17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 80013 | Aurora | 74,732 |
| 80015 | Aurora | 72,155 |
| 80016 | Aurora | 66,479 |
| 80012 | Aurora | 51,389 |
| 80010 | Aurora | 42,010 |
| 80017 | Aurora | 39,553 |
| 80014 | Aurora | 39,277 |
| 80112 | Englewood | 36,687 |
| 80111 | Englewood | 31,817 |
| 80122 | Littleton | 31,575 |
| 80120 | Littleton | 29,992 |
| 80110 | Englewood | 23,775 |
| 80113 | Englewood | 22,619 |
| 80121 | Littleton | 17,929 |
| 80018 | Aurora | 17,129 |
| 80105 | Deer Trail | 2,023 |
| 80137 | Watkins | 2,015 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Arapahoe County, Colorado (US Census).