If available, see below for a list of known police frequencies for Monroe County in Michigan. Or, navigate to your city or town to view your local city and/or police frequencies within Monroe County, Michigan.
| Azalia | Carleton | Dundee | Erie | |
| Estral Beach | Ida | La Salle | Lambertville | |
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| Luna Pier | Maybee | Monroe | Newport | |
| Ottawa Lake | Petersburg | Samaria | South Rockwood | |
| Temperance | ||||
Detect police activity and stay ticket-free in Monroe County with these police radar detectors.