99115 Frequently Asked Questions

A: ZIP Code 99115 is Located in Coulee City Washington. Portions of 99115 are also in Banks Lake South.

A: ZIP Code 99115 is Located Primarily in Douglas County Washington with Portions in Grant County.

A: The Current Sales Tax in ZIP Code 99115 is 8.2%

A: The Area Code for 99115 is 509.

A: ZIP Code 99115 is in the Washington 4th Congressional District.

A: ZIP Code 99115 is in Washington State House of Representatives District 7.

A: ZIP Code 99115 is in Washington State Senate District 7.

A: The 2022 population of ZIP Code 99115 is 1224. The population growth rate in 99115 is -3.00%. The population density of 99115 is 4.

A: The majority race/ethnicity of people residing in 99115 is White (94.02%). The majority race/ethnicity of students attending public schools in 99115 is White(92.22%).

A: The median household income in 99115 is $48,333 (2021) and the average adjusted income is $465,000 (2021).