| Official Zip Code Name | Winchester |
| Zip Code State | Idaho |
| Primary County: | Lewis |
| Area Code | 208/986 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 8 |
| Elevation Range | 4009 ft. |
| Area | 182.469 Sqm. |
| Coordinates(Y,X) | 46.226220, -116.617955 |