RANKING · 2020 CENSUS · 83 SHOWN OF 83

Largest by population, Michigan counties · 2020

The most populous Michigan counties as of the 2020 population estimates. This list covers the 83 counties in Michigan that qualify, ranked against each other statewide.

MichiganAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Wayne County, MIMI1,793,561−13%

02Oakland County, MIMI1,274,395+7%

03Macomb County, MIMI881,217+12%

04Kent County, MIMI657,974+15%

05Genesee County, MIMI406,211−7%

06Washtenaw County, MIMI372,258+15%

07Ottawa County, MIMI296,200+24%

08Ingham County, MIMI284,900+2%

09Kalamazoo County, MIMI261,670+10%

10Livingston County, MIMI193,866+24%

11Saginaw County, MIMI190,124−9%

12Muskegon County, MIMI175,824+3%

13St. Clair County, MIMI160,383−2%

14Jackson County, MIMI160,366+1%

15Monroe County, MIMI154,809+6%

16Berrien County, MIMI154,316−5%

17Calhoun County, MIMI134,310−3%

18Allegan County, MIMI120,502+14%

19Eaton County, MIMI109,175+5%

20Bay County, MIMI103,856−6%

21Lenawee County, MIMI99,423+1%

22Grand Traverse County, MIMI95,238+23%

23Lapeer County, MIMI88,619+1%

24Midland County, MIMI83,494+1%

25Clinton County, MIMI79,128+22%

26Van Buren County, MIMI75,587−1%

27Shiawassee County, MIMI68,094−5%

28Ionia County, MIMI66,804+9%

29Montcalm County, MIMI66,614+9%

30Marquette County, MIMI66,017+2%

31Isabella County, MIMI64,394+2%

32Barry County, MIMI62,423+10%

33St. Joseph County, MIMI60,939−2%

34Tuscola County, MIMI53,323−8%

35Cass County, MIMI51,589+1%

36Newaygo County, MIMI49,978+4%

37Hillsdale County, MIMI45,746−2%

38Branch County, MIMI44,862−2%

39Gratiot County, MIMI41,761−1%

40Sanilac County, MIMI40,611−9%

41Mecosta County, MIMI39,714−2%

42Houghton County, MIMI37,361+4%

43Delta County, MIMI36,903−4%

44Chippewa County, MIMI36,785−5%

45Emmet County, MIMI34,112+9%

46Wexford County, MIMI33,673+10%

47Huron County, MIMI31,407−13%

48Clare County, MIMI30,856−1%

49Mason County, MIMI29,052+3%

50Alpena County, MIMI28,907−8%

51Oceana County, MIMI26,659−1%

52Charlevoix County, MIMI26,054−0%

53Dickinson County, MIMI25,947−6%

54Cheboygan County, MIMI25,579−3%

55Gladwin County, MIMI25,386−2%

56Iosco County, MIMI25,237−8%

57Otsego County, MIMI25,091+8%

58Manistee County, MIMI25,032+2%

59Menominee County, MIMI23,502−7%

60Roscommon County, MIMI23,459−8%

61Antrim County, MIMI23,431+1%

62Osceola County, MIMI22,891−1%

63Leelanau County, MIMI22,301+6%

64Ogemaw County, MIMI20,770−4%

65Benzie County, MIMI17,970+12%

66Kalkaska County, MIMI17,939+8%

67Missaukee County, MIMI15,052+4%

68Arenac County, MIMI15,002−13%

69Gogebic County, MIMI14,380−17%

70Crawford County, MIMI12,988−9%

71Presque Isle County, MIMI12,982−10%

72Lake County, MIMI12,096+7%

73Iron County, MIMI11,631−11%

74Mackinac County, MIMI10,834−9%

75Alcona County, MIMI10,167−13%

76Montmorency County, MIMI9,153−11%

77Alger County, MIMI8,842−10%

78Oscoda County, MIMI8,219−13%

79Baraga County, MIMI8,158−7%

80Schoolcraft County, MIMI8,047−10%

81Ontonagon County, MIMI5,816−26%

82Luce County, MIMI5,339−24%

83Keweenaw County, MIMI2,046−11%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS