| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| California | 1 | 4,530 | 4,500 | 0.15% | 1,172 | 4 | City |
| Tipton | 2 | 2,786 | 2,674 | 0.72% | 1,332 | 2 | City |
| Jamestown | 3 | 332 | 329 | 0% | 332 | 1 | Town |
| Clarksburg | 4 | 258 | 252 | 0.39% | 447 | 1 | City |
| Lupus | 5 | 31 | 31 | 0% | 168 | 0 | Town |
California is the largest city in Moniteau County, with a population of 4,530.
Lupus is the smallest city in Moniteau County, with a population of 31.
There are 5 cities in Moniteau County, Missouri.