Zip Code | City | Population |
|---|---|---|
| 80013 | Aurora | 73,870 |
| 80015 | Aurora | 72,841 |
| 80016 | Aurora | 64,842 |
| 80012 | Aurora | 52,741 |
| 80010 | Aurora | 42,892 |
| 80017 | Aurora | 40,299 |
| 80014 | Aurora | 39,024 |
| 80112 | Englewood | 36,058 |
| 80111 | Englewood | 32,116 |
| 80122 | Littleton | 31,650 |
| 80120 | Littleton | 30,421 |
| 80110 | Englewood | 24,190 |
| 80113 | Englewood | 22,784 |
| 80121 | Littleton | 18,049 |
| 80018 | Aurora | 15,569 |
| 80137 | Watkins | 1,944 |
| 80105 | Deer Trail | 1,823 |