Michigan Population By County in 2018

Updated on January 27, 2024.

According to the US Census Bureau population estimates, there were 9,987,286 people living in Michigan in 2018. Wayne[object Promise] County was the most populated county with 1,755,868 residents, followed by Oakland[object Promise] County with 1,257,472 residents, and Macomb[object Promise] County with 872,089 residents. Keweenaw[object Promise] County with a population of 2,076 was the least populated county in Michigan in 2018.

Use the map below to interactively explore the population for each county in Michigan in 2018. The data can also be explored further by sorting and filtering with the table below.

You can see similar information for other states and by state for the United States.

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Michigan Population By County in 2018
Table of Michigan Population By County in 2018
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County Population % of State Population
Alcona 10,364 0.10%
Alger 9,105 0.09%
Allegan 117,137 1.17%
Alpena 28,422 0.28%
Antrim 23,339 0.23%
Arenac 15,033 0.15%
Baraga 8,313 0.08%
Barry 61,195 0.61%
Bay 103,674 1.04%
Benzie 17,748 0.18%
Berrien 153,892 1.54%
Branch 43,474 0.44%
Calhoun 133,858 1.34%
Cass 51,773 0.52%
Charlevoix 26,247 0.26%
Cheboygan 25,574 0.26%
Chippewa 37,423 0.38%
Clare 30,684 0.31%
Clinton 79,229 0.79%
Crawford 13,881 0.14%
Delta 35,887 0.36%
Dickinson 25,431 0.26%
Eaton 109,684 1.10%
Emmet 33,168 0.33%
Genesee 406,626 4.07%
Gladwin 25,326 0.25%
Gogebic 15,095 0.15%
Grand Traverse 92,587 0.93%
Gratiot 40,582 0.41%
Hillsdale 45,709 0.46%
Houghton 35,993 0.36%
Huron 31,193 0.31%
Ingham 291,267 2.92%
Ionia 64,290 0.64%
Iosco 25,195 0.25%
Iron 11,094 0.11%
Isabella 70,392 0.71%
Jackson 158,594 1.59%
Kalamazoo 265,120 2.66%
Kalkaska 17,774 0.18%
Kent 653,636 6.55%
Keweenaw 2,076 0.02%
Lake 11,850 0.12%
Lapeer 87,987 0.88%
Leelanau 21,662 0.22%
Lenawee 98,118 0.98%
Livingston 191,259 1.92%
Luce 6,336 0.06%
Mackinac 10,790 0.11%
Macomb 872,089 8.73%
Manistee 24,479 0.25%
Marquette 66,406 0.67%
Mason 29,121 0.29%
Mecosta 43,471 0.44%
Menominee 22,908 0.23%
Midland 83,447 0.84%
Missaukee 15,094 0.15%
Monroe 150,218 1.50%
Montcalm 63,854 0.64%
Montmorency 9,260 0.09%
Muskegon 173,719 1.74%
Newaygo 48,914 0.49%
Oakland 1,257,472 12.59%
Oceana 26,577 0.27%
Ogemaw 20,876 0.21%
Ontonagon 5,816 0.06%
Osceola 23,310 0.23%
Oscoda 8,249 0.08%
Otsego 24,675 0.25%
Ottawa 289,578 2.90%
Presque Isle 12,712 0.13%
Roscommon 23,822 0.24%
Saginaw 190,841 1.91%
St. Clair 159,186 1.59%
St. Joseph 60,808 0.61%
Sanilac 41,233 0.41%
Schoolcraft 8,007 0.08%
Shiawassee 68,064 0.68%
Tuscola 52,692 0.53%
Van Buren 75,434 0.76%
Washtenaw 370,548 3.71%
Wayne 1,755,868 17.58%
Wexford 33,452 0.34%