13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Gladwin | 1 | 3,149 | 3,068 | 0.51% | 1,095 | 2.88 | City |
| Tobacco township | 2 | 2,548 | 2,448 | 0.95% | 76 | 33.70 | Township |
| Sage township | 3 | 2,517 | 2,431 | 0.88% | 74 | 34.23 | Township |
| Billings township | 4 | 2,396 | 2,315 | 0.84% | 111 | 21.56 | Township |
| Butman township | 5 | 2,151 | 2,081 | 0.84% | 63 | 34.01 | Township |
| Grout township | 6 | 2,040 | 1,974 | 0.79% | 60 | 34.19 | Township |
| Beaverton township | 7 | 1,945 | 1,867 | 0.99% | 56 | 35.03 | Township |
| Buckeye township | 8 | 1,432 | 1,362 | 1.2% | 42 | 34.17 | Township |
| Hay township | 9 | 1,332 | 1,277 | 0.99% | 62 | 21.45 | Township |
| Beaverton | 10 | 1,181 | 1,153 | 0.51% | 1,109 | 1.06 | City |
| Gladwin township | 11 | 1,162 | 1,120 | 0.87% | 33 | 35.22 | Township |
| Secord township | 12 | 1,085 | 1,045 | 0.93% | 49 | 22.03 | Township |
| Sherman township | 13 | 1,038 | 1,006 | 0.78% | 30 | 34.87 | Township |
Gladwin is the largest city in Gladwin County, with a population of 3,149.
Sherman township is the smallest city in Gladwin County.
There are 13 cities in Gladwin County, Michigan.