98038 Frequently Asked Questions

A: ZIP Code 98038 is Located in Maple Valley Washington. Portions of 98038 are also in Hobart, East Renton Highlands, Mirrormont, Shadow Lake.

A: ZIP Code 98038 is Located Entirely in King County Washington.

A: The Current Sales Tax in ZIP Code 98038 is 8.8%

A: The Area Codes for 98038 are 253, 360, 425 and 564

A: ZIP Code 98038 is in the Washington 8th Congressional District.

A: 98038 is within Washington State House of Representatives District 5 and Washington State House of Representatives District 47.

A: 98038 is within Washington State Senate District 5 and Washington State Senate District 47.

A: The 2022 population of ZIP Code 98038 is 37877. The population growth rate in 98038 is 7.11%.

A: The majority race/ethnicity of people residing in 98038 is White (84.01%). The majority race/ethnicity of students attending public schools in 98038 is White(67.40%).

A: The median household income in 98038 is $124,164 (2021) and the average adjusted income is $119,240 (2020).