Asotin County, Washington

Asotin County /əˈsoʊtən/ is a county located in the U.S. state of Washington. As of the 2010 census, the population was 21,623. The county seat is at Asotin, and its largest city is Clarkston. The county was created out of Garfield County on October 27, 1883 and derives its name from a Nez Perce word meaning "Eel Creek".

Asotin County is part of the Lewiston, ID-WA Metropolitan Statistical Area, which includes all of both Nez Perce County, Idaho, and Asotin County.

Geography

According to the U.S. Census Bureau, the county has a total area of 641 square miles (1,660 km²), of which 636 square miles (1,650 km²) is land and 4.4 square miles (11 km²) (0.7%) is water. It is the fifth-smallest county in Washington by total area. It is part of the Palouse, a wide and rolling prairie-like region of the middle Columbia basin.

Geographic features

Major highways

U.S. Route 12

Adjacent counties