If available, see below for a list of known police frequencies for Detroit, Illinois. Or, navigate to another city or town within Pike County, to view the local police frequencies.
| Barry | Baylis | Detroit | El Dara | |
| Florence | Griggsville | Hull | Kinderhook | |
| Milton | Nebo | New Canton | New Salem | |
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| Pearl | Perry | Pittsfield | Pleasant Hill | |
| Time | Valley City | |||
Detect police activity and stay ticket-free in Detroit, Illinois with these police radar detectors.