RANKING · 2010 CENSUS · 88 SHOWN OF 88

Oldest housing stock, Ohio counties · 2010

Ohio counties ranked by oldest median year of construction (2010 ACS). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is 1968.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Seneca County, OHOH54,52219520%

02Crawford County, OHOH41,89619530%

03Van Wert County, OHOH29,01319530%

04Cuyahoga County, OHOH1,232,92519540%

05Harrison County, OHOH14,07019550%

06Belmont County, OHOH64,43419560%

07Darke County, OHOH51,52019570%

08Hardin County, OHOH30,07219570%

09Sandusky County, OHOH58,65519570%

10Wyandot County, OHOH21,5671957+1%

11Ashtabula County, OHOH96,71319580%

12Lucas County, OHOH423,34719580%

13Jefferson County, OHOH63,59719580%

14Hamilton County, OHOH838,41819580%

15Henry County, OHOH27,59819590%

16Mahoning County, OHOH224,70619590%

17Marion County, OHOH65,11519590%

18Columbiana County, OHOH99,37719600%

19Trumbull County, OHOH198,97219610%

20Allen County, OHOH100,88119620%

21Clark County, OHOH135,34019620%

22Richland County, OHOH124,89319620%

23Stark County, OHOH373,77119620%

24Coshocton County, OHOH37,18819630%

25Defiance County, OHOH38,29219630%

26Erie County, OHOH73,29619630%

27Williams County, OHOH36,54919630%

28Summit County, OHOH538,37619630%

29Montgomery County, OHOH539,59819640%

30Tuscarawas County, OHOH92,37319640%

31Auglaize County, OHOH45,90919650%

32Huron County, OHOH58,25019650%

33Miami County, OHOH112,63419650%

34Muskingum County, OHOH87,01419650%

35Scioto County, OHOH71,36519650%

36Preble County, OHOH40,66419660%

37Ashland County, OHOH52,5231967+1%

38Fulton County, OHOH41,85319670%

39Lorain County, OHOH323,21919670%

40Mercer County, OHOH42,73719670%

41Monroe County, OHOH12,99419670%

42Paulding County, OHOH18,72719670%

43Logan County, OHOH46,30219670%

44Champaign County, OHOH38,8201968+1%

45Guernsey County, OHOH38,37919680%

46Noble County, OHOH14,27619680%

47Shelby County, OHOH48,06519680%

48Lake County, OHOH232,21719680%

49Fayette County, OHOH28,5521969+1%

50Hancock County, OHOH75,0341969+1%

51Putnam County, OHOH34,38019690%

52Ross County, OHOH76,4291970+1%

53Washington County, OHOH58,38919700%

54Ottawa County, OHOH39,4811971+1%

55Perry County, OHOH35,9181971+1%

56Carroll County, OHOH26,47519710%

57Greene County, OHOH174,32219720%

58Knox County, OHOH64,0021972+1%

59Meigs County, OHOH21,58719720%

60Morgan County, OHOH13,62619720%

61Wayne County, OHOH116,75819720%

62Franklin County, OHOH1,361,53619720%

63Clinton County, OHOH42,3011973+1%

64Holmes County, OHOH44,97019730%

65Lawrence County, OHOH55,71019730%

66Madison County, OHOH46,9851973+1%

67Wood County, OHOH134,17619740%

68Geauga County, OHOH95,67619740%

69Hocking County, OHOH27,51219740%

70Jackson County, OHOH32,8171974+1%

71Portage County, OHOH163,40419740%

72Pickaway County, OHOH62,9781974+1%

73Morrow County, OHOH36,3051975+1%

74Licking County, OHOH185,5641975+1%

75Athens County, OHOH63,1971976+1%

76Highland County, OHOH43,8231976+1%

77Butler County, OHOH400,1281976+1%

78Adams County, OHOH27,86519770%

79Fairfield County, OHOH169,7521977+1%

80Gallia County, OHOH29,07219770%

81Medina County, OHOH185,0251979+1%

82Pike County, OHOH27,0611979+1%

83Brown County, OHOH44,3971980+1%

84Vinton County, OHOH12,6451980+1%

85Clermont County, OHOH216,97719810%

86Union County, OHOH73,4461982+1%

87Warren County, OHOH257,1811990+1%

88Delaware County, OHOH242,0321995+1%

SHOWING 1–88 OF 88

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS