RANKING · 2010 CENSUS · 83 SHOWN OF 83

Youngest by median age, Michigan counties · 2010

Michigan counties with the youngest median age (2010 ACS). This list covers the 83 counties in Michigan that qualify, ranked against each other statewide. The median across all 83 is 41.7.

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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 2000

01Isabella County, MIMI64,69125.10%

02Ingham County, MIMI289,70931.4+3%

03Houghton County, MIMI37,84233.1−3%

04Washtenaw County, MIMI370,21433.3+6%

05Mecosta County, MIMI42,32034.0+7%

06Kalamazoo County, MIMI263,79534.1+4%

07Kent County, MIMI675,23234.4+6%

08Ottawa County, MIMI308,45934.5+7%

09Ionia County, MIMI66,55737.0+12%

10Wayne County, MIMI1,769,03837.3+10%

11Muskegon County, MIMI177,90138.2+8%

12Clinton County, MIMI80,43238.4+5%

13Genesee County, MIMI401,09338.5+10%

14Gratiot County, MIMI41,19038.7+9%

15St. Joseph County, MIMI60,96838.7+9%

16Allegan County, MIMI123,18839.2+11%

17Calhoun County, MIMI133,40839.2+8%

18Montcalm County, MIMI69,40639.3+10%

19Marquette County, MIMI68,06439.4+5%

20Chippewa County, MIMI36,08139.5+9%

21Saginaw County, MIMI187,68839.5+9%

22Jackson County, MIMI159,55239.7+8%

23Branch County, MIMI45,99339.8+8%

24Van Buren County, MIMI76,07139.8+9%

25Macomb County, MIMI886,22139.9+8%

26Lenawee County, MIMI97,77940.0+10%

27Oakland County, MIMI1,288,33740.2+10%

28Eaton County, MIMI109,58140.3+11%

29Monroe County, MIMI156,00440.3+12%

30Shiawassee County, MIMI67,68140.3+11%

31Midland County, MIMI83,75440.4+11%

32Hillsdale County, MIMI45,73840.5+11%

33Newaygo County, MIMI51,62240.9+12%

34Wexford County, MIMI34,44540.9+10%

35Livingston County, MIMI197,31540.9+13%

36Berrien County, MIMI152,44441.0+10%

37Barry County, MIMI63,99141.2+12%

38St. Clair County, MIMI160,48641.3+13%

39Grand Traverse County, MIMI96,72941.3+10%

40Lapeer County, MIMI89,51641.6+16%

41Bay County, MIMI102,12341.7+9%

42Tuscola County, MIMI52,68041.7+13%

43Oceana County, MIMI27,17741.8+13%

44Osceola County, MIMI23,51641.8+11%

45Cass County, MIMI51,67742.6+11%

46Missaukee County, MIMI15,27442.8+14%

47Sanilac County, MIMI40,08342.8+13%

48Baraga County, MIMI8,16942.9+10%

49Kalkaska County, MIMI18,69343.0+13%

50Luce County, MIMI6,33943.0+11%

51Emmet County, MIMI33,77543.1+11%

52Otsego County, MIMI26,08043.2+15%

53Mason County, MIMI29,04045.1+12%

54Clare County, MIMI31,54345.3+12%

55Dickinson County, MIMI25,82745.4+13%

56Charlevoix County, MIMI26,03645.5+16%

57Alpena County, MIMI28,85345.6+13%

58Delta County, MIMI36,58245.6+13%

59Benzie County, MIMI18,56846.2+13%

60Menominee County, MIMI22,94146.2+14%

61Arenac County, MIMI15,06846.7+16%

62Gogebic County, MIMI14,28546.8+9%

63Huron County, MIMI30,53046.8+14%

64Cheboygan County, MIMI25,79347.1+14%

65Manistee County, MIMI25,65647.1+13%

66Alger County, MIMI8,64147.3+15%

67Antrim County, MIMI24,69847.4+15%

68Ogemaw County, MIMI21,12147.6+13%

69Crawford County, MIMI13,72247.7+17%

70Gladwin County, MIMI26,07747.7+13%

71Schoolcraft County, MIMI8,18748.3+17%

72Mackinac County, MIMI11,23649.0+14%

73Oscoda County, MIMI8,72349.7+14%

74Lake County, MIMI13,18250.1+16%

75Leelanau County, MIMI22,98250.3+18%

76Iosco County, MIMI25,26651.0+15%

77Keweenaw County, MIMI2,18651.6+15%

78Presque Isle County, MIMI13,12851.7+15%

79Iron County, MIMI11,75751.9+14%

80Montmorency County, MIMI9,84252.3+11%

81Ontonagon County, MIMI5,82352.7+15%

82Roscommon County, MIMI23,91453.3+13%

83Alcona County, MIMI10,55655.2+13%

SHOWING 1–83 OF 83

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