99158 Frequently Asked Questions

A: ZIP Code 99158 is Located in Oakesdale Washington. Portions of 99158 are also in Belmont.

A: ZIP Code 99158 is Located Entirely in Whitman County Washington.

A: The Current Sales Tax in ZIP Code 99158 is 7.9%

A: The Area Code for 99158 is 509.

A: ZIP Code 99158 is in the Washington 5th Congressional District.

A: ZIP Code 99158 is in Washington State House of Representatives District 9.

A: ZIP Code 99158 is in Washington State Senate District 9.

A: The 2022 population of ZIP Code 99158 is 619. The population growth rate in 99158 is -7.36%. The population density of 99158 is 8.

A: The majority race/ethnicity of people residing in 99158 is White (96.80%). The majority race/ethnicity of students attending public schools in 99158 is White(91.50%).

A: The median household income in 99158 is $60,114 (2021) and the average adjusted income is $170,240 (2021).