Michigan Counties by Population (2025)
Top 5 Most Populous Counties
1,735,623
1,269,228
876,833
666,222
400,720
83 counties
| County | 2025 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| Wayne County | 1,735,623 | 612 | 2,836 | -3.02% |
| Oakland County | 1,269,228 | 867 | 1,464 | -0.26% |
| Macomb County | 876,833 | 479 | 1,831 | -0.39% |
| Kent County | 666,222 | 849 | 785 | 1.17% |
| Genesee County | 400,720 | 637 | 629 | -1.25% |
| Washtenaw County | 363,600 | 706 | 515 | -2.21% |
| Ottawa County | 308,280 | 564 | 547 | 3.83% |
| Ingham County | 286,957 | 556 | 516 | 0.8% |
| Kalamazoo County | 264,861 | 562 | 471 | 1.17% |
| Livingston County | 198,003 | 565 | 350 | 2.08% |
| Saginaw County | 186,600 | 801 | 233 | -1.73% |
| Muskegon County | 178,614 | 504 | 354 | 2.19% |
| St. Clair County | 160,286 | 721 | 222 | -0.06% |
| Jackson County | 158,756 | 702 | 226 | -0.92% |
| Monroe County | 154,665 | 549 | 282 | -0.15% |
| Berrien County | 151,113 | 568 | 266 | -2% |
| Calhoun County | 133,250 | 706 | 189 | -0.71% |
| Allegan County | 123,237 | 825 | 149 | 2.13% |
| Eaton County | 108,752 | 575 | 189 | -0.39% |
| Bay County | 102,224 | 442 | 231 | -1.46% |
| Grand Traverse County | 96,667 | 464 | 208 | 1.3% |
| Lenawee County | 96,000 | 750 | 128 | -3.35% |
| Lapeer County | 89,667 | 647 | 139 | 1.22% |
| Midland County | 84,593 | 518 | 163 | 1.34% |
| Clinton County | 79,856 | 567 | 141 | 0.87% |
| Van Buren County | 76,056 | 608 | 125 | 0.64% |
| Montcalm County | 70,044 | 705 | 99 | 5.12% |
| Shiawassee County | 68,141 | 531 | 128 | 0.19% |
| Marquette County | 67,901 | 1,809 | 38 | 2.86% |
| Ionia County | 65,114 | 571 | 114 | -2.63% |
| Barry County | 64,620 | 553 | 117 | 3.23% |
| Isabella County | 63,622 | 573 | 111 | -1.39% |
| St. Joseph County | 61,078 | 501 | 122 | 0.22% |
| Tuscola County | 52,662 | 805 | 65 | -1.22% |
| Cass County | 51,972 | 490 | 106 | 0.8% |
| Newaygo County | 51,868 | 839 | 62 | 3.51% |
| Branch County | 46,641 | 506 | 92 | 3.91% |
| Hillsdale County | 45,291 | 598 | 76 | -0.96% |
| Gratiot County | 41,896 | 568 | 74 | 0.51% |
| Mecosta County | 41,733 | 555 | 75 | 4.88% |
| Sanilac County | 40,140 | 963 | 42 | -0.89% |
| Houghton County | 38,477 | 1,009 | 38 | 3.33% |
| Delta County | 36,808 | 1,171 | 31 | -0.17% |
| Chippewa County | 36,378 | 1,559 | 23 | -1.11% |
| Wexford County | 34,330 | 565 | 61 | 1.89% |
| Emmet County | 33,939 | 468 | 73 | -0.51% |
| Clare County | 31,334 | 564 | 56 | 1.59% |
| Huron County | 30,491 | 836 | 36 | -2.78% |
| Alpena County | 29,046 | 572 | 51 | 0.55% |
| Mason County | 28,841 | 495 | 58 | -0.66% |
| Oceana County | 27,103 | 538 | 50 | 1.46% |
| Gladwin County | 26,317 | 502 | 52 | 3.7% |
| Cheboygan County | 26,216 | 715 | 37 | 2.46% |
| Charlevoix County | 26,131 | 416 | 63 | 0.35% |
| Otsego County | 26,119 | 515 | 51 | 3.92% |
| Dickinson County | 26,060 | 761 | 34 | 0.6% |
| Manistee County | 25,956 | 542 | 48 | 3.55% |
| Iosco County | 25,173 | 549 | 46 | -0.04% |
| Antrim County | 24,697 | 476 | 52 | 5.28% |
| Roscommon County | 24,225 | 520 | 47 | 3.21% |
| Osceola County | 23,432 | 566 | 41 | 2.28% |
| Leelanau County | 23,291 | 347 | 67 | 4.41% |
| Menominee County | 22,385 | 1,044 | 21 | -4.55% |
| Ogemaw County | 21,132 | 564 | 37 | 1.69% |
| Kalkaska County | 18,982 | 560 | 34 | 5.86% |
| Benzie County | 18,669 | 320 | 58 | 3.77% |
| Missaukee County | 15,469 | 565 | 27 | 2.68% |
| Arenac County | 15,189 | 363 | 42 | 1.25% |
| Gogebic County | 13,918 | 1,102 | 13 | -2.98% |
| Crawford County | 13,746 | 556 | 25 | 5.8% |
| Presque Isle County | 13,169 | 659 | 20 | 1.26% |
| Lake County | 12,900 | 568 | 23 | 6.66% |
| Iron County | 11,810 | 1,166 | 10 | 1.51% |
| Alcona County | 10,673 | 675 | 16 | 4.72% |
| Mackinac County | 10,629 | 1,022 | 10 | -1.73% |
| Montmorency County | 9,920 | 547 | 18 | 8.18% |
| Oscoda County | 8,853 | 566 | 16 | 7.5% |
| Alger County | 8,725 | 915 | 10 | -1.32% |
| Baraga County | 8,364 | 898 | 9 | 2.73% |
| Schoolcraft County | 8,099 | 1,172 | 7 | 0.52% |
| Luce County | 6,757 | 899 | 8 | 5.38% |
| Ontonagon County | 5,876 | 1,311 | 4 | 1.24% |
| Keweenaw County | 2,206 | 540 | 4 | 7.09% |
Overview of Michigan Counties
There are 83 counties in Michigan.
The most populous county in Michigan 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 County: 1,250,836
- Macomb County: 871,375
- Kent County: 648,594 (growth rate of 7.58%)
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 eight counties with populations of less than 10,000. Other small Michigan counties include:
- Ontonagon County: 5,881 (growth rate of -13.21%)
- Luce County: 6,358
- Schoolcraft County: 8,049
- Oscoda County: 8,287
- Baraga County: 8,441
All of these counties have experienced a decline in population, with Ontonagon County showing the most dramatic decline at -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 2010 census, bringing its population to 286,383.
Following Ottawa County are:
- Kent County: Growth rate of 7.58%
- Washtenaw County: Growth rate of 6.40%
- Grand Traverse County: Growth rate of 5.56%
The county with the largest decline in population is Ontonagon County, which has seen a drop of -13.21%.
Sources
- US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
- American Community Survey (2009 - 2013)
- Census QuickFacts
- Historical Populations of States and Counties (1790 - 1990)