RANKING · 1990 CENSUS · 83 SHOWN OF 83

Oldest by median age, Michigan counties · 1990

Michigan counties ranked by median age of residents (1990 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide.

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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 –

01Keweenaw County, MIMI2,18646.1–

02Alcona County, MIMI10,55645.2–

03Roscommon County, MIMI23,91444.6–

04Iron County, MIMI11,75743.5–

05Montmorency County, MIMI9,84241.0–

06Oscoda County, MIMI8,72340.5–

07Ontonagon County, MIMI5,82340.4–

08Lake County, MIMI13,18240.3–

09Gogebic County, MIMI14,28539.9–

10Presque Isle County, MIMI13,12838.6–

11Manistee County, MIMI25,65638.2–

12Schoolcraft County, MIMI8,18737.5–

13Benzie County, MIMI18,56837.4–

14Mackinac County, MIMI11,23637.1–

15Cheboygan County, MIMI25,79337.1–

16Luce County, MIMI6,33937.0–

17Ogemaw County, MIMI21,12136.9–

18Gladwin County, MIMI26,07736.8–

19Antrim County, MIMI24,69836.8–

20Alger County, MIMI8,64136.8–

21Baraga County, MIMI8,16936.8–

22Leelanau County, MIMI22,98236.5–

23Dickinson County, MIMI25,82736.3–

24Mason County, MIMI29,04036.3–

25Clare County, MIMI31,54336.3–

26Menominee County, MIMI22,94135.8–

27Huron County, MIMI30,53035.8–

28Arenac County, MIMI15,06835.7–

29Alpena County, MIMI28,85335.3–

30Delta County, MIMI36,58235.2–

31Crawford County, MIMI13,72234.7–

32Charlevoix County, MIMI26,03634.6–

33Cass County, MIMI51,67734.5–

34Emmet County, MIMI33,77534.5–

35Sanilac County, MIMI40,08334.1–

36Bay County, MIMI102,12334.0–

37Calhoun County, MIMI133,40833.9–

38Macomb County, MIMI886,22133.9–

39Barry County, MIMI63,99133.8–

40Oakland County, MIMI1,288,33733.8–

41Branch County, MIMI45,99333.8–

42Berrien County, MIMI152,44433.7–

43Otsego County, MIMI26,08033.7–

44Osceola County, MIMI23,51633.5–

45Oceana County, MIMI27,17733.5–

46Jackson County, MIMI159,55233.5–

47Missaukee County, MIMI15,27433.5–

48Newaygo County, MIMI51,62233.3–

49Van Buren County, MIMI76,07133.3–

50Grand Traverse County, MIMI96,72933.3–

51Wexford County, MIMI34,44533.2–

52Kalkaska County, MIMI18,69333.2–

53Tuscola County, MIMI52,68032.9–

54Livingston County, MIMI197,31532.9–

55St. Clair County, MIMI160,48632.9–

56Eaton County, MIMI109,58132.9–

57St. Joseph County, MIMI60,96832.8–

58Gratiot County, MIMI41,19032.8–

59Saginaw County, MIMI187,68832.8–

60Muskegon County, MIMI177,90132.7–

61Hillsdale County, MIMI45,73832.7–

62Lenawee County, MIMI97,77932.6–

63Wayne County, MIMI1,769,03832.5–

64Midland County, MIMI83,75432.5–

65Iosco County, MIMI25,26632.4–

66Shiawassee County, MIMI67,68132.4–

67Clinton County, MIMI80,43232.4–

68Montcalm County, MIMI69,40632.3–

69Monroe County, MIMI156,00432.3–

70Chippewa County, MIMI36,08132.2–

71Genesee County, MIMI401,09332.1–

72Allegan County, MIMI123,18831.9–

73Houghton County, MIMI37,84231.9–

74Lapeer County, MIMI89,51631.7–

75Kalamazoo County, MIMI263,79531.1–

76Kent County, MIMI675,23230.8–

77Marquette County, MIMI68,06430.8–

78Ottawa County, MIMI308,45930.3–

79Ionia County, MIMI66,55729.9–

80Washtenaw County, MIMI370,21429.3–

81Ingham County, MIMI289,70928.4–

82Mecosta County, MIMI42,32025.7–

83Isabella County, MIMI64,69124.5–

SHOWING 1–83 OF 83

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS