RANKING · 2024 ACS · 73 SHOWN OF 73

Largest Romanian population, Ohio counties

Ohio counties ranked by the number of residents who are Romanian ancestry, from the 2024 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. The median across all 73 is 52. Biggest climber in the top 100 since 2020: Union County, OH, up 32 places to #23.

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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

RANKPLACESTATEPOPROMANIAN POPULATIONVS 2010

01Cuyahoga County, OHOH1,232,9256,777−6%

02Stark County, OHOH373,7712,847−23%

03▲1Franklin County, OHOH1,361,5361,944+1%

04▼1Summit County, OHOH538,3761,731−23%

05▲4Medina County, OHOH185,0251,529+76%

06▼1Mahoning County, OHOH224,7061,259−28%

07Hamilton County, OHOH838,4181,124−11%

08Lorain County, OHOH323,219911−13%

09▼3Trumbull County, OHOH198,972861−36%

10▲3Lake County, OHOH232,217475−41%

11▲12Warren County, OHOH257,181418+170%

12▼2Montgomery County, OHOH539,598415−39%

13▼2Lucas County, OHOH423,347401−47%

14▼2Columbiana County, OHOH99,377311−28%

15▼1Delaware County, OHOH242,032304−33%

16▲1Portage County, OHOH163,404292−55%

17▼2Clermont County, OHOH216,977281−7%

18▲1Geauga County, OHOH95,676233−22%

19▼3Butler County, OHOH400,128169−37%

20▲5Licking County, OHOH185,564168+8%

21Richland County, OHOH124,893164−6%

22▲6Erie County, OHOH73,296163+17%

23▲32Union County, OHOH73,446150+226%

24▼4Tuscarawas County, OHOH92,373144−27%

25▲9Ashtabula County, OHOH96,713141−58%

26▲3Fairfield County, OHOH169,752139−55%

27▼9Belmont County, OHOH64,434130+83%

28▼2Wood County, OHOH134,176120−50%

29Madison County, OHOH46,985114+777%

30▲3Huron County, OHOH58,250110+6%

31▼4Wayne County, OHOH116,75899−20%

32▲11Pickaway County, OHOH62,97888+1000%

33▲2Marion County, OHOH65,11583+15%

34▲7Logan County, OHOH46,30278+359%

35▲2Allen County, OHOH100,88176+443%

36▼4Athens County, OHOH63,19763−54%

37▲9Greene County, OHOH174,32252−80%

38▲14Ottawa County, OHOH39,48150+16%

39▼15Carroll County, OHOH26,47548−32%

40▼9Jefferson County, OHOH63,59747−62%

41▲3Seneca County, OHOH54,52242+121%

42▲3Vinton County, OHOH12,64540–

43▲24Champaign County, OHOH38,82037+1133%

44Mercer County, OHOH42,73736–

45▲2Clark County, OHOH135,34033−82%

46▲17Sandusky County, OHOH58,65531+210%

47▼11Muskingum County, OHOH87,01430+50%

48▼26Fulton County, OHOH41,85326−30%

49▲8Clinton County, OHOH42,30125+1150%

50Pike County, OHOH27,06123–

51▲22Fayette County, OHOH28,55221+40%

52▲6Miami County, OHOH112,63421−79%

53▲13Ashland County, OHOH52,52317−48%

54▲8Guernsey County, OHOH38,37914−30%

55▼13Hardin County, OHOH30,07213−75%

56Coshocton County, OHOH37,18811−52%

57▲3Holmes County, OHOH44,97011–

58▼18Williams County, OHOH36,54911+83%

59▲11Defiance County, OHOH38,29210−57%

60▼7Paulding County, OHOH18,72710–

61▼2Hocking County, OHOH27,51290%

62Perry County, OHOH35,9189–

63Jackson County, OHOH32,8178–

64▼34Crawford County, OHOH41,8967−72%

65▼1Harrison County, OHOH14,0707–

66▲8Washington County, OHOH58,3897−84%

67▼13Auglaize County, OHOH45,9096−85%

68Morgan County, OHOH13,6265–

69▼4Van Wert County, OHOH29,0135–

70▼22Henry County, OHOH27,5984−88%

71▼22Highland County, OHOH43,8234−86%

72▼34Darke County, OHOH51,5202−97%

73▲3Putnam County, OHOH34,38020%

SHOWING 1–73 OF 73

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES