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Population of Counties in Michigan (2024)

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2024 Population
Growth Since 2020
Area (mi²)
Density (/mi²)
Wayne County1,743,396-2.58%2362,849Wayne County location
Oakland County1,269,827-0.21%3351,465Oakland County location
Macomb County875,967-0.49%1851,829Macomb County location
Kent County663,7880.8%328782Kent County location
Genesee County401,121-1.15%246630Genesee County location
Washtenaw County364,568-1.95%273516Washtenaw County location
Ottawa County305,8263%218542Ottawa County location
Ingham County285,7970.39%215514Ingham County location
Kalamazoo County263,5380.67%217469Kalamazoo County location
Livingston County197,3801.76%218349Livingston County location
Saginaw County187,191-1.42%309234Saginaw County location
Muskegon County177,5891.6%195352Muskegon County location
St. Clair County160,080-0.19%278222St. Clair County location
Jackson County159,090-0.71%271227Jackson County location
Monroe County154,855-0.03%212282Monroe County location
Berrien County151,687-1.63%219267Berrien County location
Calhoun County133,308-0.66%273189Calhoun County location
Allegan County122,5881.59%318149Allegan County location
Eaton County108,786-0.36%222189Eaton County location
Bay County102,362-1.33%171232Bay County location
Lenawee County96,760-2.58%290129Lenawee County location
Grand Traverse County96,5441.17%179208Grand Traverse County location
Lapeer County89,3220.83%250138Lapeer County location
Midland County84,3161%200163Midland County location
Clinton County79,7880.78%219141Clinton County location
Van Buren County75,9270.47%235125Van Buren County location
Montcalm County69,0993.7%27298Montcalm County location
Shiawassee County68,0830.11%205128Shiawassee County location
Marquette County67,4502.18%69837Marquette County location
Ionia County65,688-1.77%220115Ionia County location
Barry County64,2142.58%213116Barry County location
Isabella County63,870-1%221111Isabella County location
St. Joseph County60,9780.06%193122St. Joseph County location
Tuscola County52,744-1.07%31166Tuscola County location
Cass County51,8070.48%189106Cass County location
Newaygo County51,4882.75%32461Newaygo County location
Branch County45,9282.33%19591Branch County location
Hillsdale County45,439-0.64%23176Hillsdale County location
Gratiot County41,632-0.12%21973Gratiot County location
Mecosta County41,4164.09%21475Mecosta County location
Sanilac County40,254-0.6%37242Sanilac County location
Houghton County38,0382.15%38938Houghton County location
Delta County36,799-0.19%45231Delta County location
Chippewa County36,321-1.27%60223Chippewa County location
Wexford County34,2261.58%21861Wexford County location
Emmet County34,031-0.24%18173Emmet County location
Clare County31,3251.56%21856Clare County location
Huron County30,709-2.09%32337Huron County location
Mason County29,000-0.11%19159Mason County location
Alpena County28,9750.31%22151Alpena County location
Oceana County27,0421.24%20850Oceana County location
Charlevoix County26,1450.4%16163Charlevoix County location
Cheboygan County26,1322.13%27637Cheboygan County location
Gladwin County26,0852.79%19452Gladwin County location
Dickinson County26,0210.45%29434Dickinson County location
Otsego County25,9333.18%19950Otsego County location
Manistee County25,7592.76%20948Manistee County location
Iosco County25,2730.35%21246Iosco County location
Antrim County24,5534.67%18452Antrim County location
Roscommon County24,0442.44%20146Roscommon County location
Osceola County23,3812.06%21841Osceola County location
Leelanau County23,1553.8%13467Leelanau County location
Menominee County22,665-3.35%40322Menominee County location
Ogemaw County21,0611.35%21837Ogemaw County location
Kalkaska County18,7364.49%21633Kalkaska County location
Benzie County18,5553.14%12458Benzie County location
Missaukee County15,3902.16%21827Missaukee County location
Arenac County15,1671.11%14042Arenac County location
Gogebic County14,071-1.92%42513Gogebic County location
Crawford County13,6425%21525Crawford County location
Presque Isle County13,2271.71%25420Presque Isle County location
Lake County12,8175.98%21923Lake County location
Iron County11,7751.21%45010Iron County location
Mackinac County10,740-0.7%39411Mackinac County location
Alcona County10,5813.82%26116Alcona County location
Montmorency County9,7996.86%21118Montmorency County location
Alger County8,741-1.14%35310Alger County location
Oscoda County8,6995.63%21815Oscoda County location
Baraga County8,3372.39%3479Baraga County location
Schoolcraft County8,1240.83%4527Schoolcraft County location
Luce County6,5962.87%3477Luce County location
Ontonagon County5,8911.5%5064Ontonagon County location
Keweenaw County2,1896.26%2084Keweenaw County location
showing: 83 rows

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%.

Lists of Counties in all States

  1. Michigan Census Research Data Center
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)