RANKING · 1990 CENSUS · 83 SHOWN OF 83

Youngest by median age, Michigan counties · 1990

Michigan counties with the youngest median age (2023 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

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Isabella County, MIMI64,69124.5−3%

02Mecosta County, MIMI42,32025.7−19%

03Ingham County, MIMI289,70928.4−6%

04Washtenaw County, MIMI370,21429.3−6%

05Ionia County, MIMI66,55729.9−9%

06Ottawa County, MIMI308,45930.3−6%

07Marquette County, MIMI68,06430.8−18%

08Kent County, MIMI675,23230.8−5%

09Kalamazoo County, MIMI263,79531.1−5%

10Lapeer County, MIMI89,51631.7−12%

11Houghton County, MIMI37,84231.9−6%

12Allegan County, MIMI123,18831.9−9%

13Genesee County, MIMI401,09332.1−8%

14Chippewa County, MIMI36,08132.2−11%

15Monroe County, MIMI156,00432.3−10%

16Montcalm County, MIMI69,40632.3−9%

17Clinton County, MIMI80,43232.4−12%

18Shiawassee County, MIMI67,68132.4−11%

19Iosco County, MIMI25,26632.4−27%

20Midland County, MIMI83,75432.5−11%

21Wayne County, MIMI1,769,03832.5−4%

22Lenawee County, MIMI97,77932.6−10%

23Hillsdale County, MIMI45,73832.7−10%

24Muskegon County, MIMI177,90132.7−8%

25Saginaw County, MIMI187,68832.8−10%

26Gratiot County, MIMI41,19032.8−8%

27St. Joseph County, MIMI60,96832.8−8%

28Eaton County, MIMI109,58132.9−10%

29St. Clair County, MIMI160,48632.9−10%

30Livingston County, MIMI197,31532.9−9%

31Tuscola County, MIMI52,68032.9−11%

32Kalkaska County, MIMI18,69333.2−13%

33Wexford County, MIMI34,44533.2−11%

34Grand Traverse County, MIMI96,72933.3−12%

35Van Buren County, MIMI76,07133.3−9%

36Newaygo County, MIMI51,62233.3−8%

37Missaukee County, MIMI15,27433.5−11%

38Jackson County, MIMI159,55233.5−9%

39Oceana County, MIMI27,17733.5−9%

40Osceola County, MIMI23,51633.5−11%

41Otsego County, MIMI26,08033.7−11%

42Berrien County, MIMI152,44433.7−10%

43Branch County, MIMI45,99333.8−8%

44Oakland County, MIMI1,288,33733.8−8%

45Barry County, MIMI63,99133.8−8%

46Macomb County, MIMI886,22133.9−8%

47Calhoun County, MIMI133,40833.9−7%

48Bay County, MIMI102,12334.0−12%

49Sanilac County, MIMI40,08334.1−10%

50Emmet County, MIMI33,77534.5−11%

51Cass County, MIMI51,67734.5−10%

52Charlevoix County, MIMI26,03634.6−11%

53Crawford County, MIMI13,72234.7−14%

54Delta County, MIMI36,58235.2−13%

55Alpena County, MIMI28,85335.3−13%

56Arenac County, MIMI15,06835.7−11%

57Huron County, MIMI30,53035.8−13%

58Menominee County, MIMI22,94135.8−11%

59Clare County, MIMI31,54336.3−10%

60Mason County, MIMI29,04036.3−10%

61Dickinson County, MIMI25,82736.3−9%

62Leelanau County, MIMI22,98236.5−14%

63Baraga County, MIMI8,16936.8−6%

64Alger County, MIMI8,64136.8−11%

65Antrim County, MIMI24,69836.8−10%

66Gladwin County, MIMI26,07736.8−13%

67Ogemaw County, MIMI21,12136.9−13%

68Luce County, MIMI6,33937.0−4%

69Cheboygan County, MIMI25,79337.1−10%

70Mackinac County, MIMI11,23637.1−13%

71Benzie County, MIMI18,56837.4−8%

72Schoolcraft County, MIMI8,18737.5−9%

73Manistee County, MIMI25,65638.2−8%

74Presque Isle County, MIMI13,12838.6−14%

75Gogebic County, MIMI14,28539.9−7%

76Lake County, MIMI13,18240.3−6%

77Ontonagon County, MIMI5,82340.4−12%

78Oscoda County, MIMI8,72340.5−7%

79Montmorency County, MIMI9,84241.0−13%

80Iron County, MIMI11,75743.5−4%

81Roscommon County, MIMI23,91444.6−5%

82Alcona County, MIMI10,55645.2−8%

83Keweenaw County, MIMI2,18646.1+3%

SHOWING 1–83 OF 83

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES