Ritzville is a city in Adams County, Washington, United States. The population was 1,767 at the 2020 census. It is the county seat of Adams County. The city is part of the Othello, WA Micropolitan Area, which comprises all of Adams County, and is part of the larger Moses Lake-Othello, WA Combined Statistical Area.

U.S. Route 395, also known as U.S. Highway 395, is a north–south United States Numbered Highway that traverses the inland areas of the western states of California, Nevada, Oregon, and Washington. It travels for over 1,300 miles (2,100 km) from a junction in the Mojave Desert at Interstate 15 (I-15) in Hesperia to the Canada–U.S. border near Laurier, Washington. Major cities along its route include Carson City and Reno in Nevada; Kennewick and Pasco in Washington's Tri-Cities region; and Spokane, Washington. US 395 is an auxiliary route of US 95 but never intersects its parent route, which runs further east.