Population of Counties in Michigan (2022)

There are 83 counties in Michigan.

The most populous county in Michigan in 2019 is Wayne County, home to Detroit, with a population of 1,753,616. This represents a growth rate of -3.39% since the 2010 census. Michigan is home to three other counties with more than 500,000 residents: Oakland (1,250,836), Macomb County (871,375), and Kent County (648,594). Of these, Kent County has experienced the highest population growth rate of 7.58%.

Michigan Counties with Fewest Residents

The least populous county in Michigan is Keweenaw County with a population of just 2,105, a growth rate of -2.95%. Michigan is home to 8 counties with a population of less than 10,000. Other small Michigan counties include Ontonagon County (5,881), Luce County (6,358), Schoolcraft County (8,049), Oscoda County (8,287), and Baraga County (8,441). All of these counties have experienced a decline in population. Ontonagon County has experienced the most dramatic population growth of -13.21%.

Michigan Counties with Rapid Growth

Ottawa County, the 8th largest county in Michigan, has experienced the largest population growth in Michigan at 8.44% since the census, bringing its population to 286,383. After Ottawa County, other counties that have experienced rapid growth include Kent County (7.58%), Washtenaw County (6.40%), and Grand Traverse County (5.56%). The county with the largest decline in population is Ontonagon County with a drop of 13.21%.

Name 2022 Population Growth Since 2010 Density (mi²)
Alcona County10,540-3.12%15.62
Alger County9,078-5.24%9.92
Allegan County120,8058.32%146.39
Alpena County28,468-3.53%49.78
Antrim County23,327-0.70%49.04
Arenac County14,508-8.48%39.95
Baraga County7,864-11.25%8.75
Barry County62,5075.77%113.01
Bay County101,398-5.83%229.25
Benzie County17,7811.58%55.62
Berrien County152,234-2.87%268.14
Branch County43,370-3.99%85.65
Calhoun County134,489-1.08%190.42
Cass County51,973-0.52%106.05
Charlevoix County26,0110.29%62.47
Cheboygan County24,592-5.64%34.38
Chippewa County37,013-4.15%23.75
Clare County31,5951.90%55.99
Clinton County80,7237.06%142.52
Crawford County14,4012.46%25.89
Delta County35,607-3.89%30.40
Dickinson County24,843-5.03%32.63
Eaton County111,9423.89%194.62
Emmet County33,9854.09%72.69
Genesee County403,188-5.12%632.98
Gladwin County25,8180.32%51.45
Gogebic County10,552-35.64%9.58
Grand Traverse County94,7628.96%204.08
Gratiot County41,038-3.29%72.19
Hillsdale County45,314-2.86%75.76
Houghton County34,907-4.96%34.59
Huron County30,291-8.44%36.23
Ingham County294,7884.86%530.08
Ionia County65,9603.32%115.46
Iosco County25,199-2.48%45.89
Iron County10,952-7.27%9.39
Isabella County68,099-3.12%118.91
Jackson County158,342-1.10%225.67
Kalamazoo County266,2246.17%473.54
Kalkaska County18,7349.26%33.46
Kent County667,77010.75%787.74
Keweenaw County2,1941.15%4.06
Lake County11,7842.34%20.76
Lapeer County86,665-1.75%134.53
Leelanau County21,9020.84%63.08
Lenawee County99,381-0.26%132.59
Livingston County194,4107.37%343.96
Luce County5,935-10.09%6.60
Mackinac County10,853-2.30%10.62
Macomb County877,5034.30%1,831.51
Manistee County24,8671.13%45.87
Marquette County67,6530.86%37.41
Mason County29,3242.11%59.23
Mecosta County43,6121.77%78.57
Menominee County22,339-6.80%21.40
Midland County82,955-0.83%160.69
Missaukee County15,1692.38%26.86
Monroe County151,478-0.30%275.70
Montcalm County63,7440.68%90.37
Montmorency County9,487-2.97%17.35
Muskegon County173,4670.90%346.92
Newaygo County49,4032.13%60.57
Oakland County1,260,2504.75%1,452.81
Oceana County26,203-1.13%51.16
Ogemaw County21,342-1.22%37.87
Ontonagon County5,477-19.17%4.18
Osceola County23,7090.88%41.86
Oscoda County8,292-3.59%14.66
Otsego County24,7492.48%48.06
Ottawa County297,89612.78%528.59
Presque Isle County12,274-7.83%18.63
Roscommon County24,6400.81%47.42
Saginaw County189,783-5.04%237.09
St. Clair County159,419-2.01%221.05
St. Joseph County61,120-0.27%122.09
Sanilac County41,104-4.60%42.70
Schoolcraft County8,244-2.69%7.04
Shiawassee County68,089-3.60%128.28
Tuscola County51,081-8.29%63.58
Van Buren County76,2650.15%125.48
Washtenaw County361,9554.70%512.71
Wayne County1,734,010-4.47%2,833.28
Wexford County34,1864.42%60.51