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 2024, at 38.8%. Ingham County had the lowest, at 16%. The median was 23.5% and the figure for Michigan was 20%. Source: the U.S. Census Bureau.

Highest38.8Ontonagon County
Lowest16Ingham County
Median23.583 counties
Michigan20History

Top 40 counties, 2024

CSVChart (SVG)

Ontonagon CountyOntonagon County: 38.8 %38.8Keweenaw CountyKeweenaw County: 37.6 %37.6Alcona CountyAlcona County: 36.8 %36.8Leelanau CountyLeelanau County: 35.9 %35.9Presque Isle CountyPresque Isle County: 35.6 %35.6Roscommon CountyRoscommon County: 35.4 %35.4Montmorency CountyMontmorency County: 34.5 %34.5Iron CountyIron County: 32.7 %32.7Iosco CountyIosco County: 32.1 %32.1Oscoda CountyOscoda County: 32.1 %32.1Mackinac CountyMackinac County: 32 %32Schoolcraft CountySchoolcraft County: 31.2 %31.2Gogebic CountyGogebic County: 30.4 %30.4Benzie CountyBenzie County: 30.4 %30.4Antrim CountyAntrim County: 30.2 %30.2Cheboygan CountyCheboygan County: 29.9 %29.9Ogemaw CountyOgemaw County: 29.6 %29.6Charlevoix CountyCharlevoix County: 29.5 %29.5Manistee CountyManistee County: 29.4 %29.4Arenac CountyArenac County: 29.2 %29.2Huron CountyHuron County: 29 %29Alger CountyAlger County: 28.9 %28.9Menominee CountyMenominee County: 28.5 %28.5Gladwin CountyGladwin County: 28.5 %28.5Crawford CountyCrawford County: 28.4 %28.4Mason CountyMason County: 28.1 %28.1Lake CountyLake County: 27.8 %27.8Emmet CountyEmmet County: 27.7 %27.7Delta CountyDelta County: 27.4 %27.4Alpena CountyAlpena County: 27.2 %27.2Clare CountyClare County: 26.7 %26.7Dickinson CountyDickinson County: 26 %26Baraga CountyBaraga County: 25.1 %25.1Sanilac CountySanilac County: 24.5 %24.5Grand Traverse CountyGrand Traverse County: 24.5 %24.5Oceana CountyOceana County: 24.4 %24.4Luce CountyLuce County: 23.9 %23.9Kalkaska CountyKalkaska County: 23.8 %23.8Missaukee CountyMissaukee County: 23.7 %23.7Bay CountyBay County: 23.6 %23.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1Ontonagon County38.8+0.3 pts
2Keweenaw County37.6+1.1 pts
3Alcona County36.8+0.4 pts
4Leelanau County35.9+1 pts
5Presque Isle County35.6+0.8 pts
6Roscommon County35.4+0.9 pts
7Montmorency County34.5+0.9 pts
8Iron County32.7+1 pts
9Iosco County32.1+0.6 pts
10Oscoda County32.1+0.9 pts
11Mackinac County32+0.2 pts
12Schoolcraft County31.2+1 pts
13Gogebic County30.4+0.5 pts
14Benzie County30.4+0.7 pts
15Antrim County30.2+0.8 pts
16Cheboygan County29.9+0.7 pts
17Ogemaw County29.6+0.8 pts
18Charlevoix County29.5+1 pts
19Manistee County29.4+0.6 pts
20Arenac County29.2+1 pts
21Huron County29+0.8 pts
22Alger County28.9+0.8 pts
23Menominee County28.5+0.5 pts
24Gladwin County28.5+0.6 pts
25Crawford County28.4+0.8 pts
26Mason County28.1+0.9 pts
27Lake County27.8+0.5 pts
28Emmet County27.7+0.8 pts
29Delta County27.4+0.7 pts
30Alpena County27.2+0.7 pts
31Clare County26.7+0.8 pts
32Dickinson County26+0.6 pts
33Baraga County25.1+0.6 pts
34Sanilac County24.5+0.7 pts
35Grand Traverse County24.5+0.8 pts
36Oceana County24.4+0.9 pts
37Luce County23.9+0.6 pts
38Kalkaska County23.8+0.4 pts
39Missaukee County23.7+0.6 pts
40Bay County23.6+0.7 pts
41Otsego County23.6+0.4 pts
42Berrien County23.5+0.6 pts
43Cass County23.4+0.7 pts
44Tuscola County23.3+0.6 pts
45Osceola County23+0.3 pts
46Hillsdale County22.8+0.6 pts
47Lenawee County22.4+0.5 pts
48Wexford County22.2+0.6 pts
49Marquette County22.2+0.5 pts
50Newaygo County22.1+0.5 pts
51St. Clair County22.1+0.7 pts
52Lapeer County22+0.7 pts
53Saginaw County22+0.5 pts
54Midland County21.9+0.6 pts
55Van Buren County21.8+0.6 pts
56Shiawassee County21.8+0.4 pts
57Mecosta County21.8+0.7 pts
58Eaton County21.6+0.5 pts
59Livingston County21.5+0.8 pts
60Barry County21.3+0.7 pts
61Chippewa County21+0.4 pts
62Monroe County20.9+0.5 pts
63Jackson County20.9+0.6 pts
64Branch County20.7+0.4 pts
65Clinton County20.3+0.6 pts
66St. Joseph County20.2+0.4 pts
67Muskegon County20.1+0.5 pts
68Genesee County20.1+0.5 pts
69Allegan County20.1+0.6 pts
70Oakland County19.9+0.5 pts
71Calhoun County19.8+0.4 pts
72Macomb County19.7+0.5 pts
73Gratiot County19.6+0.5 pts
74Montcalm County19.5+0.5 pts
75Houghton County19.3+0.3 pts
76Ottawa County18+0.5 pts
77Kalamazoo County18+0.3 pts
78Ionia County17.8+0.5 pts
79Wayne County17.4+0.4 pts
80Washtenaw County17.3+0.5 pts
81Isabella County16.4+0.3 pts
82Kent County16.2+0.4 pts
83Ingham County16+0.3 pts

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

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

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}
GET https://invokely.ai/api/v1/rank?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 38.8% in 2024, according to the U.S. Census Bureau.

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

Ingham County, with 16% in 2024.

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