Police Stations in Mount Vernon, OH

There are 3 police stations in Mount Vernon, Ohio. Addresses, contact info, and details below — from federal HIFLD, USFA & CMS data (2026).

Knox County Sheriffs Office / Knox County Jail

Sheriff's Office
11540 Upper Gilchrist Road, OH 43050
(740) 397-3333

Mount Vernon Developmental Center

Local Police Department
1250 Vernonview Drive, OH 43050
(740) 393-6225

Mount Vernon Police Department

Local Police Department
5 North Gay Street, OH 43050
(740) 393-9530

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