RANKING · 2024 ACS · 88 SHOWN OF 88

Youngest by median age, Ohio counties

Ohio counties with the youngest median age (2024 ACS). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is 41.3. Biggest climber in the top 100 since 2020: Fayette County, OH, up 27 places to #20.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01▲1Holmes County, OHOH44,97032.7+17%

02▼1Athens County, OHOH63,19733.2+29%

03Franklin County, OHOH1,361,53634.8+7%

04▲2Hardin County, OHOH30,07235.2+6%

05▼1Wood County, OHOH134,17636.2+11%

06▼1Hamilton County, OHOH838,41836.9+4%

07Butler County, OHOH400,12837.2+9%

08▲2Lucas County, OHOH423,34738.5+10%

09▼1Union County, OHOH73,44638.5+12%

10▼1Greene County, OHOH174,32238.7+9%

11▲3Montgomery County, OHOH539,59838.8+7%

12▼1Wayne County, OHOH116,75838.9+10%

13▲3Knox County, OHOH64,00239.4+8%

14▼2Mercer County, OHOH42,73739.4+10%

15Fairfield County, OHOH169,75239.5+9%

16▲6Hancock County, OHOH75,03439.5+10%

17Portage County, OHOH163,40439.6+15%

18▲5Pickaway County, OHOH62,97839.6+10%

19Allen County, OHOH100,88139.7+9%

20▲27Fayette County, OHOH28,55239.9+6%

21▲8Jackson County, OHOH32,81740.0+10%

22▼9Delaware County, OHOH242,03240.1+14%

23▲8Huron County, OHOH58,25040.1+15%

24▲13Marion County, OHOH65,11540.1+8%

25▼7Warren County, OHOH257,18140.1+14%

26▲1Seneca County, OHOH54,52240.2+11%

27▲5Muskingum County, OHOH87,01440.3+10%

28▼7Shelby County, OHOH48,06540.3+16%

29▼4Licking County, OHOH185,56440.3+10%

30▼4Cuyahoga County, OHOH1,232,92540.4+8%

31▼11Putnam County, OHOH34,38040.6+16%

32▼4Clermont County, OHOH216,97740.8+17%

33▼3Clinton County, OHOH42,30140.8+16%

34▲17Richland County, OHOH124,89340.9+8%

35▲5Auglaize County, OHOH45,90941.0+12%

36▲5Highland County, OHOH43,82341.0+14%

37▲6Paulding County, OHOH18,72741.0+12%

38▲6Defiance County, OHOH38,29241.1+13%

39▲6Ross County, OHOH76,42941.1+11%

40▼1Scioto County, OHOH71,36541.1+12%

41▲8Tuscarawas County, OHOH92,37341.1+8%

42▲4Ashland County, OHOH52,52341.2+13%

43▲10Clark County, OHOH135,34041.2+10%

44▼8Coshocton County, OHOH37,18841.3+9%

45▼3Miami County, OHOH112,63441.3+10%

46▼13Perry County, OHOH35,91841.3+18%

47▲1Gallia County, OHOH29,07241.4+11%

48▲2Summit County, OHOH538,37641.4+11%

49▲3Fulton County, OHOH41,85341.5+15%

50▼15Madison County, OHOH46,98541.5+16%

51▲5Henry County, OHOH27,59841.6+14%

52▲5Williams County, OHOH36,54941.6+13%

53▼19Van Wert County, OHOH29,01341.6+11%

54▲5Champaign County, OHOH38,82041.7+13%

55▼17Pike County, OHOH27,06141.7+18%

56▲13Wyandot County, OHOH21,56741.7+11%

57▲1Darke County, OHOH51,52041.8+12%

58▼3Stark County, OHOH373,77141.8+9%

59▲5Lawrence County, OHOH55,71041.9+11%

60▲2Logan County, OHOH46,30241.9+14%

61▼7Adams County, OHOH27,86542.1+16%

62▼2Lorain County, OHOH323,21942.1+15%

63Brown County, OHOH44,39742.5+20%

64▲3Sandusky County, OHOH58,65542.5+14%

65▲1Guernsey County, OHOH38,37942.9+14%

66▲4Ashtabula County, OHOH96,71343.0+14%

67▲6Mahoning County, OHOH224,70643.2+9%

68▼7Morrow County, OHOH36,30543.2+18%

69▼4Medina County, OHOH185,02543.3+18%

70▼2Preble County, OHOH40,66443.3+15%

71▲4Crawford County, OHOH41,89643.4+14%

72▼1Hocking County, OHOH27,51243.4+15%

73▲6Trumbull County, OHOH198,97243.7+12%

74Washington County, OHOH58,38944.0+13%

75▼3Vinton County, OHOH12,64544.0+24%

76▲5Belmont County, OHOH64,43444.1+8%

77▼1Meigs County, OHOH21,58744.1+14%

78Lake County, OHOH232,21744.1+14%

79▼2Jefferson County, OHOH63,59744.3+6%

80Columbiana County, OHOH99,37744.6+16%

81▲1Morgan County, OHOH13,62644.6+15%

82▲1Geauga County, OHOH95,67645.0+16%

83▲1Erie County, OHOH73,29645.3+15%

84▲2Harrison County, OHOH14,07045.5+11%

85Carroll County, OHOH26,47545.6+18%

86▲1Monroe County, OHOH12,99446.3+13%

87▲1Ottawa County, OHOH39,48150.6+23%

88▼64Noble County, OHOH14,27653.4+50%

SHOWING 1–88 OF 88

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