Online Mapping & Downloads
 Web Mapping

GIS Web Map

Road Department Web Map

Election Department

Benton County General Election 2016 Results

Benton County Planning - Zoning and Land Use Maps

Benton County Soils and Contours


Data Downloads

Please visit our Place Order page to request Parcel and Assessment data.

Projection: Washington State Plane South Zone

Horizontal Datum: NAD83 HARN

Vertical Datum: NAVD88

Units: US Survey Feet



Download Google Earth to view KML files.


Standard Maps

View or download PDF maps.












      Benton County    620 Market Street    Prosser, Washington 99350
      Phone: (509) 786-5710 or (509) 783-1310
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