Benton County, WA

620 Market Street
Prosser, WA 99350
Phone: (509)786-5600
Website: http://www.co.benton.wa.us

NACo Member County

County Populations
  1980     1990     2000     2010  
 108,674  112,560  142,475  175,177

County Seat:     Prosser
Year Organized: 1905
Square Miles:     1,700.38
Size of Board:    3
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Places in Benton County
Census Bureau Quick Facts

Elected Officials Position
James Beaver Commissioner, Chair, District 3
Jerome Delvin Commissioner, District 1
Shon Small Commissioner, District 2
Andrew Miller Prosecuting Attorney
John Hansens Coroner
Steve Keane Sheriff
Duane Davidson County Treasurer
Brenda Chilton Auditor
Barbara Wagner County Assessor
Josie Delvin Clerk