If available, see below for a list of known police frequencies for Matherville, Illinois. Or, navigate to another city or town within Mercer County, to view the local police frequencies.
| Aledo | Joy | Keithsburg | Matherville | |
| New Boston | New Windsor | North Henderson | Seaton | |
|
| ||||
| Sherrard | Viola | Windsor | ||
Detect police activity and stay ticket-free in Matherville, Illinois with these police radar detectors.