Spokane County is a county located in the U.S. state of Washington. As of the 2020 census, its population was 539,339, making it the fourth-most populous county in Washington. The largest city and county seat is Spokane, the second largest city in... Wikipedia
Cities: Spokane, Spokane Valley, Airway Heights, and more
Population: 549,690 (2022)
Congressional district: 5th
Demonym: Spokanite
Seat: Spokane