Benton County, Oregon ZIP Codes

Zip Code
City
Population ↓
97330Corvallis43,878
97333Corvallis23,934
97370Philomath9,521
97331Corvallis3,693
97456Monroe3,422
97324Alsea1,470

Overview of ZIP Codes in Benton 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 Benton County, Oregon (US Census).

Sources

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

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