| Official Zip Code Name | Grass Valley |
| Zip Code State | Oregon |
| Primary County: | Sherman |
| Area Code | 541 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 8 |
| Elevation Range | 2408 ft. |
| Area | 272.103 Sqm. |
| Coordinates(Y,X) | 45.301200, -120.798539 |