29 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Pueblo | Pueblo County | 110,529 |
| Parker | Douglas County | 65,319 |
| Pueblo West | Pueblo County | 35,512 |
| Penrose | Fremont County | 3,980 |
| Ponderosa Park | Elbert County | 3,663 |
| Park Center | Fremont County | 2,984 |
| Platteville | Weld County | 2,858 |
| Palisade | Mesa County | 2,624 |
| Palmer Lake | El Paso County | 2,537 |
| Pagosa Springs | Archuleta County | 1,877 |
| Perry Park | Douglas County | 1,728 |
| Poncha Springs | Chaffee County | 1,525 |
| Paonia | Delta County | 1,464 |
| Parachute | Garfield County | 1,344 |
| Pierce | Weld County | 1,068 |
| Paragon Estates | Boulder County | 839 |
| Pine Valley | Clear Creek County | 658 |
| Placerville | San Miguel County | 434 |
| Phippsburg | Routt County | 431 |
| Pine Brook Hill | Boulder County | 406 |
| Peetz | Logan County | 200 |
| Portland | Ouray County | 114 |
| Pritchett | Baca County | 104 |
| Pitkin | Gunnison County | 73 |
| Parshall | Grand County | 66 |
| Peoria | Adams County | 52 |
| Piedra | Archuleta County | 50 |
| Paoli | Phillips County | 47 |
| Padroni | Logan County | 41 |