21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Albert | 1 | 2,670 | 2,459 | 1.17% | 41 | 66 | Township |
| Albert | 2 | 2,670 | 2,462 | 1.17% | 41 | 66 | Township |
| Hillman | 3 | 2,172 | 2,000 | 1.16% | 32 | 68 | Township |
| Hillman | 4 | 2,172 | 2,003 | 1.16% | 32 | 68 | Township |
| Briley | 5 | 1,836 | 1,695 | 1.1% | 27 | 68 | Township |
| Briley | 6 | 1,836 | 1,698 | 1.1% | 27 | 68 | Township |
| Montmorency | 7 | 1,102 | 1,019 | 1.1% | 8 | 137 | Township |
| Montmorency | 8 | 1,102 | 1,021 | 1.1% | 8 | 137 | Township |
| Lewiston | 9 | 738 | 863 | -5.63% | 260 | 3 | CDP |
| Avery | 10 | 723 | 661 | 1.26% | 21 | 35 | Township |
| Avery | 11 | 723 | 662 | 1.26% | 21 | 35 | Township |
| Hillman | 12 | 669 | 620 | 1.36% | 404 | 2 | Village |
| Hillman | 13 | 669 | 621 | 1.36% | 404 | 2 | Village |
| Vienna | 14 | 581 | 534 | 1.22% | 8 | 69 | Township |
| Vienna | 15 | 581 | 535 | 1.22% | 8 | 69 | Township |
| Rust | 16 | 567 | 521 | 1.25% | 8 | 69 | Township |
| Rust | 17 | 567 | 522 | 1.25% | 8 | 69 | Township |
| Atlanta | 18 | 513 | 629 | -3.93% | 142 | 4 | CDP |
| Canada Creek Ranch | 19 | 316 | 288 | 0% | 142 | 2 | CDP |
| Loud | 20 | 291 | 267 | 1.04% | 8 | 36 | Township |
| Loud | 21 | 291 | 267 | 1.04% | 8 | 36 | Township |
Albert is the largest city in Montmorency County, with a population of 2,670.
Loud is the smallest city in Montmorency County, with a population of 291.
There are 21 cities in Montmorency County, Michigan.