Clarkston Washington About
Clarkston Washington has a zip code of 99403. The current date and time in Clarkston is November 9, 2026, 4:48 am and it has a population of 18,621 people. Clarkston Washington lies at an elevation of 770 feet.
Clarkston Washington has a zip code of 99403. The current date and time in Clarkston is November 9, 2026, 4:48 am and it has a population of 18,621 people. Clarkston Washington lies at an elevation of 770 feet.
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