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

Counties in Michigan by share of population aged 65 and over

Ontonagon County had the highest share of population aged 65 and over of 83 counties in 2020, at 37%. Kent County had the lowest, at 14.5%. The median was 21.3% and the figure for Michigan was 18%. Source: the U.S. Census Bureau.

Highest37Ontonagon County
Lowest14.5Kent County
Median21.383 counties
Michigan18History

Top 40 counties, 2020

CSVChart (SVG)

Ontonagon CountyOntonagon County: 37 %37Keweenaw CountyKeweenaw County: 35.9 %35.9Alcona CountyAlcona County: 35.8 %35.8Roscommon CountyRoscommon County: 33.1 %33.1Montmorency CountyMontmorency County: 33.1 %33.1Presque Isle CountyPresque Isle County: 33 %33Leelanau CountyLeelanau County: 32.7 %32.7Iosco CountyIosco County: 30.2 %30.2Iron CountyIron County: 29.9 %29.9Mackinac CountyMackinac County: 29.8 %29.8Oscoda CountyOscoda County: 29.6 %29.6Antrim CountyAntrim County: 28.2 %28.2Gogebic CountyGogebic County: 28.2 %28.2Schoolcraft CountySchoolcraft County: 28.1 %28.1Cheboygan CountyCheboygan County: 27.9 %27.9Benzie CountyBenzie County: 27.4 %27.4Gladwin CountyGladwin County: 27.3 %27.3Manistee CountyManistee County: 26.8 %26.8Ogemaw CountyOgemaw County: 26.6 %26.6Lake CountyLake County: 26.6 %26.6Huron CountyHuron County: 26.5 %26.5Crawford CountyCrawford County: 26.3 %26.3Arenac CountyArenac County: 26.3 %26.3Charlevoix CountyCharlevoix County: 25.8 %25.8Alger CountyAlger County: 25.6 %25.6Menominee CountyMenominee County: 25.6 %25.6Mason CountyMason County: 25.3 %25.3Delta CountyDelta County: 25 %25Alpena CountyAlpena County: 24.9 %24.9Emmet CountyEmmet County: 24.7 %24.7Clare CountyClare County: 24.4 %24.4Baraga CountyBaraga County: 23.8 %23.8Dickinson CountyDickinson County: 23.5 %23.5Luce CountyLuce County: 22.2 %22.2Sanilac CountySanilac County: 22.2 %22.2Otsego CountyOtsego County: 22 %22Kalkaska CountyKalkaska County: 22 %22Oceana CountyOceana County: 21.6 %21.6Missaukee CountyMissaukee County: 21.6 %21.6Grand Traverse CountyGrand Traverse County: 21.5 %21.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Ontonagon County37
2Keweenaw County35.9
3Alcona County35.8
4Roscommon County33.1
5Montmorency County33.1
6Presque Isle County33
7Leelanau County32.7
8Iosco County30.2
9Iron County29.9
10Mackinac County29.8
11Oscoda County29.6
12Antrim County28.2
13Gogebic County28.2
14Schoolcraft County28.1
15Cheboygan County27.9
16Benzie County27.4
17Gladwin County27.3
18Manistee County26.8
19Ogemaw County26.6
20Lake County26.6
21Huron County26.5
22Crawford County26.3
23Arenac County26.3
24Charlevoix County25.8
25Alger County25.6
26Menominee County25.6
27Mason County25.3
28Delta County25
29Alpena County24.9
30Emmet County24.7
31Clare County24.4
32Baraga County23.8
33Dickinson County23.5
34Luce County22.2
35Sanilac County22.2
36Otsego County22
37Kalkaska County22
38Oceana County21.6
39Missaukee County21.6
40Grand Traverse County21.5
41Bay County21.3
42Cass County21.3
43Osceola County21.3
44Tuscola County21.2
45Berrien County20.9
46Hillsdale County20.6
47Marquette County20.5
48Mecosta County20.4
49Wexford County20.2
50Newaygo County20.2
51Saginaw County20.1
52Lenawee County20.1
53Shiawassee County19.9
54Midland County19.8
55St. Clair County19.7
56Eaton County19.6
57Lapeer County19.4
58Van Buren County19.3
59Barry County19.1
60Chippewa County19.1
61Branch County19
62Monroe County18.8
63Jackson County18.7
64St. Joseph County18.5
65Calhoun County18.5
66Livingston County18.4
67Houghton County18.3
68Muskegon County18.2
69Gratiot County18.2
70Genesee County18.1
71Clinton County18.1
72Oakland County17.8
73Montcalm County17.8
74Macomb County17.8
75Allegan County17.5
76Kalamazoo County16.4
77Ottawa County16
78Wayne County15.5
79Ionia County15.3
80Washtenaw County14.9
81Isabella County14.9
82Ingham County14.6
83Kent County14.5

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.

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Rank Counties in Michigan 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":"Michigan","limit":10}
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Questions

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

Ontonagon County, with 37% in 2020, according to the U.S. Census Bureau.

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

Kent County, with 14.5% 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 Michigan: more rankings