If available, see below for a list of known police frequencies for Mercer County in Pennsylvania. Or, navigate to your city or town to view your local city and/or police frequencies within Mercer County, Pennsylvania.
| Clark | Farrell | Fredonia | Greenville | |
| Grove City | Hermitage | Jackson Center | Jamestown | |
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| Mercer | New Lebanon | Sandy Lake | Sharon | |
| Sharpsville | Sheakleyville | Stoneboro | West Middlesex | |
| Wheatland | ||||
Detect police activity and stay ticket-free in Mercer County with these police radar detectors.