Walworth County Wisconsin is covered by a total of 18 ZIP Codes. There are 8 ZIP Codes in Walworth County that extend into adjacent counties (Jefferson County, Kenosha County, Racine County, Rock County, and Waukesha County). Of the ZIP codes within or partially within Walworth County there are 14 Standard ZIP Codes and 4 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Walworth County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Burlington | Standard | |||
| Darien | Standard | |||
| Delavan | Standard | |||
| East Troy | Standard | |||
| Elkhorn | Standard | |||
| Fontana | Standard | |||
| Genoa City | Standard | |||
| Lake Geneva | Standard | |||
| Lyons | PO Box | |||
| Mukwonago | Standard | |||
| Pell Lake | PO Box | |||
| Springfield | PO Box | |||
| Walworth | Standard | |||
| Whitewater | Standard | |||
| Williams Bay | Standard | |||
| Zenda | PO Box | |||
| Clinton | Standard | |||
| Sharon | Standard |