RANKING · 2020 CENSUS · 83 SHOWN OF 83

Highest Czech population share, Ohio counties · 2020

Ohio counties ranked by the share of all residents who are Czech ancestry (2023 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 83 counties in Ohio that qualify, ranked against each other statewide.

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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 2000

01Medina County, OHOH185,0251.7%–

02Geauga County, OHOH95,6761.5%–

03Cuyahoga County, OHOH1,232,9251.2%–

04Portage County, OHOH163,4041.1%–

05Belmont County, OHOH64,4341.1%–

06Lake County, OHOH232,2171.0%–

07Summit County, OHOH538,3760.8%–

08Ashtabula County, OHOH96,7130.8%–

09Wood County, OHOH134,1760.8%–

10Noble County, OHOH14,2760.7%–

11Jefferson County, OHOH63,5970.7%–

12Williams County, OHOH36,5490.6%–

13Defiance County, OHOH38,2920.6%–

14Lorain County, OHOH323,2190.6%–

15Monroe County, OHOH12,9940.6%–

16Wayne County, OHOH116,7580.5%–

17Athens County, OHOH63,1970.5%–

18Delaware County, OHOH242,0320.5%–

19Fulton County, OHOH41,8530.5%–

20Erie County, OHOH73,2960.5%–

21Stark County, OHOH373,7710.5%–

22Tuscarawas County, OHOH92,3730.5%–

23Henry County, OHOH27,5980.5%–

24Ashland County, OHOH52,5230.5%–

25Ottawa County, OHOH39,4810.4%–

26Washington County, OHOH58,3890.4%–

27Guernsey County, OHOH38,3790.4%–

28Clinton County, OHOH42,3010.4%–

29Knox County, OHOH64,0020.4%–

30Licking County, OHOH185,5640.4%–

31Huron County, OHOH58,2500.4%–

32Champaign County, OHOH38,8200.4%–

33Lucas County, OHOH423,3470.4%–

34Seneca County, OHOH54,5220.3%–

35Warren County, OHOH257,1810.3%–

36Columbiana County, OHOH99,3770.3%–

37Mahoning County, OHOH224,7060.3%–

38Greene County, OHOH174,3220.3%–

39Franklin County, OHOH1,361,5360.3%–

40Harrison County, OHOH14,0700.3%–

41Trumbull County, OHOH198,9720.3%–

42Clark County, OHOH135,3400.3%–

43Sandusky County, OHOH58,6550.2%–

44Crawford County, OHOH41,8960.2%–

45Richland County, OHOH124,8930.2%–

46Muskingum County, OHOH87,0140.2%–

47Montgomery County, OHOH539,5980.2%–

48Carroll County, OHOH26,4750.2%–

49Butler County, OHOH400,1280.2%–

50Clermont County, OHOH216,9770.2%–

51Coshocton County, OHOH37,1880.2%–

52Hancock County, OHOH75,0340.2%–

53Miami County, OHOH112,6340.2%–

54Pickaway County, OHOH62,9780.2%–

55Hamilton County, OHOH838,4180.2%–

56Fairfield County, OHOH169,7520.2%–

57Madison County, OHOH46,9850.2%–

58Union County, OHOH73,4460.2%–

59Paulding County, OHOH18,7270.2%–

60Van Wert County, OHOH29,0130.2%–

61Preble County, OHOH40,6640.1%–

62Fayette County, OHOH28,5520.1%–

63Mercer County, OHOH42,7370.1%–

64Hardin County, OHOH30,0720.1%–

65Marion County, OHOH65,1150.1%–

66Ross County, OHOH76,4290.1%–

67Morgan County, OHOH13,6260.1%–

68Holmes County, OHOH44,9700.1%–

69Allen County, OHOH100,8810.1%–

70Wyandot County, OHOH21,5670.1%–

71Meigs County, OHOH21,5870.1%–

72Perry County, OHOH35,9180.1%–

73Hocking County, OHOH27,5120.1%–

74Brown County, OHOH44,3970.1%–

75Scioto County, OHOH71,3650.0%–

76Gallia County, OHOH29,0720.0%–

77Morrow County, OHOH36,3050.0%–

78Logan County, OHOH46,3020.0%–

79Auglaize County, OHOH45,9090.0%–

80Shelby County, OHOH48,0650.0%–

81Putnam County, OHOH34,3800.0%–

82Lawrence County, OHOH55,7100.0%–

83Vinton County, OHOH12,6450.0%–

SHOWING 1–83 OF 83

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES