| Official Zip Code Name | Walnut Grove |
| Zip Code State | California |
| Primary County: | Sacramento |
| Area Code | 916/209/279 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 8 |
| Elevation Range | -2 ft. |
| Area | 51.594 Sqm. |
| Coordinates(Y,X) | 38.233596, -121.548819 |