RANKING · 2025 ESTIMATES · 83 SHOWN OF 83

Largest by population, Michigan counties

The most populous Michigan counties as of the 2025 population estimates. This list covers the 83 counties in Michigan that qualify, ranked against each other statewide. The median across all 83 is 37,842. Biggest climber in the top 100 since 2020: Otsego County, MI, up 5 places to #52.

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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, MIMI1,769,038−14%

02Oakland County, MIMI1,288,337+8%

03Macomb County, MIMI886,221+12%

04Kent County, MIMI675,232+18%

05Genesee County, MIMI401,093−8%

06Washtenaw County, MIMI370,214+15%

07Ottawa County, MIMI308,459+29%

08Ingham County, MIMI289,709+4%

09Kalamazoo County, MIMI263,795+11%

10Livingston County, MIMI197,315+26%

11Saginaw County, MIMI187,688−11%

12Muskegon County, MIMI177,901+5%

13St. Clair County, MIMI160,486−2%

14Jackson County, MIMI159,552+1%

15Monroe County, MIMI156,004+7%

16Berrien County, MIMI152,444−6%

17Calhoun County, MIMI133,408−3%

18Allegan County, MIMI123,188+17%

19Eaton County, MIMI109,581+6%

20Bay County, MIMI102,123−7%

21Lenawee County, MIMI97,779−1%

22Grand Traverse County, MIMI96,729+25%

23Lapeer County, MIMI89,516+2%

24Midland County, MIMI83,754+1%

25Clinton County, MIMI80,432+24%

26Van Buren County, MIMI76,0710%

27▲2Montcalm County, MIMI69,406+13%

28▲2Marquette County, MIMI68,064+5%

29▼2Shiawassee County, MIMI67,681−6%

30▼2Ionia County, MIMI66,557+8%

31Isabella County, MIMI64,691+2%

32Barry County, MIMI63,991+13%

33St. Joseph County, MIMI60,968−2%

34Tuscola County, MIMI52,680−10%

35Cass County, MIMI51,677+1%

36Newaygo County, MIMI51,622+8%

37▲1Branch County, MIMI45,9930%

38▼1Hillsdale County, MIMI45,738−2%

39▲2Mecosta County, MIMI42,320+4%

40▼1Gratiot County, MIMI41,190−3%

41▼1Sanilac County, MIMI40,083−10%

42Houghton County, MIMI37,842+5%

43Delta County, MIMI36,582−5%

44Chippewa County, MIMI36,081−6%

45▲1Wexford County, MIMI34,445+13%

46▼1Emmet County, MIMI33,775+7%

47▲1Clare County, MIMI31,543+1%

48▼1Huron County, MIMI30,530−15%

49Mason County, MIMI29,040+3%

50Alpena County, MIMI28,853−8%

51Oceana County, MIMI27,177+1%

52▲5Otsego County, MIMI26,080+12%

53▲2Gladwin County, MIMI26,0770%

54▼2Charlevoix County, MIMI26,0360%

55▼2Dickinson County, MIMI25,827−6%

56▼2Cheboygan County, MIMI25,793−2%

57▲1Manistee County, MIMI25,656+5%

58▼2Iosco County, MIMI25,266−8%

59▲2Antrim County, MIMI24,698+7%

60Roscommon County, MIMI23,914−6%

61▲1Osceola County, MIMI23,516+1%

62▲1Leelanau County, MIMI22,982+9%

63▼4Menominee County, MIMI22,941−9%

64Ogemaw County, MIMI21,121−2%

65▲1Kalkaska County, MIMI18,693+13%

66▼1Benzie County, MIMI18,568+16%

67Missaukee County, MIMI15,274+5%

68Arenac County, MIMI15,068−13%

69Gogebic County, MIMI14,285−18%

70Crawford County, MIMI13,722−4%

71▲1Lake County, MIMI13,182+16%

72▼1Presque Isle County, MIMI13,128−9%

73Iron County, MIMI11,757−11%

74Mackinac County, MIMI11,236−6%

75Alcona County, MIMI10,556−10%

76Montmorency County, MIMI9,842−5%

77▲1Oscoda County, MIMI8,723−7%

78▼1Alger County, MIMI8,641−12%

79▲1Schoolcraft County, MIMI8,187−8%

80▼1Baraga County, MIMI8,169−7%

81▲1Luce County, MIMI6,339−10%

82▼1Ontonagon County, MIMI5,823−26%

83Keweenaw County, MIMI2,186−5%

SHOWING 1–83 OF 83

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES