Law Enforcement Agencies in Seneca, KS KS › Nemaha County Agencies serving the city of Seneca in KS. Agency Types in Seneca County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Seneca, KS Nemaha County Jail Nemaha County Nemaha County Sheriffs Office Nemaha County Seneca Police Department Nemaha County
