There are 7 zip codes in Monroe County, Wisconsin. The most populated is 54656, located in Sparta. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5465618,008Sparta
5466016,005Tomah
546193,893Cashton
546662,782Warrens
546701,934Wilton
546481,730Norwalk
546381,435Kendall
showing: 7 rows

Zip Codes in Monroe County, Wisconsin by Population (2024)