Polk County, Oregon ZIP Codes

6 ZIP Codes

Zip Code
City
Population ↓
97304Salem34,879
97338Dallas23,419
97361Monmouth14,488
97351Independence11,454
97344Falls City1,534
97371Rickreall694

Overview of ZIP Codes in Polk 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Polk County, Oregon (US Census).

Sources

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

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