RANKING · 2024 ACS · 74 SHOWN OF 74

Largest South American population, Ohio counties

Ohio counties ranked by the number of residents who are South American origin, 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 74 counties in Ohio that qualify, ranked against each other statewide. The median across all 74 is 104. Biggest climber in the top 100 since 2020: Ashtabula County, OH, up 37 places to #25.

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN POPULATIONVS 2010

01Franklin County, OHOH1,361,53610,480+248%

02Cuyahoga County, OHOH1,232,9255,912+82%

03Hamilton County, OHOH838,4183,724+148%

04▲1Butler County, OHOH400,1282,481+131%

05▼1Montgomery County, OHOH539,5981,763+55%

06Lucas County, OHOH423,3471,401+170%

07▲2Delaware County, OHOH242,0321,376+236%

08▼1Summit County, OHOH538,3761,226+112%

09▲2Warren County, OHOH257,181966+89%

10▼2Lorain County, OHOH323,219864+321%

11▲3Greene County, OHOH174,322801+271%

12▲1Licking County, OHOH185,564663+320%

13▼3Lake County, OHOH232,217653+247%

14▲2Mahoning County, OHOH224,706559+124%

15▲9Erie County, OHOH73,296543+579%

16▲6Stark County, OHOH373,771541+16%

17▼2Medina County, OHOH185,025535+107%

18▼6Wood County, OHOH134,176466+312%

19▼1Clermont County, OHOH216,977437+42%

20▲22Union County, OHOH73,446348–

21▲7Geauga County, OHOH95,676266+269%

22▲10Wayne County, OHOH116,758263+353%

23▲2Clinton County, OHOH42,301237+2863%

24▼4Sandusky County, OHOH58,655233+309%

25▲37Ashtabula County, OHOH96,713210+94%

26▼5Miami County, OHOH112,634191+664%

27▲26Wyandot County, OHOH21,567180–

28▼5Fairfield County, OHOH169,752170−32%

29▲7Clark County, OHOH135,340165+62%

30▲5Portage County, OHOH163,404153−16%

31▲23Shelby County, OHOH48,065143–

32▼2Trumbull County, OHOH198,972141+57%

33▼6Allen County, OHOH100,881117+350%

34▲24Columbiana County, OHOH99,377117+52%

35▲16Belmont County, OHOH64,434112–

36▲2Logan County, OHOH46,302110−1%

37▼18Hancock County, OHOH75,034104+593%

38▲10Jefferson County, OHOH63,597103+75%

39▲20Lawrence County, OHOH55,710102+500%

40▲3Williams County, OHOH36,54994+129%

41▲29Van Wert County, OHOH29,01393+933%

42▼25Athens County, OHOH63,19792−59%

43▼12Washington County, OHOH58,38989−38%

44▲12Pickaway County, OHOH62,97887+1143%

45▲2Defiance County, OHOH38,29283+22%

46▲27Champaign County, OHOH38,82082–

47Fayette County, OHOH28,55280–

48▼4Hardin County, OHOH30,07279+155%

49▼10Richland County, OHOH124,89377−54%

50▲13Madison County, OHOH46,98576+280%

51▲13Seneca County, OHOH54,52275+159%

52▲20Marion County, OHOH65,11572+1100%

53▼12Knox County, OHOH64,00271+344%

54▼14Gallia County, OHOH29,07262+313%

55Ross County, OHOH76,42957+171%

56▼27Muskingum County, OHOH87,01455+400%

57▼7Huron County, OHOH58,25051+364%

58▲10Guernsey County, OHOH38,37941+128%

59▲7Adams County, OHOH27,86532–

60Fulton County, OHOH41,85329−9%

61▼9Henry County, OHOH27,59828+47%

62▼29Tuscarawas County, OHOH92,373280%

63▼26Ottawa County, OHOH39,48123−65%

64▲5Morrow County, OHOH36,30522–

65▲6Darke County, OHOH51,52019+12%

66Morgan County, OHOH13,62618–

67▼21Preble County, OHOH40,66417−11%

68▼34Highland County, OHOH43,82314–

69Crawford County, OHOH41,89611–

70▼9Putnam County, OHOH34,38010–

71Noble County, OHOH14,2768–

72Perry County, OHOH35,9186–

73Carroll County, OHOH26,4756–

74▼7Auglaize County, OHOH45,9094−80%

SHOWING 1–74 OF 74

Download CSV (full list, 74 rows)

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