17 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 80013 | Aurora | 73,248 |
| 80015 | Aurora | 72,316 |
| 80016 | Aurora | 68,268 |
| 80012 | Aurora | 51,052 |
| 80010 | Aurora | 42,439 |
| 80017 | Aurora | 40,584 |
| 80014 | Aurora | 39,496 |
| 80112 | Englewood | 36,816 |
| 80122 | Littleton | 32,195 |
| 80111 | Englewood | 31,561 |
| 80120 | Littleton | 29,725 |
| 80110 | Englewood | 23,825 |
| 80113 | Englewood | 22,976 |
| 80018 | Aurora | 19,072 |
| 80121 | Littleton | 18,029 |
| 80105 | Deer Trail | 2,182 |
| 80137 | Watkins | 1,689 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 17 ZCTAs in Arapahoe County, Colorado (US Census).