| Official Zip Code Name | Butler |
| Zip Code State | Wisconsin |
| Primary County: | Waukesha |
| Area Code | 262/414/920 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 757 ft. |
| Area | 0.769 Sqm. |
| Coordinates(Y,X) | 43.107924, -88.071390 |