RANKING · 2020 CENSUS · 76 SHOWN OF 76

Largest Romanian population, Ohio counties · 2020

Ohio counties ranked by the number of residents who are Romanian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 76 counties in Ohio that qualify, ranked against each other statewide.

Romanian Americans: full group profile →

OhioAll states All rankings

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

RANKPLACESTATEPOPROMANIAN POPULATIONVS 2010

01Cuyahoga County, OHOH1,232,9258,144+13%

02Stark County, OHOH373,7713,082−17%

03Summit County, OHOH538,3762,682+19%

04Franklin County, OHOH1,361,5361,674−13%

05Mahoning County, OHOH224,7061,576−9%

06Trumbull County, OHOH198,9721,232−9%

07Hamilton County, OHOH838,418946−25%

08Lorain County, OHOH323,219915−12%

09Medina County, OHOH185,025656−25%

10Montgomery County, OHOH539,598570−17%

11Lucas County, OHOH423,347542−28%

12Columbiana County, OHOH99,377398−8%

13Lake County, OHOH232,217389−52%

14Delaware County, OHOH242,032346−23%

15Clermont County, OHOH216,977264−12%

16Butler County, OHOH400,128255−5%

17Portage County, OHOH163,404233−64%

18Belmont County, OHOH64,434219+208%

19Geauga County, OHOH95,676181−39%

20Tuscarawas County, OHOH92,373173−12%

21Richland County, OHOH124,893155−11%

22Fulton County, OHOH41,853126+241%

23Warren County, OHOH257,181125−19%

24Carroll County, OHOH26,475114+61%

25Licking County, OHOH185,56496−38%

26Wood County, OHOH134,17695−60%

27Wayne County, OHOH116,75891−27%

28Erie County, OHOH73,29687−37%

29Fairfield County, OHOH169,75287−72%

30Crawford County, OHOH41,89682+228%

31Jefferson County, OHOH63,59778−37%

32Athens County, OHOH63,19775−45%

33Huron County, OHOH58,25073−30%

34Ashtabula County, OHOH96,71372−79%

35Marion County, OHOH65,11572+0%

36Muskingum County, OHOH87,01469+245%

37Allen County, OHOH100,88168+386%

38Darke County, OHOH51,52065+7%

39Hancock County, OHOH75,03465+35%

40Williams County, OHOH36,54962+933%

41Logan County, OHOH46,30261+259%

42Hardin County, OHOH30,07256+6%

43Pickaway County, OHOH62,97852+550%

44Seneca County, OHOH54,52250+163%

45Vinton County, OHOH12,64546–

46Greene County, OHOH174,32244−83%

47Clark County, OHOH135,34042−77%

48Henry County, OHOH27,59841+24%

49Highland County, OHOH43,82340+43%

50Morrow County, OHOH36,30540+471%

51Ottawa County, OHOH39,48135−19%

52Lawrence County, OHOH55,71035+289%

53Paulding County, OHOH18,72732–

54Auglaize County, OHOH45,90926−35%

55Union County, OHOH73,44626−43%

56Brown County, OHOH44,39724+26%

57Clinton County, OHOH42,30124+1100%

58Miami County, OHOH112,63423−77%

59Hocking County, OHOH27,51221+133%

60Meigs County, OHOH21,58720–

61Holmes County, OHOH44,97020–

62Guernsey County, OHOH38,37919−5%

63Sandusky County, OHOH58,65517+70%

64Harrison County, OHOH14,07015–

65Van Wert County, OHOH29,01315–

66Ashland County, OHOH52,52314−58%

67Champaign County, OHOH38,82014+367%

68Knox County, OHOH64,00212−33%

69Noble County, OHOH14,27612+20%

70Defiance County, OHOH38,29211−52%

71Scioto County, OHOH71,3659–

72Adams County, OHOH27,8659+200%

73Fayette County, OHOH28,5528−47%

74Washington County, OHOH58,3898−82%

75Preble County, OHOH40,6643−40%

76Putnam County, OHOH34,3801−50%

SHOWING 1–76 OF 76

Download CSV (full list, 76 rows)

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