Police Stations in Mount Vernon, IL

There are 2 police stations in Mount Vernon, Illinois. Addresses, contact info, and details below — from federal HIFLD, USFA & CMS data (2026).

Jefferson County Justice Center

Sheriff's Office
911 Casey Avenue, IL 62864
(618) 244-8004

Mount Vernon Police Department

Local Police Department
211 North 10th Street, IL 62864
(618) 242-2131

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