Data / Rankings / Population aged 65 and over / Counties in Ohio

Counties in Ohio by share of population aged 65 and over

Ottawa County had the highest share of population aged 65 and over of 88 counties in 2020, at 26.3%. Franklin County had the lowest, at 12.7%. The median was 19.3% and the figure for Ohio was 18%. Source: the U.S. Census Bureau.

Highest26.3Ottawa County
Lowest12.7Franklin County
Median19.388 counties
Ohio18History

Top 40 counties, 2020

CSVChart (SVG)

Ottawa CountyOttawa County: 26.3 %26.3Monroe CountyMonroe County: 24.8 %24.8Erie CountyErie County: 23.7 %23.7Harrison CountyHarrison County: 23.2 %23.2Morgan CountyMorgan County: 22.5 %22.5Geauga CountyGeauga County: 22.4 %22.4Trumbull CountyTrumbull County: 22.3 %22.3Mahoning CountyMahoning County: 22.2 %22.2Carroll CountyCarroll County: 22.2 %22.2Jefferson CountyJefferson County: 22.2 %22.2Belmont CountyBelmont County: 22.2 %22.2Crawford CountyCrawford County: 21.9 %21.9Columbiana CountyColumbiana County: 21.6 %21.6Washington CountyWashington County: 21.6 %21.6Meigs CountyMeigs County: 21.4 %21.4Lake CountyLake County: 21.2 %21.2Darke CountyDarke County: 20.9 %20.9Guernsey CountyGuernsey County: 20.7 %20.7Wyandot CountyWyandot County: 20.7 %20.7Preble CountyPreble County: 20.6 %20.6Ashtabula CountyAshtabula County: 20.6 %20.6Ashland CountyAshland County: 20.5 %20.5Clark CountyClark County: 20.4 %20.4Stark CountyStark County: 20.4 %20.4Sandusky CountySandusky County: 20.3 %20.3Richland CountyRichland County: 20.3 %20.3Tuscarawas CountyTuscarawas County: 20.2 %20.2Williams CountyWilliams County: 20.1 %20.1Defiance CountyDefiance County: 20.1 %20.1Lawrence CountyLawrence County: 20 %20Coshocton CountyCoshocton County: 19.8 %19.8Henry CountyHenry County: 19.7 %19.7Paulding CountyPaulding County: 19.7 %19.7Gallia CountyGallia County: 19.7 %19.7Hocking CountyHocking County: 19.7 %19.7Fulton CountyFulton County: 19.6 %19.6Logan CountyLogan County: 19.6 %19.6Lorain CountyLorain County: 19.6 %19.6Auglaize CountyAuglaize County: 19.5 %19.5Van Wert CountyVan Wert County: 19.5 %19.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Ottawa County26.3
2Monroe County24.8
3Erie County23.7
4Harrison County23.2
5Morgan County22.5
6Geauga County22.4
7Trumbull County22.3
8Mahoning County22.2
9Carroll County22.2
10Jefferson County22.2
11Belmont County22.2
12Crawford County21.9
13Columbiana County21.6
14Washington County21.6
15Meigs County21.4
16Lake County21.2
17Darke County20.9
18Guernsey County20.7
19Wyandot County20.7
20Preble County20.6
21Ashtabula County20.6
22Ashland County20.5
23Clark County20.4
24Stark County20.4
25Sandusky County20.3
26Richland County20.3
27Tuscarawas County20.2
28Williams County20.1
29Defiance County20.1
30Lawrence County20
31Coshocton County19.8
32Henry County19.7
33Paulding County19.7
34Gallia County19.7
35Hocking County19.7
36Fulton County19.6
37Logan County19.6
38Lorain County19.6
39Auglaize County19.5
40Van Wert County19.5
41Miami County19.5
42Champaign County19.4
43Fayette County19.3
44Brown County19.3
45Seneca County19.2
46Medina County19.2
47Knox County19.1
48Summit County19.1
49Adams County19.1
50Allen County19
51Vinton County19
52Highland County19
53Cuyahoga County18.9
54Muskingum County18.9
55Scioto County18.9
56Morrow County18.8
57Hancock County18.7
58Wayne County18.7
59Mercer County18.6
60Huron County18.6
61Montgomery County18.5
62Marion County18.5
63Jackson County18.5
64Putnam County18.3
65Pike County18.3
66Clinton County18.1
67Portage County18.1
68Greene County18
69Perry County17.9
70Ross County17.9
71Clermont County17.6
72Licking County17.6
73Shelby County17.5
74Lucas County17.3
75Noble County17.2
76Hardin County17.2
77Pickaway County16.9
78Fairfield County16.8
79Wood County16.8
80Madison County16.6
81Hamilton County16.2
82Warren County15.6
83Butler County15.5
84Delaware County14.6
85Athens County14.6
86Holmes County14.4
87Union County13.1
88Franklin County12.7

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

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Rank Counties in Ohio by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Ohio","limit":10}
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Questions

Which county has the highest share of population aged 65 and over?

Ottawa County, with 26.3% in 2020, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Franklin County, with 12.7% in 2020.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in Ohio: more rankings