Prosser, WA

- Elevation
- 664 ft
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Prosser in context.
About Prosser
Prosser is a city and the county seat of Benton County, Washington, situated along the Yakima River at the eastern end of the Yakima Valley. Historically home to local tribes, the community of approximately 6,305 is part of the Yakima Valley wine-growing region. Public education is provided by the Prosser School District.
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