34 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 97206 | Portland | 50,258 |
| 97080 | Gresham | 47,548 |
| 97202 | Portland | 44,107 |
| 97219 | Portland | 43,111 |
| 97230 | Portland | 41,682 |
| 97030 | Gresham | 38,471 |
| 97236 | Portland | 37,864 |
| 97233 | Portland | 37,518 |
| 97266 | Portland | 35,992 |
| 97217 | Portland | 34,756 |
| 97211 | Portland | 33,713 |
| 97203 | Portland | 33,159 |
| 97213 | Portland | 31,238 |
| 97214 | Portland | 28,128 |
| 97220 | Portland | 27,810 |
| 97212 | Portland | 27,573 |
| 97060 | Troutdale | 21,788 |
| 97209 | Portland | 21,727 |
| 97239 | Portland | 18,224 |
| 97215 | Portland | 17,849 |
| 97201 | Portland | 17,229 |
| 97216 | Portland | 16,735 |
| 97232 | Portland | 15,152 |
| 97218 | Portland | 14,704 |
| 97221 | Portland | 13,118 |
| 97024 | Fairview | 11,702 |
| 97210 | Portland | 11,331 |
| 97205 | Portland | 9,232 |
| 97227 | Portland | 6,378 |
| 97231 | Portland | 4,304 |
| 97019 | Corbett | 3,332 |
| 97204 | Portland | 932 |
| 97208 | Portland | 0 |
| 97258 | Portland | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 34 ZCTAs in Multnomah County, Oregon (US Census).