RANKING · 2010 CENSUS · 83 SHOWN OF 83

Oldest by median age, Michigan counties · 2010

Michigan counties ranked by median age of residents (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

01Alcona County, MIMI10,55655.2+13%

02Roscommon County, MIMI23,91453.3+13%

03Ontonagon County, MIMI5,82352.7+15%

04Montmorency County, MIMI9,84252.3+11%

05Iron County, MIMI11,75751.9+14%

06Presque Isle County, MIMI13,12851.7+15%

07Keweenaw County, MIMI2,18651.6+15%

08Iosco County, MIMI25,26651.0+15%

09Leelanau County, MIMI22,98250.3+18%

10Lake County, MIMI13,18250.1+16%

11Oscoda County, MIMI8,72349.7+14%

12Mackinac County, MIMI11,23649.0+14%

13Schoolcraft County, MIMI8,18748.3+17%

14Crawford County, MIMI13,72247.7+17%

15Gladwin County, MIMI26,07747.7+13%

16Ogemaw County, MIMI21,12147.6+13%

17Antrim County, MIMI24,69847.4+15%

18Alger County, MIMI8,64147.3+15%

19Cheboygan County, MIMI25,79347.1+14%

20Manistee County, MIMI25,65647.1+13%

21Gogebic County, MIMI14,28546.8+9%

22Huron County, MIMI30,53046.8+14%

23Arenac County, MIMI15,06846.7+16%

24Benzie County, MIMI18,56846.2+13%

25Menominee County, MIMI22,94146.2+14%

26Alpena County, MIMI28,85345.6+13%

27Delta County, MIMI36,58245.6+13%

28Charlevoix County, MIMI26,03645.5+16%

29Dickinson County, MIMI25,82745.4+13%

30Clare County, MIMI31,54345.3+12%

31Mason County, MIMI29,04045.1+12%

32Otsego County, MIMI26,08043.2+15%

33Emmet County, MIMI33,77543.1+11%

34Kalkaska County, MIMI18,69343.0+13%

35Luce County, MIMI6,33943.0+11%

36Baraga County, MIMI8,16942.9+10%

37Missaukee County, MIMI15,27442.8+14%

38Sanilac County, MIMI40,08342.8+13%

39Cass County, MIMI51,67742.6+11%

40Oceana County, MIMI27,17741.8+13%

41Osceola County, MIMI23,51641.8+11%

42Bay County, MIMI102,12341.7+9%

43Tuscola County, MIMI52,68041.7+13%

44Lapeer County, MIMI89,51641.6+16%

45St. Clair County, MIMI160,48641.3+13%

46Grand Traverse County, MIMI96,72941.3+10%

47Barry County, MIMI63,99141.2+12%

48Berrien County, MIMI152,44441.0+10%

49Newaygo County, MIMI51,62240.9+12%

50Wexford County, MIMI34,44540.9+10%

51Livingston County, MIMI197,31540.9+13%

52Hillsdale County, MIMI45,73840.5+11%

53Midland County, MIMI83,75440.4+11%

54Eaton County, MIMI109,58140.3+11%

55Monroe County, MIMI156,00440.3+12%

56Shiawassee County, MIMI67,68140.3+11%

57Oakland County, MIMI1,288,33740.2+10%

58Lenawee County, MIMI97,77940.0+10%

59Macomb County, MIMI886,22139.9+8%

60Branch County, MIMI45,99339.8+8%

61Van Buren County, MIMI76,07139.8+9%

62Jackson County, MIMI159,55239.7+8%

63Chippewa County, MIMI36,08139.5+9%

64Saginaw County, MIMI187,68839.5+9%

65Marquette County, MIMI68,06439.4+5%

66Montcalm County, MIMI69,40639.3+10%

67Allegan County, MIMI123,18839.2+11%

68Calhoun County, MIMI133,40839.2+8%

69Gratiot County, MIMI41,19038.7+9%

70St. Joseph County, MIMI60,96838.7+9%

71Genesee County, MIMI401,09338.5+10%

72Clinton County, MIMI80,43238.4+5%

73Muskegon County, MIMI177,90138.2+8%

74Wayne County, MIMI1,769,03837.3+10%

75Ionia County, MIMI66,55737.0+12%

76Ottawa County, MIMI308,45934.5+7%

77Kent County, MIMI675,23234.4+6%

78Kalamazoo County, MIMI263,79534.1+4%

79Mecosta County, MIMI42,32034.0+7%

80Washtenaw County, MIMI370,21433.3+6%

81Houghton County, MIMI37,84233.1−3%

82Ingham County, MIMI289,70931.4+3%

83Isabella County, MIMI64,69125.10%

SHOWING 1–83 OF 83

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