Law Enforcement Agencies in Evanston, WY WY › Uinta County Agencies serving the city of Evanston in WY. Agency Types in Evanston Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Evanston, WY Evanston Police Department Uinta County Uinta County Coroners Office Uinta County Uinta County Jail Uinta County Uinta County Sheriffs Office Uinta County