32 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Caro | 1 | 4,233 | 4,319 | -0.33% | 1,438 | 3 | City |
| Millington | 2 | 4,163 | 4,235 | -0.22% | 117 | 36 | Township |
| Vassar | 3 | 3,868 | 3,883 | -0.03% | 110 | 35 | Township |
| Elkland | 4 | 3,474 | 3,531 | -0.2% | 99 | 35 | Township |
| Arbela | 5 | 2,752 | 2,807 | -0.33% | 82 | 33 | Township |
| Denmark | 6 | 2,697 | 2,748 | -0.26% | 76 | 35 | Township |
| Vassar | 7 | 2,674 | 2,727 | -0.34% | 1,245 | 2 | City |
| Cass City | 8 | 2,470 | 2,512 | -0.28% | 1,399 | 2 | Village |
| Indianfields | 9 | 2,450 | 2,474 | -0.16% | 78 | 31 | Township |
| Watertown | 10 | 2,066 | 2,095 | -0.24% | 64 | 33 | Township |
| Almer | 11 | 1,981 | 1,987 | 0% | 59 | 34 | Township |
| Tuscola | 12 | 1,924 | 1,977 | -0.47% | 59 | 33 | Township |
| Dayton | 13 | 1,895 | 1,922 | -0.21% | 53 | 36 | Township |
| Juniata | 14 | 1,549 | 1,560 | -0.06% | 44 | 35 | Township |
| Fairgrove | 15 | 1,527 | 1,552 | -0.13% | 43 | 35 | Township |
| Koylton | 16 | 1,465 | 1,481 | -0.2% | 42 | 35 | Township |
| Kingston | 17 | 1,446 | 1,475 | -0.34% | 41 | 35 | Township |
| Novesta | 18 | 1,425 | 1,442 | -0.21% | 40 | 35 | Township |
| Akron | 19 | 1,350 | 1,375 | -0.22% | 26 | 53 | Township |
| Ellington | 20 | 1,317 | 1,331 | -0.08% | 37 | 35 | Township |
| Reese | 21 | 1,251 | 1,280 | -0.4% | 926 | 1 | Village |
| Columbia | 22 | 1,203 | 1,229 | -0.25% | 33 | 36 | Township |
| Elmwood | 23 | 1,047 | 1,062 | -0.1% | 30 | 35 | Township |
| Millington | 24 | 1,006 | 1,029 | -0.4% | 739 | 1 | Village |
| Mayville | 25 | 898 | 921 | -0.44% | 834 | 1 | Village |
| Gilford | 26 | 721 | 740 | -0.41% | 21 | 35 | Township |
| Wisner | 27 | 592 | 604 | -0.34% | 31 | 19 | Township |
| Fairgrove | 28 | 518 | 532 | -0.38% | 462 | 1 | Village |
| Unionville | 29 | 480 | 492 | -0.41% | 511 | 1 | Village |
| Kingston | 30 | 389 | 400 | -0.51% | 382 | 1 | Village |
| Akron | 31 | 365 | 374 | -0.27% | 387 | 1 | Village |
| Gagetown | 32 | 315 | 323 | -0.32% | 321 | 1 | Village |
Caro is the largest city in Tuscola County, with a population of 4,233.
Gagetown is the smallest city in Tuscola County, with a population of 315.
There are 32 cities in Tuscola County, Michigan.