Richland County, Wisconsin ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
53581Richland Center10,176
53556Lone Rock2,428
54664Viola1,571
53518Blue River1,489
53924Cazenovia1,346
53540Gotham112
53584Sextonville7

Overview of ZIP Codes in Richland 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 Richland County, Wisconsin (US Census).

Sources

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

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