RANKING · 2010 CENSUS · 67 SHOWN OF 67

Highest Finnish population share, Ohio counties · 2010

Ohio counties ranked by the share of all residents who are Finnish ancestry (2010 American Community Survey). A concentration measure: Finnish residents as a percentage of total population. This list covers the 67 counties in Ohio that qualify, ranked against each other statewide. The median across all 67 is 0.1%.

Finnish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPFINNISH SHAREVS –

01Ashtabula County, OHOH96,7133.1%–

02Lake County, OHOH232,2171.2%–

03Trumbull County, OHOH198,9720.5%–

04Geauga County, OHOH95,6760.5%–

05Champaign County, OHOH38,8200.4%–

06Gallia County, OHOH29,0720.3%–

07Perry County, OHOH35,9180.2%–

08Medina County, OHOH185,0250.2%–

09Warren County, OHOH257,1810.2%–

10Union County, OHOH73,4460.2%–

11Harrison County, OHOH14,0700.2%–

12Summit County, OHOH538,3760.2%–

13Delaware County, OHOH242,0320.2%–

14Wayne County, OHOH116,7580.2%–

15Cuyahoga County, OHOH1,232,9250.2%–

16Pike County, OHOH27,0610.2%–

17Lorain County, OHOH323,2190.2%–

18Portage County, OHOH163,4040.2%–

19Mahoning County, OHOH224,7060.2%–

20Butler County, OHOH400,1280.2%–

21Fulton County, OHOH41,8530.2%–

22Franklin County, OHOH1,361,5360.2%–

23Wood County, OHOH134,1760.1%–

24Lucas County, OHOH423,3470.1%–

25Erie County, OHOH73,2960.1%–

26Clark County, OHOH135,3400.1%–

27Allen County, OHOH100,8810.1%–

28Auglaize County, OHOH45,9090.1%–

29Clermont County, OHOH216,9770.1%–

30Marion County, OHOH65,1150.1%–

31Holmes County, OHOH44,9700.1%–

32Athens County, OHOH63,1970.1%–

33Stark County, OHOH373,7710.1%–

34Sandusky County, OHOH58,6550.1%–

35Logan County, OHOH46,3020.1%–

36Montgomery County, OHOH539,5980.1%–

37Belmont County, OHOH64,4340.1%–

38Hancock County, OHOH75,0340.1%–

39Richland County, OHOH124,8930.1%–

40Licking County, OHOH185,5640.1%–

41Brown County, OHOH44,3970.1%–

42Ottawa County, OHOH39,4810.1%–

43Huron County, OHOH58,2500.1%–

44Morgan County, OHOH13,6260.1%–

45Greene County, OHOH174,3220.1%–

46Henry County, OHOH27,5980.1%–

47Hamilton County, OHOH838,4180.1%–

48Jefferson County, OHOH63,5970.0%–

49Hardin County, OHOH30,0720.0%–

50Defiance County, OHOH38,2920.0%–

51Jackson County, OHOH32,8170.0%–

52Washington County, OHOH58,3890.0%–

53Ross County, OHOH76,4290.0%–

54Coshocton County, OHOH37,1880.0%–

55Fairfield County, OHOH169,7520.0%–

56Williams County, OHOH36,5490.0%–

57Clinton County, OHOH42,3010.0%–

58Shelby County, OHOH48,0650.0%–

59Miami County, OHOH112,6340.0%–

60Knox County, OHOH64,0020.0%–

61Guernsey County, OHOH38,3790.0%–

62Madison County, OHOH46,9850.0%–

63Columbiana County, OHOH99,3770.0%–

64Paulding County, OHOH18,7270.0%–

65Muskingum County, OHOH87,0140.0%–

66Wyandot County, OHOH21,5670.0%–

67Putnam County, OHOH34,3800.0%–

SHOWING 1–67 OF 67

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