Washburn County, Wisconsin ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
54801Spooner6,266
54871Shell Lake3,270
54817Birchwood2,264
54859Minong2,242
54870Sarona1,698
54888Trego1,381
54875Springbrook1,335

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

Sources

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

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