Data / Rankings / Median age / Counties in Michigan

Counties in Michigan by median age, 2024

Alcona County had the highest median age of 83 counties in 2024, at 60 years. Isabella County had the lowest, at 30.1 years. The median was 44.2 years and the figure for Michigan was 40.2 years. Source: the U.S. Census Bureau.

Highest60Alcona County
Lowest30.1Isabella County
Median44.283 counties
Michigan40.2History

Top 40 counties, 2024

CSVChart (SVG)

Alcona CountyAlcona County: 60 years60Ontonagon CountyOntonagon County: 59.8 years59.8Roscommon CountyRoscommon County: 57.7 years57.7Keweenaw CountyKeweenaw County: 57.1 years57.1Montmorency CountyMontmorency County: 56.9 years56.9Presque Isle CountyPresque Isle County: 56.1 years56.1Leelanau CountyLeelanau County: 55.9 years55.9Iosco CountyIosco County: 53.5 years53.5Iron CountyIron County: 53.1 years53.1Mackinac CountyMackinac County: 53 years53Schoolcraft CountySchoolcraft County: 52.6 years52.6Oscoda CountyOscoda County: 52.5 years52.5Cheboygan CountyCheboygan County: 52.2 years52.2Antrim CountyAntrim County: 51.8 years51.8Crawford CountyCrawford County: 51.6 years51.6Gogebic CountyGogebic County: 51.2 years51.2Ogemaw CountyOgemaw County: 51.2 years51.2Benzie CountyBenzie County: 50.8 years50.8Gladwin CountyGladwin County: 50.7 years50.7Lake CountyLake County: 50.5 years50.5Charlevoix CountyCharlevoix County: 50.4 years50.4Manistee CountyManistee County: 50.3 years50.3Arenac CountyArenac County: 50.2 years50.2Menominee CountyMenominee County: 49.6 years49.6Huron CountyHuron County: 49.5 years49.5Alger CountyAlger County: 49.1 years49.1Clare CountyClare County: 49 years49Delta CountyDelta County: 48 years48Alpena CountyAlpena County: 47.8 years47.8Mason CountyMason County: 47.3 years47.3Emmet CountyEmmet County: 47 years47Dickinson CountyDickinson County: 46.9 years46.9Baraga CountyBaraga County: 46 years46Cass CountyCass County: 45.5 years45.5Sanilac CountySanilac County: 45.5 years45.5Tuscola CountyTuscola County: 44.8 years44.8Lapeer CountyLapeer County: 44.7 years44.7Luce CountyLuce County: 44.6 years44.6St. Clair CountySt. Clair County: 44.5 years44.5Kalkaska CountyKalkaska County: 44.4 years44.4
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1Alcona County60+0.3
2Ontonagon County59.8+0.4
3Roscommon County57.7+0.3
4Keweenaw County57.1+0.4
5Montmorency County56.9+0.2
6Presque Isle County56.1-0.1
7Leelanau County55.9+0.6
8Iosco County53.50
9Iron County53.1-0.1
10Mackinac County53-0.3
11Schoolcraft County52.6+0.5
12Oscoda County52.5+0.4
13Cheboygan County52.2+0.3
14Antrim County51.80
15Crawford County51.6+0.1
16Gogebic County51.2-0.1
16Ogemaw County51.2+0.4
18Benzie County50.8+0.2
19Gladwin County50.7-0.1
20Lake County50.5+0.2
21Charlevoix County50.4+0.4
22Manistee County50.30
23Arenac County50.2+0.1
24Menominee County49.6-0.3
25Huron County49.5+0.1
26Alger County49.1+0.3
27Clare County49+0.7
28Delta County48+0.2
29Alpena County47.8+0.2
30Mason County47.3+0.1
31Emmet County47+0.6
32Dickinson County46.9-0.5
33Baraga County46-0.2
34Cass County45.50
34Sanilac County45.5+0.2
36Tuscola County44.8+0.2
37Lapeer County44.7+0.1
38Luce County44.60
39St. Clair County44.5+0.2
40Kalkaska County44.4+0.4
40Otsego County44.4-0.1
42Oceana County44.2+0.3
43Bay County43.9+0.1
43Livingston County43.9+0.1
43Osceola County43.9+0.1
46Grand Traverse County43.5+0.4
47Missaukee County43.3+0.6
48Shiawassee County43.2+0.1
49Hillsdale County43.1+0.3
50Monroe County42.8+0.2
51Berrien County42.7+0.1
51Newaygo County42.7-0.1
53Lenawee County42.4+0.2
54Barry County42.3+0.3
55Wexford County42.20
56Clinton County41.80
56Midland County41.80
58Chippewa County41.6+0.3
59Jackson County41.5+0.3
60Eaton County41.4+0.2
61Macomb County41.3+0.2
61Oakland County41.3+0.1
63Saginaw County41.2+0.1
63Van Buren County41.20
65Allegan County41+0.2
66Branch County40.6-0.2
66Genesee County40.60
68Montcalm County40.4+0.3
69Calhoun County40.20
70Mecosta County40-0.6
70Muskegon County40+0.1
72St. Joseph County39.9+0.1
73Gratiot County39.6-0.1
74Marquette County39.3+0.1
75Ionia County39.1+0.3
76Wayne County37.9+0.1
77Ottawa County36.5+0.2
78Kent County35.9+0.2
79Kalamazoo County35+0.1
79Washtenaw County35+0.2
81Ingham County33.30
82Houghton County32.2-0.1
83Isabella County30.1+0.3

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

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. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.

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Rank Counties in Michigan by median age using official data, and cite the source.
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Questions

Which county has the highest median age?

Alcona County, with 60 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Isabella County, with 30.1 years 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, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Michigan: more rankings