| County | Rank | Change (2020) ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Lake County | 1 | 9.47% | 13,244 | 12,098 |
| Montmorency County | 2 | 8.42% | 9,942 | 9,170 |
| Alcona County | 3 | 5.4% | 10,735 | 10,185 |
| Montcalm County | 4 | 5.31% | 70,197 | 66,659 |
| Crawford County | 5 | 5.04% | 13,641 | 12,987 |
| Otsego County | 6 | 4.96% | 26,381 | 25,135 |
| Mackinac County | 7 | 4.95% | 11,346 | 10,811 |
| Kalkaska County | 8 | 4.94% | 18,814 | 17,929 |
| Antrim County | 9 | 4.88% | 24,606 | 23,460 |
| Oscoda County | 10 | 4.68% | 8,620 | 8,235 |
| Mecosta County | 11 | 4.32% | 42,172 | 40,426 |
| Branch County | 12 | 4.2% | 46,761 | 44,878 |
| Ottawa County | 13 | 4.04% | 308,895 | 296,899 |
| Keweenaw County | 14 | 3.98% | 2,141 | 2,059 |
| Newaygo County | 15 | 3.44% | 51,819 | 50,095 |
| Kent County | 16 | 3.4% | 680,895 | 658,524 |
| Osceola County | 17 | 3.39% | 23,679 | 22,902 |
| Benzie County | 18 | 3.26% | 18,580 | 17,993 |
| Oakland County | 19 | 3.1% | 1,311,940 | 1,272,526 |
| Wexford County | 20 | 2.86% | 34,654 | 33,689 |
| Ingham County | 21 | 2.86% | 293,144 | 285,007 |
| Marquette County | 22 | 2.64% | 68,304 | 66,544 |
| Houghton County | 23 | 2.63% | 38,235 | 37,256 |
| Gladwin County | 24 | 2.61% | 26,031 | 25,370 |
| Barry County | 25 | 2.49% | 64,169 | 62,607 |
| Leelanau County | 26 | 2.08% | 22,772 | 22,308 |
| Muskegon County | 27 | 2.05% | 178,380 | 174,794 |
| Roscommon County | 28 | 2.04% | 23,944 | 23,465 |
| Manistee County | 29 | 1.93% | 25,553 | 25,070 |
| Allegan County | 30 | 1.93% | 122,984 | 120,661 |
| Clare County | 31 | 1.92% | 31,434 | 30,843 |
| Isabella County | 32 | 1.76% | 65,659 | 64,521 |
| Kalamazoo County | 33 | 1.7% | 266,263 | 261,814 |
| Livingston County | 34 | 1.64% | 197,180 | 193,989 |
| Schoolcraft County | 35 | 1.64% | 8,189 | 8,057 |
| Washtenaw County | 36 | 1.48% | 377,352 | 371,849 |
| Macomb County | 37 | 1.45% | 893,079 | 880,294 |
| Grand Traverse County | 38 | 1.43% | 96,793 | 95,427 |
| Presque Isle County | 39 | 1.41% | 13,182 | 12,999 |
| Clinton County | 40 | 1.4% | 80,277 | 79,171 |
| Oceana County | 41 | 1.13% | 27,018 | 26,716 |
| Van Buren County | 42 | 1.04% | 76,353 | 75,566 |
| Cheboygan County | 43 | 1.04% | 25,850 | 25,585 |
| Monroe County | 44 | 1.03% | 156,500 | 154,909 |
| Ogemaw County | 45 | 0.97% | 20,987 | 20,785 |
| Lapeer County | 46 | 0.78% | 89,276 | 88,587 |
| Iosco County | 47 | 0.68% | 25,361 | 25,189 |
| Iron County | 48 | 0.66% | 11,696 | 11,619 |
| Eaton County | 49 | 0.66% | 109,916 | 109,199 |
| Midland County | 50 | 0.65% | 84,037 | 83,493 |
| Missaukee County | 51 | 0.57% | 15,153 | 15,067 |
| St. Joseph County | 52 | 0.55% | 61,280 | 60,942 |
| Charlevoix County | 53 | 0.33% | 26,121 | 26,035 |
| Jackson County | 54 | 0.25% | 160,631 | 160,223 |
| Alpena County | 55 | 0.2% | 28,936 | 28,879 |
| Arenac County | 56 | 0.09% | 15,022 | 15,009 |
| Dickinson County | 57 | 0.05% | 25,921 | 25,907 |
| St. Clair County | 58 | -0.04% | 160,336 | 160,394 |
| Cass County | 59 | -0.04% | 51,534 | 51,553 |
| Shiawassee County | 60 | -0.07% | 67,959 | 68,004 |
| Calhoun County | 61 | -0.11% | 134,065 | 134,219 |
| Mason County | 62 | -0.17% | 28,987 | 29,037 |
| Ontonagon County | 63 | -0.21% | 5,791 | 5,803 |
| Baraga County | 64 | -0.31% | 8,116 | 8,141 |
| Hillsdale County | 65 | -0.36% | 45,564 | 45,730 |
| Wayne County | 66 | -0.55% | 1,779,755 | 1,789,655 |
| Genesee County | 67 | -0.73% | 402,847 | 405,793 |
| Ionia County | 68 | -0.74% | 66,396 | 66,891 |
| Emmet County | 69 | -0.74% | 33,859 | 34,113 |
| Sanilac County | 70 | -0.87% | 40,152 | 40,504 |
| Gratiot County | 71 | -0.9% | 41,310 | 41,687 |
| Delta County | 72 | -0.94% | 36,528 | 36,874 |
| Berrien County | 73 | -1.08% | 152,755 | 154,426 |
| Saginaw County | 74 | -1.17% | 187,659 | 189,883 |
| Bay County | 75 | -1.17% | 102,528 | 103,747 |
| Gogebic County | 76 | -1.22% | 14,171 | 14,346 |
| Tuscola County | 77 | -1.22% | 52,658 | 53,311 |
| Lenawee County | 78 | -1.46% | 97,871 | 99,318 |
| Chippewa County | 79 | -1.69% | 36,166 | 36,787 |
| Menominee County | 80 | -2.02% | 22,977 | 23,450 |
| Alger County | 81 | -2.14% | 8,650 | 8,839 |
| Luce County | 82 | -2.23% | 6,267 | 6,410 |
| Huron County | 83 | -2.41% | 30,617 | 31,372 |
Michigan's counties show varied growth patterns from 2020 to 2025. Lake County leads with 9.47% annualized growth, followed by Montmorency County (8.42%) and Alcona County (5.4%). The largest counties are Wayne County (1,779,755), Oakland County (1,311,940), and Macomb County (893,079). Of the 83 counties in Michigan, 57 are growing while 26 have experienced population decline. Overall, counties averaged 1.44% annualized growth, with total population growing by 1.24% annually.
-0.05
-0.025
0
0.025
0.05
0.075