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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%6122,849Wayne County location
Oakland County1,269,827-0.21%8671,465Oakland County location
Macomb County875,967-0.49%4791,829Macomb County location
Kent County663,7880.8%849782Kent County location
Genesee County401,121-1.15%637630Genesee County location
Washtenaw County364,568-1.95%706516Washtenaw County location
Ottawa County305,8263%564542Ottawa County location
Ingham County285,7970.39%556514Ingham County location
Kalamazoo County263,5380.67%562469Kalamazoo County location
Livingston County197,3801.76%565349Livingston County location
Saginaw County187,191-1.42%801234Saginaw County location
Muskegon County177,5891.6%504352Muskegon County location
St. Clair County160,080-0.19%721222St. Clair County location
Jackson County159,090-0.71%702227Jackson County location
Monroe County154,855-0.03%549282Monroe County location
Berrien County151,687-1.63%568267Berrien County location
Calhoun County133,308-0.66%706189Calhoun County location
Allegan County122,5881.59%825149Allegan County location
Eaton County108,786-0.36%575189Eaton County location
Bay County102,362-1.33%442232Bay County location
Lenawee County96,760-2.58%750129Lenawee County location
Grand Traverse County96,5441.17%464208Grand Traverse County location
Lapeer County89,3220.83%647138Lapeer County location
Midland County84,3161%518163Midland County location
Clinton County79,7880.78%567141Clinton County location
Van Buren County75,9270.47%608125Van Buren County location
Montcalm County69,0993.7%70598Montcalm County location
Shiawassee County68,0830.11%531128Shiawassee County location
Marquette County67,4502.18%1.8K37Marquette County location
Ionia County65,688-1.77%571115Ionia County location
Barry County64,2142.58%553116Barry County location
Isabella County63,870-1%573111Isabella County location
St. Joseph County60,9780.06%501122St. Joseph County location
Tuscola County52,744-1.07%80566Tuscola County location
Cass County51,8070.48%490106Cass County location
Newaygo County51,4882.75%83961Newaygo County location
Branch County45,9282.33%50691Branch County location
Hillsdale County45,439-0.64%59876Hillsdale County location
Gratiot County41,632-0.12%56873Gratiot County location
Mecosta County41,4164.09%55575Mecosta County location
Sanilac County40,254-0.6%96342Sanilac County location
Houghton County38,0382.15%1K38Houghton County location
Delta County36,799-0.19%1.2K31Delta County location
Chippewa County36,321-1.27%1.6K23Chippewa County location
Wexford County34,2261.58%56561Wexford County location
Emmet County34,031-0.24%46873Emmet County location
Clare County31,3251.56%56456Clare County location
Huron County30,709-2.09%83637Huron County location
Mason County29,000-0.11%49559Mason County location
Alpena County28,9750.31%57251Alpena County location
Oceana County27,0421.24%53850Oceana County location
Charlevoix County26,1450.4%41663Charlevoix County location
Cheboygan County26,1322.13%71537Cheboygan County location
Gladwin County26,0852.79%50252Gladwin County location
Dickinson County26,0210.45%76134Dickinson County location
Otsego County25,9333.18%51550Otsego County location
Manistee County25,7592.76%54248Manistee County location
Iosco County25,2730.35%54946Iosco County location
Antrim County24,5534.67%47652Antrim County location
Roscommon County24,0442.44%52046Roscommon County location
Osceola County23,3812.06%56641Osceola County location
Leelanau County23,1553.8%34767Leelanau County location
Menominee County22,665-3.35%1K22Menominee County location
Ogemaw County21,0611.35%56437Ogemaw County location
Kalkaska County18,7364.49%56033Kalkaska County location
Benzie County18,5553.14%32058Benzie County location
Missaukee County15,3902.16%56527Missaukee County location
Arenac County15,1671.11%36342Arenac County location
Gogebic County14,071-1.92%1.1K13Gogebic County location
Crawford County13,6425%55625Crawford County location
Presque Isle County13,2271.71%65920Presque Isle County location
Lake County12,8175.98%56823Lake County location
Iron County11,7751.21%1.2K10Iron County location
Mackinac County10,740-0.7%1K11Mackinac County location
Alcona County10,5813.82%67516Alcona County location
Montmorency County9,7996.86%54718Montmorency County location
Alger County8,741-1.14%91510Alger County location
Oscoda County8,6995.63%56615Oscoda County location
Baraga County8,3372.39%8989Baraga County location
Schoolcraft County8,1240.83%1.2K7Schoolcraft County location
Luce County6,5962.87%8997Luce County location
Ontonagon County5,8911.5%1.3K4Ontonagon County location
Keweenaw County2,1896.26%5404Keweenaw 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%.

Population of Counties in Michigan (2024)

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)