IdahoLincoln County, WashingtonPend Oreille County, WashingtonStevens County, WashingtonWhitman County, Washingtoneastbound on Interstate 90
- Spokane County — Thumbnail History (historylink.org)
Spokane County is the most populous county in mainly rural Eastern Washington and home to the second largest city in the state. After settlement in the 1870s, Spokane became the hub for the mining, timber, and railroad industries of the Inland Northwest…
westbound on interstate 90
- Spokane County, Washington (Wikipedia)
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 the state after Seattle. The county is named after the Spokane tribe.