSUS · 87 SHOWN OF 87

Highest Czech population share, Ohio counties · 2010

Ohio counties ranked by the share of all residents who are Czech ancestry (2010 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 87 counties in Ohio 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 SHAREVS –

01Medina County, OHOH185,0252.0%–

02Geauga County, OHOH95,6762.0%–

03Cuyahoga County, OHOH1,232,9251.7%–

04Belmont County, OHOH64,4341.6%–

05Portage County, OHOH163,4041.3%–

06Lake County, OHOH232,2171.3%–

07Harrison County, OHOH14,0701.2%–

08Summit County, OHOH538,3761.1%–

09Athens County, OHOH63,1970.9%–

10Ottawa County, OHOH39,4810.9%–

11Lorain County, OHOH323,2190.9%–

12Jefferson County, OHOH63,5970.8%–

13Wood County, OHOH134,1760.8%–

14Ashtabula County, OHOH96,7130.8%–

15Erie County, OHOH73,2960.7%–

16Preble County, OHOH40,6640.6%–

17Delaware County, OHOH242,0320.6%–

18Fulton County, OHOH41,8530.5%–

19Mahoning County, OHOH224,7060.5%–

20Trumbull County, OHOH198,9720.5%–

21Stark County, OHOH373,7710.5%–

22Wayne County, OHOH116,7580.5%–

23Greene County, OHOH174,3220.5%–

24Guernsey County, OHOH38,3790.5%–

25Carroll County, OHOH26,4750.5%–

26Franklin County, OHOH1,361,5360.4%–

27Columbiana County, OHOH99,3770.4%–

28Hardin County, OHOH30,0720.4%–

29Butler County, OHOH400,1280.4%–

30Noble County, OHOH14,2760.4%–

31Logan County, OHOH46,3020.4%–

32Lucas County, OHOH423,3470.4%–

33Williams County, OHOH36,5490.4%–

34Coshocton County, OHOH37,1880.4%–

35Knox County, OHOH64,0020.4%–

36Muskingum County, OHOH87,0140.4%–

37Huron County, OHOH58,2500.3%–

38Defiance County, OHOH38,2920.3%–

39Warren County, OHOH257,1810.3%–

40Fairfield County, OHOH169,7520.3%–

41Allen County, OHOH100,8810.3%–

42Hancock County, OHOH75,0340.3%–

43Monroe County, OHOH12,9940.3%–

44Brown County, OHOH44,3970.3%–

45Licking County, OHOH185,5640.3%–

46Union County, OHOH73,4460.3%–

47Hamilton County, OHOH838,4180.3%–

48Richland County, OHOH124,8930.3%–

49Miami County, OHOH112,6340.3%–

50Seneca County, OHOH54,5220.3%–

51Washington County, OHOH58,3890.3%–

52Tuscarawas County, OHOH92,3730.2%–

53Ashland County, OHOH52,5230.2%–

54Clinton County, OHOH42,3010.2%–

55Montgomery County, OHOH539,5980.2%–

56Hocking County, OHOH27,5120.2%–

57Clermont County, OHOH216,9770.2%–

58Van Wert County, OHOH29,0130.2%–

59Fayette County, OHOH28,5520.2%–

60Morgan County, OHOH13,6260.2%–

61Shelby County, OHOH48,0650.2%–

62Ross County, OHOH76,4290.2%–

63Sandusky County, OHOH58,6550.2%–

64Wyandot County, OHOH21,5670.2%–

65Madison County, OHOH46,9850.2%–

66Gallia County, OHOH29,0720.2%–

67Henry County, OHOH27,5980.2%–

68Morrow County, OHOH36,3050.2%–

69Clark County, OHOH135,3400.2%–

70Champaign County, OHOH38,8200.2%–

71Auglaize County, OHOH45,9090.2%–

72Paulding County, OHOH18,7270.2%–

73Lawrence County, OHOH55,7100.2%–

74Vinton County, OHOH12,6450.1%–

75Marion County, OHOH65,1150.1%–

76Crawford County, OHOH41,8960.1%–

77Meigs County, OHOH21,5870.1%–

78Highland County, OHOH43,8230.1%–

79Perry County, OHOH35,9180.1%–

80Putnam County, OHOH34,3800.1%–

81Jackson County, OHOH32,8170.1%–

82Scioto County, OHOH71,3650.1%–

83Pike County, OHOH27,0610.0%–

84Holmes County, OHOH44,9700.0%–

85Darke County, OHOH51,5200.0%–

86Mercer County, OHOH42,7370.0%–

87Pickaway County, OHOH62,9780.0%–

SHOWING 1–87 OF 87

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS