Bayfield County, Wisconsin ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
54891Washburn3,297
54814Bayfield2,762
54847Iron River2,607
54856Mason1,628
54821Cable1,625
54865Port Wing517
54832Drummond453
54839Grand View342
54827Cornucopia300
54844Herbster243

Overview of ZIP Codes in Bayfield 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.
10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Bayfield County, Wisconsin (US Census).

Sources

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

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