30 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Pueblo | Pueblo County | 110,794 |
| Parker | Douglas County | 68,783 |
| Pueblo West | Pueblo County | 36,228 |
| Penrose | Fremont County | 4,069 |
| Ponderosa Park | Elbert County | 3,631 |
| Park Center | Fremont County | 3,131 |
| Platteville | Weld County | 2,876 |
| Palisade | Mesa County | 2,619 |
| Palmer Lake | El Paso County | 2,533 |
| Pagosa Springs | Archuleta County | 1,880 |
| Perry Park | Douglas County | 1,837 |
| Poncha Springs | Chaffee County | 1,568 |
| Paonia | Delta County | 1,470 |
| Parachute | Garfield County | 1,348 |
| Pierce | Weld County | 1,081 |
| Paragon Estates | Boulder County | 730 |
| Phippsburg | Routt County | 491 |
| Pine Valley | Clear Creek County | 481 |
| Placerville | San Miguel County | 414 |
| Pine Brook Hill | Boulder County | 385 |
| Peetz | Logan County | 199 |
| Portland | Ouray County | 113 |
| Pritchett | Baca County | 105 |
| Peyton | El Paso County | 90 |
| Pitkin | Gunnison County | 72 |
| Piedra | Archuleta County | 62 |
| Peoria | Adams County | 50 |
| Paoli | Phillips County | 49 |
| Parshall | Grand County | 42 |
| Padroni | Logan County | 28 |