RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest Finnish population, Ohio counties · 2010

Ohio counties ranked by the number of residents who are Finnish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 67 counties in Ohio that qualify, ranked against each other statewide.

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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 POPULATIONVS 2000

01Ashtabula County, OHOH96,7133,193–

02Lake County, OHOH232,2172,815–

03Cuyahoga County, OHOH1,232,9252,144–

04Franklin County, OHOH1,361,5361,723–

05Trumbull County, OHOH198,9721,139–

06Summit County, OHOH538,376956–

07Butler County, OHOH400,128582–

08Lucas County, OHOH423,347566–

09Hamilton County, OHOH838,418491–

10Lorain County, OHOH323,219486–

11Montgomery County, OHOH539,598456–

12Geauga County, OHOH95,676453–

13Warren County, OHOH257,181417–

14Mahoning County, OHOH224,706389–

15Medina County, OHOH185,025373–

16Stark County, OHOH373,771349–

17Delaware County, OHOH242,032292–

18Portage County, OHOH163,404258–

19Clermont County, OHOH216,977215–

20Wayne County, OHOH116,758196–

21Wood County, OHOH134,176181–

22Champaign County, OHOH38,820176–

23Clark County, OHOH135,340163–

24Licking County, OHOH185,564125–

25Allen County, OHOH100,881119–

26Greene County, OHOH174,322101–

27Union County, OHOH73,44697–

28Richland County, OHOH124,89397–

29Erie County, OHOH73,29696–

30Perry County, OHOH35,91886–

31Gallia County, OHOH29,07283–

32Marion County, OHOH65,11571–

33Fulton County, OHOH41,85365–

34Athens County, OHOH63,19764–

35Hancock County, OHOH75,03460–

36Belmont County, OHOH64,43459–

37Sandusky County, OHOH58,65552–

38Auglaize County, OHOH45,90951–

39Fairfield County, OHOH169,75250–

40Pike County, OHOH27,06147–

41Holmes County, OHOH44,97044–

42Huron County, OHOH58,25040–

43Logan County, OHOH46,30239–

44Jefferson County, OHOH63,59735–

45Brown County, OHOH44,39733–

46Miami County, OHOH112,63431–

47Ottawa County, OHOH39,48130–

48Harrison County, OHOH14,07029–

49Ross County, OHOH76,42928–

50Washington County, OHOH58,38925–

51Columbiana County, OHOH99,37719–

52Defiance County, OHOH38,29218–

53Henry County, OHOH27,59818–

54Knox County, OHOH64,00218–

55Shelby County, OHOH48,06515–

56Hardin County, OHOH30,07215–

57Jackson County, OHOH32,81714–

58Clinton County, OHOH42,30113–

59Coshocton County, OHOH37,18813–

60Williams County, OHOH36,54912–

61Muskingum County, OHOH87,01412–

62Morgan County, OHOH13,62610–

63Guernsey County, OHOH38,3799–

64Madison County, OHOH46,9859–

65Wyandot County, OHOH21,5673–

66Paulding County, OHOH18,7273–

67Putnam County, OHOH34,3801–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

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