Waukesha County, located in the state of Wisconsin, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Waukesha County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
53186
53018
53069
53029
53066
53072
53052
53122
53185
53149
53183
53153
53045
53132
53007
53008
53118
53017
53046
53058
53036
53127
53228
53151
53188
53056
53089
53225
53150
53005
53022
53064
53103
53119
53146
53051
53227
53189
53187

To know more about Waukesha County, click the button below:

Waukesha County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Waukesha County County?

There are approximately 39 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Waukesha County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.