RANKING · 2024 ACS · 84 SHOWN OF 84

Largest Czech population, Ohio counties

Ohio counties ranked by the number of residents who are Czech ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 84 counties in Ohio that qualify, ranked against each other statewide. The median across all 84 is 138. Biggest climber in the top 100 since 2020: Morrow County, OH, up 29 places to #46.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Cuyahoga County, OHOH1,232,92511,501−49%

02▲1Franklin County, OHOH1,361,5363,459−32%

03▼1Summit County, OHOH538,3763,351−43%

04Medina County, OHOH185,0252,438−27%

05▲1Lorain County, OHOH323,2192,162−15%

06▼1Lake County, OHOH232,2171,941−34%

07Portage County, OHOH163,4041,735−16%

08▲3Geauga County, OHOH95,6761,593−13%

09Hamilton County, OHOH838,4181,538−31%

10▼2Stark County, OHOH373,7711,430−22%

11▼1Lucas County, OHOH423,3471,200−29%

12Montgomery County, OHOH539,5981,157−12%

13▲3Ashtabula County, OHOH96,713902+18%

14▼1Delaware County, OHOH242,032887−9%

15▲3Mahoning County, OHOH224,706877−33%

16▼2Wood County, OHOH134,176704−32%

17▼2Butler County, OHOH400,128698−51%

18▲2Licking County, OHOH185,564662+36%

19▲3Trumbull County, OHOH198,972609−44%

20▲1Wayne County, OHOH116,758570+6%

21▲2Greene County, OHOH174,322525−29%

22▼5Warren County, OHOH257,181510−24%

23▲8Fairfield County, OHOH169,752427−7%

24Clermont County, OHOH216,977418−2%

25▼6Belmont County, OHOH64,434400−64%

26▲6Richland County, OHOH124,893338−3%

27▲19Hancock County, OHOH75,034329+42%

28▲12Fulton County, OHOH41,853321+38%

29▲10Huron County, OHOH58,250300+44%

30▼1Columbiana County, OHOH99,377292−37%

31▼6Jefferson County, OHOH63,597244−58%

32▼5Erie County, OHOH73,296232−60%

33▼7Tuscarawas County, OHOH92,373223−2%

34▲11Guernsey County, OHOH38,379198+7%

35▼5Clark County, OHOH135,340193−22%

36▼8Athens County, OHOH63,197187−69%

37▼4Washington County, OHOH58,389184+15%

38▲13Union County, OHOH73,446179+26%

39▼3Defiance County, OHOH38,292162+21%

40▲1Muskingum County, OHOH87,014151−50%

41▲2Ottawa County, OHOH39,481149−58%

42▼7Ashland County, OHOH52,523138+5%

43▲13Allen County, OHOH100,881121−64%

44▲5Henry County, OHOH27,598111+118%

45▲8Crawford County, OHOH41,896105+94%

46▲29Morrow County, OHOH36,305105+69%

47▲3Pickaway County, OHOH62,97896+500%

48▼10Miami County, OHOH112,63489−68%

49▲11Carroll County, OHOH26,47585−36%

50▲4Madison County, OHOH46,98583+1%

51▲1Noble County, OHOH14,27679+41%

52▼15Williams County, OHOH36,54972−49%

53▲10Harrison County, OHOH14,07069−63%

54▼20Knox County, OHOH64,00266−69%

55▲2Coshocton County, OHOH37,18861−54%

56▼1Monroe County, OHOH12,99460+33%

57▼10Champaign County, OHOH38,82048−31%

58▲7Holmes County, OHOH44,97043+139%

59▼15Clinton County, OHOH42,30140−62%

60▼12Sandusky County, OHOH58,65538−69%

61▲8Hardin County, OHOH30,07234−73%

62▲14Meigs County, OHOH21,58732+14%

63▼5Ross County, OHOH76,42931−80%

64▼22Seneca County, OHOH54,52231−79%

65▼3Mercer County, OHOH42,73727+69%

66Pike County, OHOH27,06127+108%

67Highland County, OHOH43,82326−38%

68▲13Lawrence County, OHOH55,71026−72%

69▼5Van Wert County, OHOH29,01325−60%

70▼2Paulding County, OHOH18,72722−31%

71▼10Preble County, OHOH40,66422−92%

72▲6Wyandot County, OHOH21,56722−50%

73▲10Vinton County, OHOH12,64522+10%

74▲8Putnam County, OHOH34,38021−25%

75▲5Shelby County, OHOH48,06521−79%

76▼9Fayette County, OHOH28,55219−69%

77▼18Marion County, OHOH65,11519−78%

78Darke County, OHOH51,52017−19%

79▼5Hocking County, OHOH27,51214−79%

80▼1Gallia County, OHOH29,07213−78%

81▼9Auglaize County, OHOH45,9099−89%

82▼5Morgan County, OHOH13,6268−75%

83▼17Scioto County, OHOH71,3658−80%

84▼13Perry County, OHOH35,9187−79%

SHOWING 1–84 OF 84

Download CSV (full list, 84 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES