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

Counties in Michigan by share of population aged 65 and over, 2025

Ontonagon County had the highest share of population aged 65 and over of 83 counties in 2025, at 39.2%. Ingham County had the lowest, at 16.3%. The median was 24% and the figure for Michigan was 20.5%. Source: the U.S. Census Bureau.

Highest39.2Ontonagon County
Lowest16.3Ingham County
Median2483 counties
Michigan20.5History

Top 40 counties, 2025

CSVChart (SVG)

Ontonagon CountyOntonagon County: 39.2 %39.2Keweenaw CountyKeweenaw County: 38.1 %38.1Alcona CountyAlcona County: 37.4 %37.4Leelanau CountyLeelanau County: 36.6 %36.6Presque Isle CountyPresque Isle County: 36.6 %36.6Roscommon CountyRoscommon County: 36.3 %36.3Montmorency CountyMontmorency County: 35.4 %35.4Iron CountyIron County: 34 %34Iosco CountyIosco County: 33 %33Oscoda CountyOscoda County: 32.8 %32.8Mackinac CountyMackinac County: 32.2 %32.2Schoolcraft CountySchoolcraft County: 32.1 %32.1Benzie CountyBenzie County: 31.1 %31.1Gogebic CountyGogebic County: 30.9 %30.9Antrim CountyAntrim County: 30.7 %30.7Cheboygan CountyCheboygan County: 30.6 %30.6Charlevoix CountyCharlevoix County: 30.6 %30.6Manistee CountyManistee County: 30.1 %30.1Ogemaw CountyOgemaw County: 30.1 %30.1Arenac CountyArenac County: 30 %30Huron CountyHuron County: 29.7 %29.7Alger CountyAlger County: 29.4 %29.4Menominee CountyMenominee County: 29.4 %29.4Gladwin CountyGladwin County: 28.9 %28.9Mason CountyMason County: 28.8 %28.8Crawford CountyCrawford County: 28.6 %28.6Lake CountyLake County: 28.6 %28.6Emmet CountyEmmet County: 28.5 %28.5Delta CountyDelta County: 28.2 %28.2Alpena CountyAlpena County: 27.9 %27.9Clare CountyClare County: 27.5 %27.5Dickinson CountyDickinson County: 26.7 %26.7Baraga CountyBaraga County: 25.8 %25.8Sanilac CountySanilac County: 25.2 %25.2Grand Traverse CountyGrand Traverse County: 25.1 %25.1Oceana CountyOceana County: 24.9 %24.9Kalkaska CountyKalkaska County: 24.6 %24.6Luce CountyLuce County: 24.2 %24.2Bay CountyBay County: 24.2 %24.2Otsego CountyOtsego County: 24.2 %24.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2025 (%)Change on 2024
1Ontonagon County39.2+0.4 pts
2Keweenaw County38.1+0.4 pts
3Alcona County37.4+0.6 pts
4Leelanau County36.6+0.7 pts
5Presque Isle County36.6+1 pts
6Roscommon County36.3+0.9 pts
7Montmorency County35.4+0.9 pts
8Iron County34+1.3 pts
9Iosco County33+0.9 pts
10Oscoda County32.8+0.7 pts
11Mackinac County32.2+0.2 pts
12Schoolcraft County32.1+0.9 pts
13Benzie County31.1+0.7 pts
14Gogebic County30.9+0.5 pts
15Antrim County30.7+0.4 pts
16Cheboygan County30.6+0.6 pts
17Charlevoix County30.6+1 pts
18Manistee County30.1+0.7 pts
19Ogemaw County30.1+0.5 pts
20Arenac County30+0.8 pts
21Huron County29.7+0.7 pts
22Alger County29.4+0.6 pts
23Menominee County29.4+0.9 pts
24Gladwin County28.9+0.4 pts
25Mason County28.8+0.7 pts
26Crawford County28.6+0.3 pts
27Lake County28.6+0.7 pts
28Emmet County28.5+0.8 pts
29Delta County28.2+0.7 pts
30Alpena County27.9+0.7 pts
31Clare County27.5+0.8 pts
32Dickinson County26.7+0.7 pts
33Baraga County25.8+0.7 pts
34Sanilac County25.2+0.7 pts
35Grand Traverse County25.1+0.6 pts
36Oceana County24.9+0.5 pts
37Kalkaska County24.6+0.7 pts
38Luce County24.2+0.4 pts
39Bay County24.2+0.6 pts
40Otsego County24.2+0.6 pts
41Missaukee County24+0.3 pts
42Berrien County24+0.6 pts
43Cass County24+0.5 pts
44Tuscola County23.9+0.6 pts
45Osceola County23.6+0.6 pts
46Hillsdale County23.2+0.4 pts
47Lenawee County22.9+0.5 pts
48St. Clair County22.8+0.6 pts
49Wexford County22.7+0.5 pts
50Newaygo County22.7+0.5 pts
51Lapeer County22.6+0.6 pts
52Van Buren County22.5+0.7 pts
53Marquette County22.5+0.3 pts
54Mecosta County22.5+0.7 pts
55Midland County22.4+0.5 pts
56Saginaw County22.4+0.5 pts
57Livingston County22.3+0.8 pts
58Shiawassee County22.2+0.4 pts
59Eaton County22+0.4 pts
60Barry County22+0.7 pts
61Monroe County21.5+0.6 pts
62Jackson County21.5+0.6 pts
63Chippewa County21.3+0.3 pts
64Branch County21.1+0.5 pts
65Clinton County20.8+0.5 pts
66Allegan County20.7+0.6 pts
67Muskegon County20.6+0.5 pts
68St. Joseph County20.6+0.4 pts
69Genesee County20.5+0.4 pts
70Oakland County20.3+0.5 pts
71Calhoun County20.2+0.3 pts
72Macomb County20.2+0.5 pts
73Gratiot County20.1+0.5 pts
74Montcalm County20.1+0.6 pts
75Houghton County19.5+0.2 pts
76Ottawa County18.6+0.5 pts
77Ionia County18.4+0.6 pts
78Kalamazoo County18.3+0.3 pts
79Wayne County17.8+0.4 pts
80Washtenaw County17.7+0.5 pts
81Isabella County16.8+0.4 pts
82Kent County16.6+0.4 pts
83Ingham County16.3+0.2 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 39.2% in 2025, according to the U.S. Census Bureau.

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

Ingham County, with 16.3% in 2025.

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