City of Prosser

Prosser, dubbed the birthplace of the Washington wine industry, is located at the far western corner of Benton County just 35 miles from the Tri-Cities. Prosser serves as the county seat and has a population of over 5,100.

The local economy centers around agriculture – concord and wine grapes, apples, cherries, hops, asparagus, corn, wheat – and related processing plants.

Dubbed the birthplace of the Washington wine industry

The area is bordered on the north by the Rattlesnake Hills and on the south by the Horse Heaven Hills with the Yakima River running through.

Prosser boasts 300 sunny days annually, lending to a wide range of outdoor activities such as hunting, fishing, camping, hiking, boating, and golf. Prosser offers a “small town” quality of life with easy access to major shopping, medical care, and other amenities.

For more information on Prosser, visit