12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| California | 1 | 4,528 | 4,499 | 0.13% | 1,172 | 4 | City |
| California | 2 | 4,528 | 4,498 | 0.13% | 1,172 | 4 | City |
| Tipton | 3 | 2,643 | 2,926 | -0.19% | 1,264 | 2 | City |
| Tipton | 4 | 2,643 | 2,668 | -0.19% | 1,264 | 2 | City |
| Jamestown | 5 | 331 | 328 | 0% | 331 | 1 | Town |
| Jamestown | 6 | 331 | 328 | 0% | 331 | 1 | Town |
| Clarksburg | 7 | 257 | 252 | 0.39% | 445 | 1 | City |
| Clarksburg | 8 | 257 | 252 | 0.39% | 445 | 1 | City |
| Latham | 9 | 79 | 51 | 6.76% | 205 | 0 | CDP |
| Fortuna | 10 | 71 | 157 | 7.58% | 359 | 0 | CDP |
| Lupus | 11 | 31 | 31 | 0% | 168 | 0 | Town |
| Lupus | 12 | 31 | 31 | 0% | 168 | 0 | Town |
California is the largest city in Moniteau County, with a population of 4,528.
Lupus is the smallest city in Moniteau County, with a population of 31.
There are 12 cities in Moniteau County, Missouri.