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 (2020 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. The median across all 83 is 0.3%.

Czech Americans: full group profile →

OhioAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH SHAREVS 2010

01Medina County, OHOH185,0251.7%−0.3 pts

02Geauga County, OHOH95,6761.5%−0.4 pts

03Cuyahoga County, OHOH1,232,9251.2%−0.5 pts

04Portage County, OHOH163,4041.1%−0.2 pts

05Belmont County, OHOH64,4341.1%−0.5 pts

06Lake County, OHOH232,2171.0%−0.3 pts

07Summit County, OHOH538,3760.8%−0.3 pts

08Ashtabula County, OHOH96,7130.8%+0.1 pts

09Wood County, OHOH134,1760.8%0.0 pts

10Noble County, OHOH14,2760.7%+0.4 pts

11Jefferson County, OHOH63,5970.7%−0.2 pts

12Williams County, OHOH36,5490.6%+0.3 pts

13Defiance County, OHOH38,2920.6%+0.3 pts

14Lorain County, OHOH323,2190.6%−0.2 pts

15Monroe County, OHOH12,9940.6%+0.3 pts

16Wayne County, OHOH116,7580.5%+0.1 pts

17Athens County, OHOH63,1970.5%−0.4 pts

18Delaware County, OHOH242,0320.5%−0.1 pts

19Fulton County, OHOH41,8530.5%0.0 pts

20Erie County, OHOH73,2960.5%−0.3 pts

21Stark County, OHOH373,7710.5%0.0 pts

22Tuscarawas County, OHOH92,3730.5%+0.2 pts

23Henry County, OHOH27,5980.5%+0.3 pts

24Ashland County, OHOH52,5230.5%+0.2 pts

25Ottawa County, OHOH39,4810.4%−0.4 pts

26Washington County, OHOH58,3890.4%+0.2 pts

27Guernsey County, OHOH38,3790.4%0.0 pts

28Clinton County, OHOH42,3010.4%+0.2 pts

29Knox County, OHOH64,0020.4%0.0 pts

30Licking County, OHOH185,5640.4%+0.1 pts

31Huron County, OHOH58,2500.4%0.0 pts

32Champaign County, OHOH38,8200.4%+0.2 pts

33Lucas County, OHOH423,3470.4%0.0 pts

34Seneca County, OHOH54,5220.3%+0.1 pts

35Warren County, OHOH257,1810.3%0.0 pts

36Columbiana County, OHOH99,3770.3%−0.1 pts

37Mahoning County, OHOH224,7060.3%−0.2 pts

38Greene County, OHOH174,3220.3%−0.1 pts

39Franklin County, OHOH1,361,5360.3%−0.1 pts

40Harrison County, OHOH14,0700.3%−0.9 pts

41Trumbull County, OHOH198,9720.3%−0.2 pts

42Clark County, OHOH135,3400.3%+0.1 pts

43Sandusky County, OHOH58,6550.2%+0.1 pts

44Crawford County, OHOH41,8960.2%+0.1 pts

45Richland County, OHOH124,8930.2%0.0 pts

46Muskingum County, OHOH87,0140.2%−0.1 pts

47Montgomery County, OHOH539,5980.2%0.0 pts

48Carroll County, OHOH26,4750.2%−0.2 pts

49Butler County, OHOH400,1280.2%−0.2 pts

50Clermont County, OHOH216,9770.2%0.0 pts

51Coshocton County, OHOH37,1880.2%−0.1 pts

52Hancock County, OHOH75,0340.2%−0.1 pts

53Miami County, OHOH112,6340.2%−0.1 pts

54Pickaway County, OHOH62,9780.2%+0.2 pts

55Hamilton County, OHOH838,4180.2%−0.1 pts

56Fairfield County, OHOH169,7520.2%−0.1 pts

57Madison County, OHOH46,9850.2%0.0 pts

58Union County, OHOH73,4460.2%−0.1 pts

59Paulding County, OHOH18,7270.2%0.0 pts

60Van Wert County, OHOH29,0130.2%−0.1 pts

61Preble County, OHOH40,6640.1%−0.5 pts

62Fayette County, OHOH28,5520.1%−0.1 pts

63Mercer County, OHOH42,7370.1%+0.1 pts

64Hardin County, OHOH30,0720.1%−0.3 pts

65Marion County, OHOH65,1150.1%0.0 pts

66Ross County, OHOH76,4290.1%−0.1 pts

67Morgan County, OHOH13,6260.1%−0.1 pts

68Holmes County, OHOH44,9700.1%0.0 pts

69Allen County, OHOH100,8810.1%−0.2 pts

70Wyandot County, OHOH21,5670.1%−0.1 pts

71Meigs County, OHOH21,5870.1%−0.1 pts

72Perry County, OHOH35,9180.1%0.0 pts

73Hocking County, OHOH27,5120.1%−0.2 pts

74Brown County, OHOH44,3970.1%−0.2 pts

75Scioto County, OHOH71,3650.0%0.0 pts

76Gallia County, OHOH29,0720.0%−0.1 pts

77Morrow County, OHOH36,3050.0%−0.1 pts

78Logan County, OHOH46,3020.0%−0.3 pts

79Auglaize County, OHOH45,9090.0%−0.1 pts

80Shelby County, OHOH48,0650.0%−0.2 pts

81Putnam County, OHOH34,3800.0%−0.1 pts

82Lawrence County, OHOH55,7100.0%−0.1 pts

83Vinton County, OHOH12,6450.0%−0.1 pts

SHOWING 1–83 OF 83

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