RANKING · 2024 ACS · 83 SHOWN OF 83

Youngest by median age, Michigan counties

Michigan counties with the youngest median age (2024 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide. The median across all 83 is 44.2. Biggest climber in the top 100 since 2020: Luce County, MI, up 11 places to #46.

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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

01Isabella County, MIMI64,69130.1+20%

02▲1Houghton County, MIMI37,84232.2−5%

03▼1Ingham County, MIMI289,70933.3+10%

04▲3Kalamazoo County, MIMI263,79535.0+7%

05▼1Washtenaw County, MIMI370,21435.0+12%

06▼1Kent County, MIMI675,23235.9+10%

07▼1Ottawa County, MIMI308,45936.5+13%

08Wayne County, MIMI1,769,03837.9+11%

09Ionia County, MIMI66,55739.1+19%

10▲7Marquette County, MIMI68,06439.3+5%

11▼1Gratiot County, MIMI41,19039.6+11%

12▼1St. Joseph County, MIMI60,96839.9+12%

13Mecosta County, MIMI42,32040.0+25%

14▲1Muskegon County, MIMI177,90140.0+13%

15▲1Calhoun County, MIMI133,40840.2+10%

16▲4Montcalm County, MIMI69,40640.4+13%

17▲1Branch County, MIMI45,99340.6+11%

18▲1Genesee County, MIMI401,09340.6+16%

19▼5Allegan County, MIMI123,18841.0+16%

20▲3Saginaw County, MIMI187,68841.2+13%

21▲8Van Buren County, MIMI76,07141.2+13%

22▲4Macomb County, MIMI886,22141.3+12%

23▼2Oakland County, MIMI1,288,33741.3+13%

24▲1Eaton County, MIMI109,58141.4+14%

25▼3Jackson County, MIMI159,55241.5+13%

26▼2Chippewa County, MIMI36,08141.6+15%

27▼15Clinton County, MIMI80,43241.8+14%

28▼1Midland County, MIMI83,75441.8+15%

29▼1Wexford County, MIMI34,44542.2+13%

30▲2Barry County, MIMI63,99142.3+15%

31Lenawee County, MIMI97,77942.4+16%

32▲2Berrien County, MIMI152,44442.7+14%

33▲2Newaygo County, MIMI51,62242.7+17%

34▼1Monroe County, MIMI156,00442.8+19%

35▼5Hillsdale County, MIMI45,73843.1+18%

36Shiawassee County, MIMI67,68143.2+19%

37▲3Missaukee County, MIMI15,27443.3+15%

38Grand Traverse County, MIMI96,72943.5+15%

39▲3Bay County, MIMI102,12343.9+14%

40▼1Osceola County, MIMI23,51643.9+17%

41▼4Livingston County, MIMI197,31543.9+21%

42▼1Oceana County, MIMI27,17744.2+20%

43▲6Kalkaska County, MIMI18,69344.4+17%

44▲3Otsego County, MIMI26,08044.4+18%

45▼1St. Clair County, MIMI160,48644.5+22%

46▲11Luce County, MIMI6,33944.6+16%

47▼4Lapeer County, MIMI89,51644.7+25%

48▼3Tuscola County, MIMI52,68044.8+21%

49▼3Cass County, MIMI51,67745.5+18%

50▼2Sanilac County, MIMI40,08345.5+20%

51▼1Baraga County, MIMI8,16946.0+18%

52▼1Dickinson County, MIMI25,82746.9+17%

53▼1Emmet County, MIMI33,77547.0+21%

54▼1Mason County, MIMI29,04047.3+17%

55▲1Alpena County, MIMI28,85347.8+18%

56▼2Delta County, MIMI36,58248.0+19%

57▼2Clare County, MIMI31,54349.0+21%

58Alger County, MIMI8,64149.1+19%

59▲1Huron County, MIMI30,53049.5+20%

60▼1Menominee County, MIMI22,94149.6+23%

61▲2Arenac County, MIMI15,06850.2+25%

62Manistee County, MIMI25,65650.3+21%

63▼2Charlevoix County, MIMI26,03650.4+29%

64▲6Lake County, MIMI13,18250.5+17%

65▲1Gladwin County, MIMI26,07750.7+20%

66▼2Benzie County, MIMI18,56850.8+25%

67▲1Gogebic County, MIMI14,28551.2+19%

68▼3Ogemaw County, MIMI21,12151.2+21%

69▼2Crawford County, MIMI13,72251.6+27%

70▲1Antrim County, MIMI24,69851.8+26%

71▼2Cheboygan County, MIMI25,79352.2+26%

72▲4Oscoda County, MIMI8,72352.5+20%

73▼1Schoolcraft County, MIMI8,18752.6+27%

74▲1Mackinac County, MIMI11,23653.0+24%

75▼1Iron County, MIMI11,75753.1+17%

76▼3Iosco County, MIMI25,26653.5+21%

77Leelanau County, MIMI22,98255.9+31%

78Presque Isle County, MIMI13,12856.1+24%

79▲1Montmorency County, MIMI9,84256.9+21%

80▼1Keweenaw County, MIMI2,18657.1+27%

81Roscommon County, MIMI23,91457.7+22%

82▲1Ontonagon County, MIMI5,82359.8+30%

83▼1Alcona County, MIMI10,55660.0+22%

SHOWING 1–83 OF 83

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES