34 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 97206 | Portland | 49,890 |
| 97080 | Gresham | 48,411 |
| 97230 | Portland | 43,553 |
| 97202 | Portland | 43,533 |
| 97219 | Portland | 42,430 |
| 97030 | Gresham | 37,708 |
| 97236 | Portland | 37,558 |
| 97233 | Portland | 36,236 |
| 97266 | Portland | 35,423 |
| 97217 | Portland | 35,169 |
| 97211 | Portland | 33,769 |
| 97203 | Portland | 33,116 |
| 97213 | Portland | 31,408 |
| 97212 | Portland | 28,042 |
| 97214 | Portland | 27,714 |
| 97220 | Portland | 27,202 |
| 97209 | Portland | 22,296 |
| 97060 | Troutdale | 21,649 |
| 97239 | Portland | 17,804 |
| 97215 | Portland | 17,296 |
| 97201 | Portland | 16,887 |
| 97216 | Portland | 16,638 |
| 97232 | Portland | 15,615 |
| 97218 | Portland | 15,428 |
| 97221 | Portland | 12,915 |
| 97024 | Fairview | 12,007 |
| 97210 | Portland | 11,324 |
| 97205 | Portland | 9,121 |
| 97227 | Portland | 5,665 |
| 97231 | Portland | 4,308 |
| 97019 | Corbett | 3,233 |
| 97204 | Portland | 885 |
| 97208 | Portland | 0 |
| 97258 | Portland | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 34 ZCTAs in Multnomah County, Oregon (US Census).