If available, see below for a list of known police frequencies for Junction City, Illinois. Or, navigate to another city or town within Marion County, to view the local police frequencies.
| Alma | Central City | Iuka | Junction City | |
| Kell | Kinmundy | Odin | Patoka | |
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| Salem | Sandoval | Vernon | Walnut Hill | |
Detect police activity and stay ticket-free in Junction City, Illinois with these police radar detectors.