| Official Zip Code Name | Rainier |
| Zip Code State | Oregon |
| Primary County: | Columbia |
| Area Code | 971/503 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 8 |
| Elevation Range | 819 ft. |
| Area | 97.844 Sqm. |
| Coordinates(Y,X) | 46.053228, -122.971330 |