Benton County, Washington
Benton County is a county in the south-central portion of the U.S. state of Washington. As of the 2020 census, its population was 206,873. The county seat is Prosser, and its most populous city is Kennewick. The Columbia River demarcates the county's north, south, and east boundaries.
Benton County Courthouse
Seal
Kiona Vineyard in the Red Mountain AVA looking northwest toward Rattlesnake Mountain. Two varieties of grapes are evident on a crisp autumn day.
Prosser is a city in and the county seat of Benton County, Washington, United States. Situated along the Yakima River, it had a population of 6,062 at the 2020 census.
Benton County court house in Prosser