RANKING · 2020 CENSUS · 88 SHOWN OF 88

Largest foreign-born population, Ohio counties · 2020

Ohio counties with the most residents born outside the United States, as of the 2020 American Community Survey. Ranked by number of people, not share. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

OhioAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Franklin County, OHOH1,361,536145,885+41%

02Cuyahoga County, OHOH1,232,92595,501+7%

03Hamilton County, OHOH838,41847,823+29%

04Summit County, OHOH538,37629,135+29%

05Montgomery County, OHOH539,59826,431+50%

06Butler County, OHOH400,12825,273+40%

07Warren County, OHOH257,18117,735+75%

08Delaware County, OHOH242,03217,010+85%

09Lucas County, OHOH423,34715,674−4%

10Lake County, OHOH232,21712,336+2%

11Lorain County, OHOH323,2199,373+10%

12Greene County, OHOH174,3228,013+22%

13Stark County, OHOH373,7717,674+4%

14Fairfield County, OHOH169,7526,007+72%

15Mahoning County, OHOH224,7065,648−23%

16Portage County, OHOH163,4045,398+24%

17Licking County, OHOH185,5645,365+98%

18Medina County, OHOH185,0255,358−2%

19Clermont County, OHOH216,9774,339+1%

20Wood County, OHOH134,1764,256+13%

21Trumbull County, OHOH198,9723,034−9%

22Hancock County, OHOH75,0342,886+42%

23Union County, OHOH73,4462,799+125%

24Clark County, OHOH135,3402,593−11%

25Athens County, OHOH63,1972,467−9%

26Miami County, OHOH112,6342,422+38%

27Wayne County, OHOH116,7582,402+31%

28Geauga County, OHOH95,6762,393−9%

29Richland County, OHOH124,8932,224+1%

30Tuscarawas County, OHOH92,3731,740+66%

31Allen County, OHOH100,8811,622−5%

32Ashtabula County, OHOH96,7131,486−11%

33Erie County, OHOH73,2961,427−1%

34Columbiana County, OHOH99,3771,226−2%

35Seneca County, OHOH54,5221,136+45%

36Sandusky County, OHOH58,6551,075−21%

37Washington County, OHOH58,389950+57%

38Marion County, OHOH65,115941+2%

39Jefferson County, OHOH63,597844+5%

40Ashland County, OHOH52,523839−8%

41Huron County, OHOH58,250807−57%

42Belmont County, OHOH64,434804+40%

43Knox County, OHOH64,002801−13%

44Clinton County, OHOH42,301799+28%

45Defiance County, OHOH38,292788+31%

46Ross County, OHOH76,429788+1%

47Shelby County, OHOH48,065739−17%

48Mercer County, OHOH42,737735+160%

49Muskingum County, OHOH87,014706−2%

50Fulton County, OHOH41,853621−17%

51Crawford County, OHOH41,896616+52%

52Pickaway County, OHOH62,978592−1%

53Hardin County, OHOH30,072588+115%

54Logan County, OHOH46,302578+3%

55Madison County, OHOH46,985575−23%

56Williams County, OHOH36,549547−2%

57Ottawa County, OHOH39,481509−23%

58Scioto County, OHOH71,365504−37%

59Fayette County, OHOH28,552499+23%

60Putnam County, OHOH34,380496+33%

61Lawrence County, OHOH55,710473+112%

62Darke County, OHOH51,520472+5%

63Highland County, OHOH43,823454+91%

64Henry County, OHOH27,598432+11%

65Morrow County, OHOH36,305410+104%

66Champaign County, OHOH38,820385−25%

67Auglaize County, OHOH45,909373+13%

68Gallia County, OHOH29,072361+103%

69Guernsey County, OHOH38,379355−21%

70Preble County, OHOH40,664352−19%

71Wyandot County, OHOH21,567309−0%

72Paulding County, OHOH18,727269+29%

73Coshocton County, OHOH37,188258+113%

74Holmes County, OHOH44,970228−30%

75Adams County, OHOH27,865213+99%

76Brown County, OHOH44,397197+159%

77Jackson County, OHOH32,817180+54%

78Perry County, OHOH35,918172+26%

79Van Wert County, OHOH29,013153−50%

80Harrison County, OHOH14,070125+155%

81Carroll County, OHOH26,475121−26%

82Hocking County, OHOH27,512119−18%

83Vinton County, OHOH12,64594+292%

84Pike County, OHOH27,06189−36%

85Monroe County, OHOH12,99485+0%

86Noble County, OHOH14,27677+328%

87Meigs County, OHOH21,58762+11%

88Morgan County, OHOH13,62645+45%

SHOWING 1–88 OF 88

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS