ZIP Code
ZIP Code 99403
Clarkston, Asotin County, Washington WA
Population
20,760
Density
55.9/sq mi
Timezone
America/Los_Angeles
Safety Score
50
50
Average
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Overview
ZIP code 99403 is located in Clarkston, Asotin County, Washington. The area has a population of approximately 20,760 residents with a population density of 55.9 per square mile. It is in the America/Los_Angeles timezone.