21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hayes township | 1 | 4,686 | 4,635 | -0.11% | 150 | 31.30 | Township |
| Surrey township | 2 | 3,671 | 3,633 | -0.14% | 105 | 35.10 | Township |
| Clare | 3 | 3,291 | 3,258 | 0.21% | 883 | 3.73 | City |
| Lake township | 4 | 2,884 | 2,822 | 0.42% | 91 | 31.56 | Township |
| Harrison | 5 | 2,172 | 2,146 | 0.23% | 585 | 3.71 | City |
| Garfield township | 6 | 1,842 | 1,810 | 0.05% | 55 | 33.39 | Township |
| Lake township | 7 | 1,151 | 1,121 | 0.61% | 50 | 23.07 | Township |
| Freeman township | 8 | 1,131 | 1,118 | -0.09% | 33 | 34.58 | Township |
| Greenwood township | 9 | 1,128 | 1,107 | 0.09% | 32 | 35.20 | Township |
| Frost township | 10 | 1,061 | 1,041 | 0.09% | 30 | 34.95 | Township |
| Hatton township | 11 | 918 | 896 | 0.22% | 26 | 35.89 | Township |
| Farwell | 12 | 903 | 885 | 0.44% | 661 | 1.37 | Village |
| Lake township | 13 | 872 | 813 | 0.69% | 26 | 33.77 | Township |
| Lake township | 14 | 714 | 693 | 0.42% | 31 | 23.38 | Township |
| Arthur township | 15 | 684 | 673 | 0% | 19 | 36.02 | Township |
| Lake township | 16 | 634 | 655 | -0.78% | 31 | 20.50 | Township |
| Lake township | 17 | 483 | 498 | -1.02% | 7 | 70.74 | Township |
| Redding township | 18 | 477 | 461 | 0.42% | 14 | 34.90 | Township |
| Summerfield township | 19 | 470 | 462 | 0% | 13 | 35.20 | Township |
| Winterfield township | 20 | 461 | 455 | -0.22% | 13 | 36.10 | Township |
| Loomis | 21 | 218 | 179 | 0% | 78 | 2.80 | CDP |
Hayes township is the largest city in Clare County, with a population of 4,686.
Loomis is the smallest city in Clare County.
There are 21 cities in Clare County, Michigan.