Benton County Address Data

  • State: Washington
  • County: Benton County
  • County Seat: Prosser
  • FIPS: 53005
  • Founded in: 1905
  • Population: 201,877
  • Density: 118 Persons/Square Mile
  • Area: 1,699 Square Miles
  • Government Type: County
  • Authority: Dillon's Rule
  • Legislative Body: Board of Commissioners
  • Legislative Body Size: 3
  • County Contact: 620 Market Street
    Prosser, WA
  • County site: http://www.co.benton.wa.us
  • Labor Force: 99,084
  • Unemployment Rate: 5.20%
  • Gross Domestic Product (GDP): $10.4 B

Top Cities in Benton County

Major Cities (population)

Neighbor Counties

  • Morrow County
  • Umatilla County
  • Franklin County
  • Grant County
  • Klickitat County
  • Walla Walla County
  • Yakima County
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