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Ohio Counties by Median Age

Median age splits the population in half by age and reflects generational composition — younger communities tend to have more families; older ones more retirees.

All 88 counties ranked by Median Age, from highest to lowest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.

States Counties Cities Metros ZIPs
# Counties Median Age
1 Montgomery County, Ohio 51.0
2 Noble County, Ohio 51.0
3 Madison County, Ohio 50.0
4 Ottawa County, Ohio 50.0
5 Scioto County, Ohio 47.0
6 Delaware County, Ohio 46.0
7 Geauga County, Ohio 45.0
8 Summit County, Ohio 45.0
9 Carroll County, Ohio 45.0
10 Wyandot County, Ohio 45.0
11 Erie County, Ohio 45.0
12 Belmont County, Ohio 44.0
13 Columbiana County, Ohio 44.0
14 Jefferson County, Ohio 44.0
15 Greene County, Ohio 44.0
16 Lake County, Ohio 44.0
17 Fairfield County, Ohio 44.0
18 Washington County, Ohio 44.0
19 Shelby County, Ohio 44.0
20 Harrison County, Ohio 44.0
21 Preble County, Ohio 43.0
22 Meigs County, Ohio 43.0
23 Vinton County, Ohio 43.0
24 Trumbull County, Ohio 43.0
25 Crawford County, Ohio 43.0
26 Mahoning County, Ohio 43.0
27 Medina County, Ohio 43.0
28 Adams County, Ohio 42.0
29 Ashtabula County, Ohio 42.0
30 Brown County, Ohio 42.0
31 Darke County, Ohio 42.0
32 Guernsey County, Ohio 42.0
33 Hancock County, Ohio 42.0
34 Logan County, Ohio 42.0
35 Lorain County, Ohio 42.0
36 Sandusky County, Ohio 42.0
37 Ross County, Ohio 41.0
38 Pike County, Ohio 41.0
39 Miami County, Ohio 41.0
40 Perry County, Ohio 41.0
41 Lawrence County, Ohio 41.0
42 Paulding County, Ohio 41.0
43 Clinton County, Ohio 41.0
44 Coshocton County, Ohio 41.0
45 Ashland County, Ohio 41.0
46 Williams County, Ohio 41.0
47 Stark County, Ohio 41.0
48 Van Wert County, Ohio 41.0
49 Hocking County, Ohio 41.0
50 Champaign County, Ohio 41.0
51 Gallia County, Ohio 41.0
52 Clark County, Ohio 41.0
53 Highland County, Ohio 40.0
54 Huron County, Ohio 40.0
55 Knox County, Ohio 40.0
56 Licking County, Ohio 40.0
57 Lucas County, Ohio 40.0
58 Fulton County, Ohio 40.0
59 Marion County, Ohio 40.0
60 Cuyahoga County, Ohio 40.0
61 Clermont County, Ohio 40.0
62 Putnam County, Ohio 40.0
63 Richland County, Ohio 40.0
64 Seneca County, Ohio 40.0
65 Auglaize County, Ohio 40.0
66 Mercer County, Ohio 39.0
67 Portage County, Ohio 39.0
68 Allen County, Ohio 39.0
69 Union County, Ohio 39.0
70 Warren County, Ohio 39.0
71 Pickaway County, Ohio 39.0
72 Monroe County, Ohio 38.0
73 Fayette County, Ohio 38.0
74 Henry County, Ohio 38.0
75 Morrow County, Ohio 38.0
76 Defiance County, Ohio 37.0
77 Butler County, Ohio 37.0
78 Hamilton County, Ohio 36.0
79 Wood County, Ohio 35.0
80 Tuscarawas County, Ohio 35.0
81 Hardin County, Ohio 35.0
82 Muskingum County, Ohio 35.0
83 Franklin County, Ohio 34.0
84 Athens County, Ohio 32.0
85 Holmes County, Ohio 32.0
86 Wayne County, Ohio 30.0
87 Jackson County, Ohio 21.0
88 Morgan County, Ohio 8.0