RANKING · 2020 CENSUS · 83 SHOWN OF 83

Oldest by median age, Michigan counties · 2020

Michigan counties ranked by median age of residents (2020 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide. The median across all 83 is 44.2.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Ontonagon County, MIMI5,82359.1+29%

02Alcona County, MIMI10,55658.2+19%

03Keweenaw County, MIMI2,18656.6+26%

04Montmorency County, MIMI9,84256.6+20%

05Roscommon County, MIMI23,91456.6+20%

06Presque Isle County, MIMI13,12856.1+24%

07Leelanau County, MIMI22,98255.1+29%

08Oscoda County, MIMI8,72353.8+23%

09Mackinac County, MIMI11,23653.7+25%

10Iron County, MIMI11,75753.6+18%

11Iosco County, MIMI25,26653.4+21%

12Schoolcraft County, MIMI8,18752.6+27%

13Antrim County, MIMI24,69852.1+27%

14Lake County, MIMI13,18251.5+19%

15Cheboygan County, MIMI25,79351.1+24%

16Crawford County, MIMI13,72251.0+26%

17Gogebic County, MIMI14,28551.0+19%

18Gladwin County, MIMI26,07750.9+20%

19Arenac County, MIMI15,06850.6+26%

20Benzie County, MIMI18,56850.6+24%

21Ogemaw County, MIMI21,12150.6+20%

22Manistee County, MIMI25,65650.4+21%

23Charlevoix County, MIMI26,03649.8+27%

24Huron County, MIMI30,53049.6+20%

25Alger County, MIMI8,64149.4+20%

26Menominee County, MIMI22,94149.4+22%

27Luce County, MIMI6,33949.1+27%

28Alpena County, MIMI28,85348.1+19%

29Clare County, MIMI31,54348.0+19%

30Delta County, MIMI36,58247.8+18%

31Mason County, MIMI29,04047.6+18%

32Emmet County, MIMI33,77547.3+22%

33Dickinson County, MIMI25,82747.0+18%

34Baraga County, MIMI8,16946.3+19%

35Kalkaska County, MIMI18,69345.7+20%

36Otsego County, MIMI26,08045.3+20%

37Sanilac County, MIMI40,08345.3+20%

38Cass County, MIMI51,67744.8+16%

39St. Clair County, MIMI160,48644.5+22%

40Tuscola County, MIMI52,68044.5+20%

41Lapeer County, MIMI89,51644.4+24%

42Bay County, MIMI102,12344.2+15%

43Oceana County, MIMI27,17743.9+19%

44Missaukee County, MIMI15,27443.8+16%

45Osceola County, MIMI23,51643.6+16%

46Livingston County, MIMI197,31543.4+20%

47Grand Traverse County, MIMI96,72943.4+15%

48Shiawassee County, MIMI67,68143.3+19%

49Berrien County, MIMI152,44443.0+15%

50Newaygo County, MIMI51,62243.0+18%

51Barry County, MIMI63,99142.5+15%

52Monroe County, MIMI156,00442.5+18%

53Hillsdale County, MIMI45,73842.3+16%

54Lenawee County, MIMI97,77942.3+16%

55Van Buren County, MIMI76,07142.1+15%

56Midland County, MIMI83,75442.0+16%

57Wexford County, MIMI34,44542.0+13%

58Macomb County, MIMI886,22141.5+12%

59Chippewa County, MIMI36,08141.4+14%

60Eaton County, MIMI109,58141.4+14%

61Jackson County, MIMI159,55241.3+13%

62Saginaw County, MIMI187,68841.3+14%

63Oakland County, MIMI1,288,33741.0+12%

64Genesee County, MIMI401,09340.9+17%

65Montcalm County, MIMI69,40640.9+15%

66Branch County, MIMI45,99340.6+11%

67Calhoun County, MIMI133,40840.5+11%

68Marquette County, MIMI68,06440.5+8%

69Muskegon County, MIMI177,90140.4+14%

70Allegan County, MIMI123,18840.3+14%

71Clinton County, MIMI80,43240.0+9%

72Mecosta County, MIMI42,32040.0+25%

73Gratiot County, MIMI41,19039.7+12%

74St. Joseph County, MIMI60,96839.7+12%

75Ionia County, MIMI66,55739.3+19%

76Wayne County, MIMI1,769,03837.7+11%

77Kalamazoo County, MIMI263,79536.2+11%

78Ottawa County, MIMI308,45936.1+12%

79Kent County, MIMI675,23235.5+9%

80Washtenaw County, MIMI370,21434.5+10%

81Houghton County, MIMI37,84233.6−1%

82Ingham County, MIMI289,70933.4+10%

83Isabella County, MIMI64,69131.7+26%

SHOWING 1–83 OF 83

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS