8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fulton | 1 | 12,563 | 12,611 | -0.08% | 1,019 | 12 | City |
| Holts Summit | 2 | 4,770 | 4,487 | 1.19% | 1,287 | 4 | City |
| Wardsville | 3 | 1,672 | 1,615 | 0.66% | 482 | 3 | Village |
| Taos | 4 | 1,182 | 1,144 | 0.6% | 184 | 6 | City |
| Auxvasse | 5 | 1,027 | 1,005 | 0.39% | 1,360 | 1 | City |
| New Bloomfield | 6 | 758 | 686 | 1.88% | 479 | 2 | City |
| Mokane | 7 | 187 | 186 | 0% | 638 | 0 | City |
| Kingdom City | 8 | 136 | 131 | 0.74% | 70 | 2 | Village |
Fulton is the largest city in Callaway County, with a population of 12,563.
Kingdom City is the smallest city in Callaway County, with a population of 136.
There are 8 cities in Callaway County, Missouri.