General Information

The Benton County Jail is located at 7122 W Okanogan Place in Kennewick, Washington.  The jail services all law enforcement agencies in Benton County as well as outside agencies on a contractual basis.  We house an average daily population of 600 with capacity for over 800 inmates.  For more detailed information on the Benton County Corrections Department see our ‘About Us' page.

If you have concerns about the mental health of an inmate in our care,
please call 509-783-1451 ext 3385.


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