99031 Frequently Asked Questions

A: ZIP Code 99031 is Located in Spangle Washington.

A: ZIP Code 99031 is Located Entirely in Spokane County Washington.

A: The Current Sales Tax in ZIP Code 99031 is 8.1%

A: The Area Code for 99031 is 509.

A: ZIP Code 99031 is in the Washington 5th Congressional District.

A: ZIP Code 99031 is in Washington State House of Representatives District 9.

A: ZIP Code 99031 is in Washington State Senate District 9.

A: The 2022 population of ZIP Code 99031 is 1110. The population growth rate in 99031 is 10.15%. The population density of 99031 is 14.

A: The majority race/ethnicity of people residing in 99031 is White (97.71%). The majority race/ethnicity of students attending public schools in 99031 is White(86.71%).

A: The median household income in 99031 is $87,014 (2021) and the average adjusted income is $380,500 (2021).