There are 14 zip codes in Grant County, Washington. The most populated is 98837, located in Moses Lake. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
9883746,959Moses Lake
9884812,959Quincy
9882312,638Ephrata
993497,531Mattawa
988515,196Soap Lake
993573,973Royal City
988573,545Warden
99123852Electric City
99321851Beverly
99135452Hartline
98824231George
98860229Wilson Creek
98832153Marlin
988530Stratford

Zip Codes in Grant County, Washington by Population (2024)