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 County was the most populated county with 1,755,868 residents, followed by Oakland County with 1,257,472 residents, and Macomb County with 872,089 residents. Keweenaw 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.
Related Topics: Michigan Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
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% |