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

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County Seat: Prosser
County Organized: 1905
Square Miles: 1,700.38
Size of Board: 3
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  • Places in Benton County
  • Census Bureau Quick Facts
  • Census Bureau Data Sets
  • FEDSTATS
  • Elected County Officials
    Name 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

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