| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Greenville | 1 | 9,321 | 8,818 | 0.7% | 1,469 | 6 | City |
| Bloomer | 2 | 6,593 | 6,379 | 0.4% | 190 | 35 | Township |
| Reynolds | 3 | 5,710 | 5,412 | 0.4% | 160 | 36 | Township |
| Montcalm | 4 | 3,536 | 3,410 | 0.11% | 100 | 35 | Township |
| Pierson | 5 | 3,526 | 3,370 | 0.28% | 102 | 35 | Township |
| Evergreen | 6 | 3,070 | 2,944 | 0.23% | 89 | 35 | Township |
| Cato | 7 | 3,007 | 2,897 | 0.17% | 86 | 35 | Township |
| Home | 8 | 2,818 | 2,711 | 0.18% | 78 | 36 | Township |
| Crystal | 9 | 2,732 | 2,620 | 0.22% | 80 | 34 | Township |
| Sidney | 10 | 2,657 | 2,549 | 0.23% | 78 | 34 | Township |
| Winfield | 11 | 2,412 | 2,307 | 0.25% | 68 | 35 | Township |
| Douglass | 12 | 2,348 | 2,246 | 0.26% | 68 | 35 | Township |
| Belvidere | 13 | 2,230 | 2,135 | 0.27% | 64 | 35 | Township |
| Maple Valley | 14 | 1,985 | 1,909 | 0.15% | 56 | 35 | Township |
| Pine | 15 | 1,954 | 1,871 | 0.31% | 56 | 35 | Township |
| Howard City | 16 | 1,943 | 1,834 | 1.04% | 805 | 2 | Village |
| Sheridan | 17 | 1,916 | 1,802 | 0.26% | 61 | 31 | Township |
| Fairplain | 18 | 1,900 | 1,803 | 0.42% | 54 | 35 | Township |
| Sheridan | 19 | 1,678 | 1,552 | 1.57% | 46 | 36 | Township |
| Stanton | 20 | 1,611 | 1,577 | 0.31% | 13 | 122 | Township |
| Bushnell | 21 | 1,579 | 1,506 | 0.25% | 44 | 36 | Township |
| Sheridan | 22 | 1,397 | 1,317 | 0.94% | 40 | 35 | Township |
| Ferris | 23 | 1,395 | 1,329 | 0.36% | 39 | 36 | Township |
| Stanton | 24 | 1,393 | 1,340 | 0.72% | 649 | 2 | City |
| Edmore | 25 | 1,285 | 1,225 | 0.86% | 844 | 2 | Village |
| Day | 26 | 1,186 | 1,133 | 0.34% | 34 | 35 | Township |
| Carson City | 27 | 1,144 | 1,106 | 0.62% | 1,000 | 1 | City |
| Lakeview | 28 | 1,055 | 1,018 | 0.67% | 705 | 1 | Village |
| Sheridan | 29 | 1,045 | 1,039 | -0.29% | 30 | 34 | Township |
| Sheridan | 30 | 722 | 695 | 0.7% | 656 | 1 | Village |
| Crystal | 31 | 708 | 685 | 1% | 20 | 36 | Township |
| Sheridan | 32 | 601 | 624 | -0.99% | 17 | 36 | Township |
| Pierson | 33 | 206 | 200 | 0.49% | 827 | 0 | Village |
Greenville is the largest city in Montcalm County, with a population of 9,321.
Pierson is the smallest city in Montcalm County, with a population of 206.
There are 33 cities in Montcalm County, Michigan.