Law Enforcement Agencies in Kennewick, WA WA › Benton County Agencies serving the city of Kennewick in WA. Agency Types in Kennewick Adult Institutions 1 agencies Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Kennewick, WA Benton County Coroners Office Benton County Benton County Jail Benton County Benton County Sheriffs Department Benton County Kennewick Police Department Benton County Tri-Cities Work Release Benton County
