19 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Big Rapids | 1 | 8,666 | 8,363 | 0.59% | 1,950 | 4 | City |
| Morton | 2 | 4,844 | 4,440 | 1.09% | 147 | 33 | Township |
| Big Rapids charter | 3 | 4,115 | 3,941 | 0.66% | 135 | 30 | Township |
| Green charter | 4 | 3,406 | 3,227 | 0.59% | 92 | 37 | Township |
| Mecosta | 5 | 2,880 | 2,748 | 0.45% | 85 | 34 | Township |
| Aetna | 6 | 2,367 | 2,246 | 0.59% | 67 | 36 | Township |
| Colfax | 7 | 2,036 | 1,963 | 0.3% | 58 | 35 | Township |
| Austin | 8 | 1,796 | 1,716 | 0.5% | 50 | 36 | Township |
| Fork | 9 | 1,703 | 1,628 | 0.47% | 49 | 35 | Township |
| Martiny | 10 | 1,674 | 1,597 | 0.48% | 52 | 32 | Township |
| Wheatland | 11 | 1,440 | 1,395 | 0.28% | 41 | 35 | Township |
| Chippewa | 12 | 1,292 | 1,225 | 0.62% | 39 | 33 | Township |
| Hinton | 13 | 1,116 | 1,056 | 0.63% | 31 | 36 | Township |
| Millbrook | 14 | 1,112 | 1,069 | 0.45% | 31 | 36 | Township |
| Morley | 15 | 535 | 511 | 0.75% | 598 | 1 | Village |
| Mecosta | 16 | 509 | 406 | 3.46% | 458 | 1 | Village |
| Paris | 17 | 473 | 490 | -0.63% | 13 | 36 | Township |
| Barryton | 18 | 416 | 401 | 0.73% | 435 | 1 | Village |
| Stanwood | 19 | 212 | 203 | 0.95% | 876 | 0 | Village |
Big Rapids is the largest city in Mecosta County, with a population of 8,666.
Stanwood is the smallest city in Mecosta County, with a population of 212.
There are 19 cities in Mecosta County, Michigan.