Zip Codes in Portage County, Wisconsin

Portage 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 Portage County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
54482
54407
54455
54473
54423
54492
54475
54966
54443
54945
54984
54481
54921
54458
54406
54454
54494
54467
54909
54981
54499
54977

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Portage County Information

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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 Portage County County?

There are approximately 22 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Portage 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.