99403 Frequently Asked Questions

A: ZIP Code 99403 is Located in Clarkston Washington. Portions of 99403 are also in Clarkston Heights-Vineland, West Clarkston-Highland, Asotin.

A: ZIP Code 99403 is Located Primarily in Asotin County Washington with Portions in Garfield County.

A: The Current Sales Tax in ZIP Code 99403 is 8.2%

A: The Area Code for 99403 is 509.

A: ZIP Code 99403 is in the Washington 5th Congressional District.

A: ZIP Code 99403 is in Washington State House of Representatives District 9.

A: ZIP Code 99403 is in Washington State Senate District 9.

A: The 2022 population of ZIP Code 99403 is 20425. The population growth rate in 99403 is 0.38%.

A: The majority race/ethnicity of people residing in 99403 is White (91.82%). The majority race/ethnicity of students attending public schools in 99403 is White(82.06%).

A: The median household income in 99403 is $56,872 (2021) and the average adjusted income is $450,240 (2021).