There are 10 zip codes in Kittitas County, Washington. The most populated is 98926, located in Ellensburg. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
9892632,327Ellensburg
989227,577Cle Elum
989341,033Kittitas
98941827Roslyn
98943715South Cle Elum
98925533Easton
98068528Snoqualmie Pass
98940409Ronald
98946363Thorp
9895054Vantage

Zip Codes in Kittitas County, Washington by Population (2024)