RANKING · 2010 CENSUS · 73 SHOWN OF 73

Largest Romanian population, Ohio counties · 2010

Ohio counties ranked by the number of residents who are Romanian 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 73 counties in Ohio that qualify, ranked against each other statewide.

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 2000

01Cuyahoga County, OHOH1,232,9257,213–

02Stark County, OHOH373,7713,717–

03Summit County, OHOH538,3762,246–

04Franklin County, OHOH1,361,5361,923–

05Mahoning County, OHOH224,7061,741–

06Trumbull County, OHOH198,9721,351–

07Hamilton County, OHOH838,4181,259–

08Lorain County, OHOH323,2191,042–

09Medina County, OHOH185,025870–

10Lake County, OHOH232,217805–

11Lucas County, OHOH423,347752–

12Montgomery County, OHOH539,598683–

13Portage County, OHOH163,404645–

14Delaware County, OHOH242,032451–

15Columbiana County, OHOH99,377434–

16Ashtabula County, OHOH96,713339–

17Fairfield County, OHOH169,752308–

18Clermont County, OHOH216,977301–

19Geauga County, OHOH95,676298–

20Butler County, OHOH400,128269–

21Greene County, OHOH174,322260–

22Wood County, OHOH134,176240–

23Tuscarawas County, OHOH92,373197–

24Clark County, OHOH135,340179–

25Richland County, OHOH124,893175–

26Warren County, OHOH257,181155–

27Licking County, OHOH185,564155–

28Erie County, OHOH73,296139–

29Athens County, OHOH63,197137–

30Wayne County, OHOH116,758124–

31Jefferson County, OHOH63,597123–

32Huron County, OHOH58,250104–

33Miami County, OHOH112,63498–

34Marion County, OHOH65,11572–

35Belmont County, OHOH64,43471–

36Carroll County, OHOH26,47571–

37Darke County, OHOH51,52061–

38Hardin County, OHOH30,07253–

39Hancock County, OHOH75,03448–

40Union County, OHOH73,44646–

41Washington County, OHOH58,38945–

42Ottawa County, OHOH39,48143–

43Auglaize County, OHOH45,90940–

44Fulton County, OHOH41,85337–

45Ashland County, OHOH52,52333–

46Henry County, OHOH27,59833–

47Highland County, OHOH43,82328–

48Wyandot County, OHOH21,56725–

49Crawford County, OHOH41,89625–

50Coshocton County, OHOH37,18823–

51Defiance County, OHOH38,29223–

52Guernsey County, OHOH38,37920–

53Muskingum County, OHOH87,01420–

54Seneca County, OHOH54,52219–

55Brown County, OHOH44,39719–

56Knox County, OHOH64,00218–

57Logan County, OHOH46,30217–

58Fayette County, OHOH28,55215–

59Allen County, OHOH100,88114–

60Madison County, OHOH46,98513–

61Ross County, OHOH76,42912–

62Sandusky County, OHOH58,65510–

63Noble County, OHOH14,27610–

64Hocking County, OHOH27,5129–

65Lawrence County, OHOH55,7109–

66Pickaway County, OHOH62,9788–

67Morrow County, OHOH36,3057–

68Williams County, OHOH36,5496–

69Preble County, OHOH40,6645–

70Adams County, OHOH27,8653–

71Champaign County, OHOH38,8203–

72Clinton County, OHOH42,3012–

73Putnam County, OHOH34,3802–

SHOWING 1–73 OF 73

Download CSV (full list, 73 rows)

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