24 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 97045 | Oregon City | 57,526 |
| 97222 | Portland | 36,398 |
| 97086 | Happy Valley | 34,567 |
| 97267 | Portland | 31,311 |
| 97068 | West Linn | 30,161 |
| 97070 | Wilsonville | 26,902 |
| 97035 | Lake Oswego | 25,911 |
| 97015 | Clackamas | 24,433 |
| 97013 | Canby | 24,293 |
| 97034 | Lake Oswego | 21,331 |
| 97055 | Sandy | 19,786 |
| 97038 | Molalla | 16,440 |
| 97089 | Damascus | 15,101 |
| 97027 | Gladstone | 12,347 |
| 97023 | Estacada | 12,111 |
| 97009 | Boring | 8,336 |
| 97004 | Beavercreek | 4,496 |
| 97017 | Colton | 3,427 |
| 97042 | Mulino | 3,361 |
| 97022 | Eagle Creek | 3,319 |
| 97067 | Welches | 2,125 |
| 97049 | Rhododendron | 1,896 |
| 97011 | Brightwood | 620 |
| 97028 | Government Camp | 230 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 24 ZCTAs in Clackamas County, Oregon (US Census).