If available, see below for a list of known police frequencies for Johnsonville, Illinois. Or, navigate to another city or town within Wayne County, to view the local police frequencies.
| Cisne | Fairfield | Golden Gate | Jeffersonville | |
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| Johnsonville | Keenes | Mount Erie | Sims | |
| Wayne City | ||||
Detect police activity and stay ticket-free in Johnsonville, Illinois with these police radar detectors.