RANKING · 2010 CENSUS · 83 SHOWN OF 83

Oldest by median age, Michigan counties · 2010

Michigan counties ranked by median age of residents (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

RELATEDYoungest 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

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, MIMI64,69125.1+0%

SHOWING 1–83 OF 83

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