Michigan Counties by Population (2025)
2025 Pop.
200K
400K
600K
800K
1M
1.2M
1.4M
1.6M
Top 5 Most Populous Counties
1,779,755
1,311,940
893,079
680,895
402,847
83 Counties
| County | 2025 Pop. ↓ | Area (mi²) | Density | Change (2020) |
|---|---|---|---|---|
| Wayne County | 1,779,755 | 612 | 2,908 | -0.55% |
| Oakland County | 1,311,940 | 867 | 1,513 | 3.1% |
| Macomb County | 893,079 | 479 | 1,864 | 1.45% |
| Kent County | 680,895 | 849 | 802 | 3.4% |
| Genesee County | 402,847 | 637 | 632 | -0.73% |
| Washtenaw County | 377,352 | 706 | 534 | 1.48% |
| Ottawa County | 308,895 | 564 | 548 | 4.04% |
| Ingham County | 293,144 | 556 | 527 | 2.86% |
| Kalamazoo County | 266,263 | 562 | 474 | 1.7% |
| Livingston County | 197,180 | 565 | 349 | 1.64% |
| Saginaw County | 187,659 | 801 | 234 | -1.17% |
| Muskegon County | 178,380 | 504 | 354 | 2.05% |
| Jackson County | 160,631 | 702 | 229 | 0.25% |
| St. Clair County | 160,336 | 721 | 222 | -0.04% |
| Monroe County | 156,500 | 549 | 285 | 1.03% |
| Berrien County | 152,755 | 568 | 269 | -1.08% |
| Calhoun County | 134,065 | 706 | 190 | -0.11% |
| Allegan County | 122,984 | 825 | 149 | 1.93% |
| Eaton County | 109,916 | 575 | 191 | 0.66% |
| Bay County | 102,528 | 442 | 232 | -1.17% |
| Lenawee County | 97,871 | 750 | 130 | -1.46% |
| Grand Traverse County | 96,793 | 464 | 209 | 1.43% |
| Lapeer County | 89,276 | 647 | 138 | 0.78% |
| Midland County | 84,037 | 518 | 162 | 0.65% |
| Clinton County | 80,277 | 567 | 142 | 1.4% |
| Van Buren County | 76,353 | 608 | 126 | 1.04% |
| Montcalm County | 70,197 | 705 | 100 | 5.31% |
| Marquette County | 68,304 | 1.8K | 38 | 2.64% |
| Shiawassee County | 67,959 | 531 | 128 | -0.07% |
| Ionia County | 66,396 | 571 | 116 | -0.74% |
| Isabella County | 65,659 | 573 | 115 | 1.76% |
| Barry County | 64,169 | 553 | 116 | 2.49% |
| St. Joseph County | 61,280 | 501 | 122 | 0.55% |
| Tuscola County | 52,658 | 805 | 65 | -1.22% |
| Newaygo County | 51,819 | 839 | 62 | 3.44% |
| Cass County | 51,534 | 490 | 105 | -0.04% |
| Branch County | 46,761 | 506 | 92 | 4.2% |
| Hillsdale County | 45,564 | 598 | 76 | -0.36% |
| Mecosta County | 42,172 | 555 | 76 | 4.32% |
| Gratiot County | 41,310 | 568 | 73 | -0.9% |
| Sanilac County | 40,152 | 963 | 42 | -0.87% |
| Houghton County | 38,235 | 1K | 38 | 2.63% |
| Delta County | 36,528 | 1.2K | 31 | -0.94% |
| Chippewa County | 36,166 | 1.6K | 23 | -1.69% |
| Wexford County | 34,654 | 565 | 61 | 2.86% |
| Emmet County | 33,859 | 468 | 72 | -0.74% |
| Clare County | 31,434 | 564 | 56 | 1.92% |
| Huron County | 30,617 | 836 | 37 | -2.41% |
| Mason County | 28,987 | 495 | 59 | -0.17% |
| Alpena County | 28,936 | 572 | 51 | 0.2% |
| Oceana County | 27,018 | 538 | 50 | 1.13% |
| Otsego County | 26,381 | 515 | 51 | 4.96% |
| Charlevoix County | 26,121 | 416 | 63 | 0.33% |
| Gladwin County | 26,031 | 502 | 52 | 2.61% |
| Dickinson County | 25,921 | 761 | 34 | 0.05% |
| Cheboygan County | 25,850 | 715 | 36 | 1.04% |
| Manistee County | 25,553 | 542 | 47 | 1.93% |
| Iosco County | 25,361 | 549 | 46 | 0.68% |
| Antrim County | 24,606 | 476 | 52 | 4.88% |
| Roscommon County | 23,944 | 520 | 46 | 2.04% |
| Osceola County | 23,679 | 566 | 42 | 3.39% |
| Menominee County | 22,977 | 1K | 22 | -2.02% |
| Leelanau County | 22,772 | 347 | 66 | 2.08% |
| Ogemaw County | 20,987 | 564 | 37 | 0.97% |
| Kalkaska County | 18,814 | 560 | 34 | 4.94% |
| Benzie County | 18,580 | 320 | 58 | 3.26% |
| Missaukee County | 15,153 | 565 | 27 | 0.57% |
| Arenac County | 15,022 | 363 | 41 | 0.09% |
| Gogebic County | 14,171 | 1.1K | 13 | -1.22% |
| Crawford County | 13,641 | 556 | 25 | 5.04% |
| Lake County | 13,244 | 568 | 23 | 9.47% |
| Presque Isle County | 13,182 | 659 | 20 | 1.41% |
| Iron County | 11,696 | 1.2K | 10 | 0.66% |
| Mackinac County | 11,346 | 1K | 11 | 4.95% |
| Alcona County | 10,735 | 675 | 16 | 5.4% |
| Montmorency County | 9,942 | 547 | 18 | 8.42% |
| Alger County | 8,650 | 915 | 9 | -2.14% |
| Oscoda County | 8,620 | 566 | 15 | 4.68% |
| Schoolcraft County | 8,189 | 1.2K | 7 | 1.64% |
| Baraga County | 8,116 | 898 | 9 | -0.31% |
| Luce County | 6,267 | 899 | 7 | -2.23% |
| Ontonagon County | 5,791 | 1.3K | 4 | -0.21% |
| Keweenaw County | 2,141 | 540 | 4 | 3.98% |
Overview of Michigan Counties
There are 83 counties in Michigan.
Wayne County is the largest county in the state, with a population of 1,779,755. The most recent census shows that its population has decreased by 0.01% since the previous census.
A number of other Michigan counties also boast relatively large populations for their state, though not able to match the density of Wayne County:
- Oakland County : 1,311,940
- Macomb County : 893,079
Michigan Counties with the Fewest Residents
The smallest county in Michigan is Keweenaw County , with a population of just 2,141. This total represents a increase of 0.0% since the last census count was performed.
Other small counties include:
- Ontonagon County : 5,791
- Luce County : 6,267
- Baraga County : 8,116
Michigan Counties with Rapid Growth
Lake County , with its current population of 13,244, has shown the largest population growth, with an increase of 0.1% since the last census.
Kent County has also had relatively high population growth of 0.03% with 680,895 residents.
On the other hand, Huron County has had the largest decrease in population, with its 30,617 current residents totalling 0.0% less than the previous census.
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)