RANKING · 1990 CENSUS · 88 SHOWN OF 88

Fewest graduate degrees, Ohio counties · 1990

Ohio counties with the smallest share of adults 25+ holding a graduate or professional degree (1990 ACS). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Vinton County, OHOH12,6451.6%–

02Noble County, OHOH14,2761.6%–

03Holmes County, OHOH44,9701.7%–

04Harrison County, OHOH14,0702.0%–

05Fayette County, OHOH28,5522.1%–

06Adams County, OHOH27,8652.2%–

07Perry County, OHOH35,9182.2%–

08Morgan County, OHOH13,6262.3%–

09Meigs County, OHOH21,5872.4%–

10Preble County, OHOH40,6642.4%–

11Coshocton County, OHOH37,1882.4%–

12Highland County, OHOH43,8232.5%–

13Morrow County, OHOH36,3052.5%–

14Wyandot County, OHOH21,5672.5%–

15Guernsey County, OHOH38,3792.6%–

16Monroe County, OHOH12,9942.6%–

17Henry County, OHOH27,5982.7%–

18Madison County, OHOH46,9852.7%–

19Williams County, OHOH36,5492.7%–

20Hocking County, OHOH27,5122.7%–

21Putnam County, OHOH34,3802.8%–

22Jefferson County, OHOH63,5972.8%–

23Paulding County, OHOH18,7272.8%–

24Columbiana County, OHOH99,3772.9%–

25Ashtabula County, OHOH96,7132.9%–

26Champaign County, OHOH38,8202.9%–

27Pickaway County, OHOH62,9782.9%–

28Jackson County, OHOH32,8173.0%–

29Huron County, OHOH58,2503.0%–

30Crawford County, OHOH41,8963.0%–

31Ross County, OHOH76,4293.0%–

32Tuscarawas County, OHOH92,3733.0%–

33Seneca County, OHOH54,5223.0%–

34Marion County, OHOH65,1153.0%–

35Carroll County, OHOH26,4753.1%–

36Lawrence County, OHOH55,7103.1%–

37Brown County, OHOH44,3973.2%–

38Scioto County, OHOH71,3653.2%–

39Van Wert County, OHOH29,0133.2%–

40Darke County, OHOH51,5203.2%–

41Belmont County, OHOH64,4343.2%–

42Pike County, OHOH27,0613.2%–

43Auglaize County, OHOH45,9093.2%–

44Mercer County, OHOH42,7373.3%–

45Fulton County, OHOH41,8533.3%–

46Logan County, OHOH46,3023.3%–

47Sandusky County, OHOH58,6553.4%–

48Richland County, OHOH124,8933.4%–

49Defiance County, OHOH38,2923.4%–

50Allen County, OHOH100,8813.5%–

51Muskingum County, OHOH87,0143.6%–

52Shelby County, OHOH48,0653.7%–

53Clinton County, OHOH42,3013.8%–

54Trumbull County, OHOH198,9723.8%–

55Union County, OHOH73,4463.8%–

56Ashland County, OHOH52,5234.2%–

57Knox County, OHOH64,0024.2%–

58Ottawa County, OHOH39,4814.2%–

59Lorain County, OHOH323,2194.3%–

60Gallia County, OHOH29,0724.3%–

61Hardin County, OHOH30,0724.3%–

62Washington County, OHOH58,3894.4%–

63Miami County, OHOH112,6344.4%–

64Mahoning County, OHOH224,7064.5%–

65Licking County, OHOH185,5644.5%–

66Clermont County, OHOH216,9774.6%–

67Clark County, OHOH135,3404.6%–

68Stark County, OHOH373,7714.6%–

69Erie County, OHOH73,2964.6%–

70Wayne County, OHOH116,7584.8%–

71Fairfield County, OHOH169,7524.8%–

72Medina County, OHOH185,0254.9%–

73Lake County, OHOH232,2175.2%–

74Hancock County, OHOH75,0345.5%–

75Warren County, OHOH257,1815.9%–

76Lucas County, OHOH423,3476.0%–

77Summit County, OHOH538,3766.3%–

78Portage County, OHOH163,4046.6%–

79Butler County, OHOH400,1286.8%–

80Montgomery County, OHOH539,5987.0%–

81Cuyahoga County, OHOH1,232,9257.4%–

82Wood County, OHOH134,1768.3%–

83Hamilton County, OHOH838,4188.6%–

84Geauga County, OHOH95,6769.1%–

85Franklin County, OHOH1,361,5369.1%–

86Delaware County, OHOH242,0329.3%–

87Greene County, OHOH174,32211.1%–

88Athens County, OHOH63,19712.0%–

SHOWING 1–88 OF 88

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