Kittitas County, Washington ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
98926Ellensburg34,353
98922Cle Elum7,688
98941Roslyn1,076
98940Ronald858
98925Easton850
98934Kittitas775
98943South Cle Elum579
98068Snoqualmie Pass482
98946Thorp398
98950Vantage61

Overview of ZIP Codes in Kittitas 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 Kittitas County, Washington (US Census).

Sources

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

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