There are 14 zip codes in Thurston County, Washington. The most populated is 98501, located in Olympia. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
9850146,796Olympia
9850342,263Lacey
9851336,988Olympia
9850235,551Olympia
9851230,784Olympia
9851627,212Olympia
9859725,982Yelm
9850618,968Olympia
9857914,259Rochester
985897,448Tenino
985765,099Rainier
98530558Bucoda
98556448Littlerock
98505403Olympia

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