Monroe County, Wisconsin ZIP Codes

Zip Code
City
Population ↓
54656Sparta18,160
54660Tomah16,124
54619Cashton3,849
54666Warrens2,635
54670Wilton2,048
54648Norwalk1,608
54638Kendall1,513

Overview of ZIP Codes in Monroe County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Monroe County, Wisconsin (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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