21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hayes | 1 | 4,707 | 4,636 | 0.04% | 150 | 31 | Township |
| Surrey | 2 | 3,686 | 3,633 | -0.03% | 105 | 35 | Township |
| Clare | 3 | 3,301 | 3,260 | 0.24% | 886 | 4 | City |
| Lake | 4 | 2,832 | 2,820 | -0.56% | 90 | 32 | Township |
| Harrison | 5 | 2,174 | 2,151 | 0.18% | 585 | 4 | City |
| Garfield | 6 | 1,850 | 1,811 | 0.16% | 55 | 33 | Township |
| Lake | 7 | 1,141 | 1,122 | 0% | 49 | 23 | Township |
| Freeman | 8 | 1,136 | 1,120 | 0% | 33 | 35 | Township |
| Greenwood | 9 | 1,130 | 1,105 | 0.18% | 32 | 35 | Township |
| Frost | 10 | 1,065 | 1,041 | 0.19% | 30 | 35 | Township |
| Hatton | 11 | 915 | 897 | 0% | 25 | 36 | Township |
| Farwell | 12 | 902 | 886 | 0.33% | 660 | 1 | Village |
| Lake | 13 | 896 | 811 | 2.05% | 27 | 34 | Township |
| Lake | 14 | 713 | 694 | 0.28% | 30 | 23 | Township |
| Arthur | 15 | 686 | 674 | 0.15% | 19 | 36 | Township |
| Lake | 16 | 641 | 656 | -0.31% | 31 | 21 | Township |
| Lake | 17 | 493 | 496 | -0.2% | 7 | 71 | Township |
| Redding | 18 | 473 | 460 | 0.21% | 14 | 35 | Township |
| Summerfield | 19 | 468 | 459 | 0% | 13 | 35 | Township |
| Winterfield | 20 | 467 | 454 | 0.43% | 13 | 36 | Township |
| Loomis | 21 | 218 | 179 | 0% | 78 | 3 | CDP |
Hayes is the largest city in Clare County, with a population of 4,707.
Loomis is the smallest city in Clare County, with a population of 218.
There are 21 cities in Clare County, Michigan.