Data / Rankings / Median age / Counties in Michigan

Counties in Michigan by median age

Alcona County had the highest median age of 83 counties in 2022, at 59.3 years. Isabella County had the lowest, at 28.9 years. The median was 43.6 years and the figure for Michigan was 39.9 years. Source: the U.S. Census Bureau.

Highest59.3Alcona County
Lowest28.9Isabella County
Median43.683 counties
Michigan39.9History

Top 40 counties, 2022

CSVChart (SVG)

Alcona CountyAlcona County: 59.3 years59.3Ontonagon CountyOntonagon County: 59.2 years59.2Keweenaw CountyKeweenaw County: 57.2 years57.2Roscommon CountyRoscommon County: 57 years57Montmorency CountyMontmorency County: 56.2 years56.2Presque Isle CountyPresque Isle County: 56.1 years56.1Leelanau CountyLeelanau County: 55.2 years55.2Iron CountyIron County: 53.4 years53.4Iosco CountyIosco County: 53.1 years53.1Mackinac CountyMackinac County: 52.7 years52.7Cheboygan CountyCheboygan County: 52 years52Oscoda CountyOscoda County: 52 years52Lake CountyLake County: 51.8 years51.8Schoolcraft CountySchoolcraft County: 51.8 years51.8Antrim CountyAntrim County: 51.5 years51.5Crawford CountyCrawford County: 51.4 years51.4Gladwin CountyGladwin County: 50.7 years50.7Gogebic CountyGogebic County: 50.6 years50.6Ogemaw CountyOgemaw County: 50.6 years50.6Benzie CountyBenzie County: 50.4 years50.4Arenac CountyArenac County: 50 years50Manistee CountyManistee County: 50 years50Menominee CountyMenominee County: 49.6 years49.6Charlevoix CountyCharlevoix County: 49.5 years49.5Huron CountyHuron County: 49.3 years49.3Clare CountyClare County: 48.2 years48.2Luce CountyLuce County: 47.7 years47.7Alpena CountyAlpena County: 47.6 years47.6Delta CountyDelta County: 47.6 years47.6Alger CountyAlger County: 47.2 years47.2Dickinson CountyDickinson County: 47.2 years47.2Mason CountyMason County: 46.7 years46.7Baraga CountyBaraga County: 46.5 years46.5Emmet CountyEmmet County: 45.8 years45.8Cass CountyCass County: 45.3 years45.3Sanilac CountySanilac County: 45.2 years45.2Tuscola CountyTuscola County: 44.7 years44.7Otsego CountyOtsego County: 44.6 years44.6Lapeer CountyLapeer County: 44.5 years44.5St. Clair CountySt. Clair County: 44.1 years44.1
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2022
years		Change on 2021
1Alcona County59.3+0.6
2Ontonagon County59.2+0.2
3Keweenaw County57.2-0.4
4Roscommon County57+0.4
5Montmorency County56.2-0.2
6Presque Isle County56.1+0.3
7Leelanau County55.2+0.5
8Iron County53.4+0.2
9Iosco County53.1+0.3
10Mackinac County52.70
11Cheboygan County52+0.3
11Oscoda County52-0.4
13Lake County51.8-2.4
13Schoolcraft County51.8-0.2
15Antrim County51.5-0.1
16Crawford County51.4+0.4
17Gladwin County50.7+0.2
18Gogebic County50.6+0.4
18Ogemaw County50.6+0.1
20Benzie County50.40
21Arenac County50-0.1
21Manistee County50+0.4
23Menominee County49.6+0.1
24Charlevoix County49.5+0.3
25Huron County49.3+0.1
26Clare County48.2+0.4
27Luce County47.7+3.2
28Alpena County47.6-0.5
28Delta County47.6+0.2
30Alger County47.2-2.1
30Dickinson County47.2-0.1
32Mason County46.7+0.2
33Baraga County46.5+0.4
34Emmet County45.8+0.2
35Cass County45.3-0.1
36Sanilac County45.2-0.1
37Tuscola County44.7-0.1
38Otsego County44.60
39Lapeer County44.5+0.2
40St. Clair County44.10
41Oceana County43.8+0.3
42Bay County43.6+0.1
42Livingston County43.60
44Osceola County43.5-0.1
45Kalkaska County43.3-0.1
46Shiawassee County43.2+0.1
47Grand Traverse County42.8-0.1
47Hillsdale County42.8+0.6
49Missaukee County42.6+0.1
49Monroe County42.6-0.2
51Berrien County42.5+0.2
52Newaygo County42.4-0.1
53Barry County42.2+0.1
53Wexford County42.2+0.5
55Lenawee County42+0.2
56Midland County41.7+0.4
57Clinton County41.4+0.2
58Eaton County41.2+0.1
59Jackson County41.1-0.4
59Oakland County41.1+0.1
61Macomb County41+0.1
61Saginaw County41+0.2
63Branch County40.9-0.3
64Chippewa County40.8+0.4
64Van Buren County40.8+0.1
66Mecosta County40.6+2.8
66Montcalm County40.6-0.1
68Genesee County40.5+0.1
69Allegan County40.4+0.3
70Calhoun County400
71St. Joseph County39.8+0.2
72Gratiot County39.6-0.3
73Muskegon County39.40
74Ionia County39.1+0.1
74Marquette County39.1-0.1
76Wayne County37.7-0.1
77Ottawa County35.8+0.2
78Kent County35.6+0.1
79Kalamazoo County34.60
80Washtenaw County34.4+0.3
81Ingham County33+0.3
82Houghton County31.9-0.9
83Isabella County28.9-0.1

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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 59.3 years in 2022, according to the U.S. Census Bureau.

Which county has the lowest median age?

Isabella County, with 28.9 years in 2022.

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