If available, see below for a list of known police frequencies for Algonquin, Illinois. Or, navigate to another city or town within McHenry County, to view the local police frequencies.
| Frequency | Description | Agency | |
|---|---|---|---|
| 154.74 | Algonquin Police - Alternate | Algonquin Police | |
| 155.43 | Algonquin Police - TAC | Algonquin Police |
Detect police activity and stay ticket-free in Algonquin, Illinois with these police radar detectors.