9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 81212 | Canon City | 32,355 |
| 81226 | Florence | 7,933 |
| 81240 | Penrose | 4,533 |
| 81223 | Cotopaxi | 2,175 |
| 81233 | Howard | 1,159 |
| 81244 | Rockvale | 659 |
| 81221 | Coal Creek | 360 |
| 81222 | Coaldale | 276 |
| 81232 | Hillside | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Fremont County, Colorado (US Census).