Police Stations in Waterloo, IL

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

Monroe County Sheriffs Office

Sheriff's Office
225 East Third Street, IL 62298
(618) 939-6464

Waterloo Police Department

Local Police Department
301 South Main Street, IL 62298
(618) 939-3377

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