Washington County Maps
Find Washington county and township maps.
Benton County, Washington
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Benton County, Washington Map
An detailed map of Benton County. Click on a nearby County to view more information about that County.
Map of Counties in Washington
An interactive map of Counties in Washington. Click on a County to view more information about that County.
About Benton County, Washington
Benton County is a county in the south-central portion of the U.S. state of Washington. As of the 2020 census, its population was 206,873. The county seat is Prosser, and its most populous city is Kennewick. The Columbia River demarcates the county's north, south, and east boundaries.
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This site has an interactive map of Washington Counties. Click on the map to find your Washington county, and view more details. You can also search for your address and use your GPS to find your Washington County.
Find what County you are in, and see official Washington County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.