RANKING · 2010 CENSUS · 66 SHOWN OF 66

Highest South American population share, Ohio counties · 2010

Ohio counties ranked by the share of all residents who are South American origin (2023 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 66 counties in Ohio that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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 SHAREVS 2000

01Athens County, OHOH63,1970.3%–

02Butler County, OHOH400,1280.3%–

03Franklin County, OHOH1,361,5360.3%–

04Cuyahoga County, OHOH1,232,9250.3%–

05Delaware County, OHOH242,0320.2%–

06Warren County, OHOH257,1810.2%–

07Logan County, OHOH46,3020.2%–

08Washington County, OHOH58,3890.2%–

09Montgomery County, OHOH539,5980.2%–

10Hamilton County, OHOH838,4180.2%–

11Fairfield County, OHOH169,7520.2%–

12Defiance County, OHOH38,2920.2%–

13Clermont County, OHOH216,9770.2%–

14Ottawa County, OHOH39,4810.2%–

15Medina County, OHOH185,0250.2%–

16Greene County, OHOH174,3220.1%–

17Richland County, OHOH124,8930.1%–

18Stark County, OHOH373,7710.1%–

19Lucas County, OHOH423,3470.1%–

20Portage County, OHOH163,4040.1%–

21Williams County, OHOH36,5490.1%–

22Summit County, OHOH538,3760.1%–

23Ashtabula County, OHOH96,7130.1%–

24Mahoning County, OHOH224,7060.1%–

25Erie County, OHOH73,2960.1%–

26Paulding County, OHOH18,7270.1%–

27Hardin County, OHOH30,0720.1%–

28Licking County, OHOH185,5640.1%–

29Sandusky County, OHOH58,6550.1%–

30Holmes County, OHOH44,9700.1%–

31Wood County, OHOH134,1760.1%–

32Jefferson County, OHOH63,5970.1%–

33Lake County, OHOH232,2170.1%–

34Geauga County, OHOH95,6760.1%–

35Fulton County, OHOH41,8530.1%–

36Clark County, OHOH135,3400.1%–

37Columbiana County, OHOH99,3770.1%–

38Lorain County, OHOH323,2190.1%–

39Scioto County, OHOH71,3650.1%–

40Henry County, OHOH27,5980.1%–

41Mercer County, OHOH42,7370.1%–

42Seneca County, OHOH54,5220.1%–

43Wayne County, OHOH116,7580.1%–

44Gallia County, OHOH29,0720.0%–

45Madison County, OHOH46,9850.0%–

46Preble County, OHOH40,6640.0%–

47Guernsey County, OHOH38,3790.0%–

48Auglaize County, OHOH45,9090.0%–

49Trumbull County, OHOH198,9720.0%–

50Ashland County, OHOH52,5230.0%–

51Coshocton County, OHOH37,1880.0%–

52Darke County, OHOH51,5200.0%–

53Van Wert County, OHOH29,0130.0%–

54Tuscarawas County, OHOH92,3730.0%–

55Jackson County, OHOH32,8170.0%–

56Lawrence County, OHOH55,7100.0%–

57Ross County, OHOH76,4290.0%–

58Knox County, OHOH64,0020.0%–

59Miami County, OHOH112,6340.0%–

60Allen County, OHOH100,8810.0%–

61Hancock County, OHOH75,0340.0%–

62Clinton County, OHOH42,3010.0%–

63Huron County, OHOH58,2500.0%–

64Muskingum County, OHOH87,0140.0%–

65Pickaway County, OHOH62,9780.0%–

66Marion County, OHOH65,1150.0%–

SHOWING 1–66 OF 66

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