21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mills township | 1 | 4,056 | 3,975 | 0.4% | 119 | 34.23 | Township |
| West Branch township | 2 | 2,623 | 2,577 | 0.34% | 77 | 34.01 | Township |
| West Branch | 3 | 2,364 | 2,348 | 0.13% | 1,536 | 1.54 | City |
| South Branch township | 4 | 1,817 | 1,642 | 2.14% | 17 | 104.83 | Township |
| West Branch township | 5 | 1,732 | 1,699 | 0.35% | 49 | 35.48 | Township |
| Churchill township | 6 | 1,567 | 1,545 | 0.26% | 44 | 35.53 | Township |
| Edwards township | 7 | 1,385 | 1,365 | 0.29% | 40 | 34.94 | Township |
| Hill township | 8 | 1,268 | 1,252 | 0.24% | 39 | 32.54 | Township |
| Rose township | 9 | 1,263 | 1,238 | 0.48% | 24 | 52.85 | Township |
| Ogemaw township | 10 | 1,171 | 1,156 | 0.26% | 32 | 36.25 | Township |
| Foster township | 11 | 802 | 784 | 0.5% | 9 | 89.25 | Township |
| Cumming township | 12 | 735 | 720 | 0.41% | 21 | 34.49 | Township |
| Logan township | 13 | 601 | 590 | 0.33% | 17 | 35.23 | Township |
| Rose City | 14 | 582 | 574 | 0.34% | 540 | 1.08 | City |
| Klacking township | 15 | 582 | 571 | 0.34% | 16 | 35.89 | Township |
| West Branch township | 16 | 462 | 449 | 0.43% | 13 | 35.55 | Township |
| Goodar township | 17 | 358 | 352 | 0.28% | 10 | 35.45 | Township |
| South Branch township | 18 | 351 | 345 | 0.29% | 10 | 36.02 | Township |
| Lupton | 19 | 259 | 299 | -2.26% | 80 | 3.23 | CDP |
| Prescott | 20 | 230 | 225 | 0.44% | 207 | 1.11 | Village |
| West Branch township | 21 | 57 | 57 | 0% | 1 | 108.24 | Township |
Mills township is the largest city in Ogemaw County, with a population of 4,056.
West Branch township is the smallest city in Ogemaw County.
There are 21 cities in Ogemaw County, Michigan.