Law Enforcement Agencies in Wilmington, DE DE › New Castle County Agencies serving the city of Wilmington in DE. Agency Types in Wilmington Adult Institutions 2 agencies Campus Police 1 agencies Child Support 1 agencies Coroners 1 agencies County Jails 1 agencies Federal 3 agencies Harbor Police 1 agencies Municipal Police 1 agencies Parole Probation 2 agencies Probation Pretrial 1 agencies Railroad Police 1 agencies Sheriff 1 agencies State Agency 1 agencies State Police 2 agencies Youth Institutions 5 agencies All Agencies in Wilmington, DE AMTRAK Natl RR Passenger Corp New Castle County Board of Parole New Castle County Bureau of ATF New Castle County DE State Medical Examiner Office New Castle County Delaware State Police New Castle County Delaware State Police New Castle County Ferris School New Castle County Grace Cottage New Castle County Howard R Young Correctional Inst New Castle County Howard R Young Correctional Inst New Castle County Mowlds Cottage New Castle County New Castle County Detention Center New Castle County New Castle County Sheriffs Office New Castle County Office of Child Support Enforcement New Castle County Plummer Community Correction Center New Castle County Port of Wilmington New Castle County Probation-Aftercare Services New Castle County Snowden Cottage New Castle County US Marshals Service New Castle County US Probation & Pretrial Services Office New Castle County US Secret Service New Castle County Widener University New Castle County Wilmington Police Department New Castle County Youth Rehabilitative Services New Castle County
