RANKING · 1990 CENSUS · 83 SHOWN OF 83

Youngest by median age, Michigan counties · 1990

Michigan counties with the youngest median age (1990 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide. The median across all 83 is 33.7.

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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 –

01Isabella County, MIMI64,69124.5–

02Mecosta County, MIMI42,32025.7–

03Ingham County, MIMI289,70928.4–

04Washtenaw County, MIMI370,21429.3–

05Ionia County, MIMI66,55729.9–

06Ottawa County, MIMI308,45930.3–

07Marquette County, MIMI68,06430.8–

08Kent County, MIMI675,23230.8–

09Kalamazoo County, MIMI263,79531.1–

10Lapeer County, MIMI89,51631.7–

11Houghton County, MIMI37,84231.9–

12Allegan County, MIMI123,18831.9–

13Genesee County, MIMI401,09332.1–

14Chippewa County, MIMI36,08132.2–

15Monroe County, MIMI156,00432.3–

16Montcalm County, MIMI69,40632.3–

17Clinton County, MIMI80,43232.4–

18Shiawassee County, MIMI67,68132.4–

19Iosco County, MIMI25,26632.4–

20Midland County, MIMI83,75432.5–

21Wayne County, MIMI1,769,03832.5–

22Lenawee County, MIMI97,77932.6–

23Hillsdale County, MIMI45,73832.7–

24Muskegon County, MIMI177,90132.7–

25Saginaw County, MIMI187,68832.8–

26Gratiot County, MIMI41,19032.8–

27St. Joseph County, MIMI60,96832.8–

28Eaton County, MIMI109,58132.9–

29St. Clair County, MIMI160,48632.9–

30Livingston County, MIMI197,31532.9–

31Tuscola County, MIMI52,68032.9–

32Kalkaska County, MIMI18,69333.2–

33Wexford County, MIMI34,44533.2–

34Grand Traverse County, MIMI96,72933.3–

35Van Buren County, MIMI76,07133.3–

36Newaygo County, MIMI51,62233.3–

37Missaukee County, MIMI15,27433.5–

38Jackson County, MIMI159,55233.5–

39Oceana County, MIMI27,17733.5–

40Osceola County, MIMI23,51633.5–

41Otsego County, MIMI26,08033.7–

42Berrien County, MIMI152,44433.7–

43Branch County, MIMI45,99333.8–

44Oakland County, MIMI1,288,33733.8–

45Barry County, MIMI63,99133.8–

46Macomb County, MIMI886,22133.9–

47Calhoun County, MIMI133,40833.9–

48Bay County, MIMI102,12334.0–

49Sanilac County, MIMI40,08334.1–

50Emmet County, MIMI33,77534.5–

51Cass County, MIMI51,67734.5–

52Charlevoix County, MIMI26,03634.6–

53Crawford County, MIMI13,72234.7–

54Delta County, MIMI36,58235.2–

55Alpena County, MIMI28,85335.3–

56Arenac County, MIMI15,06835.7–

57Huron County, MIMI30,53035.8–

58Menominee County, MIMI22,94135.8–

59Clare County, MIMI31,54336.3–

60Mason County, MIMI29,04036.3–

61Dickinson County, MIMI25,82736.3–

62Leelanau County, MIMI22,98236.5–

63Baraga County, MIMI8,16936.8–

64Alger County, MIMI8,64136.8–

65Antrim County, MIMI24,69836.8–

66Gladwin County, MIMI26,07736.8–

67Ogemaw County, MIMI21,12136.9–

68Luce County, MIMI6,33937.0–

69Cheboygan County, MIMI25,79337.1–

70Mackinac County, MIMI11,23637.1–

71Benzie County, MIMI18,56837.4–

72Schoolcraft County, MIMI8,18737.5–

73Manistee County, MIMI25,65638.2–

74Presque Isle County, MIMI13,12838.6–

75Gogebic County, MIMI14,28539.9–

76Lake County, MIMI13,18240.3–

77Ontonagon County, MIMI5,82340.4–

78Oscoda County, MIMI8,72340.5–

79Montmorency County, MIMI9,84241.0–

80Iron County, MIMI11,75743.5–

81Roscommon County, MIMI23,91444.6–

82Alcona County, MIMI10,55645.2–

83Keweenaw County, MIMI2,18646.1–

SHOWING 1–83 OF 83

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