If available, see below for a list of known police frequencies for Deer Grove, Illinois. Or, navigate to another city or town within Whiteside County, to view the local police frequencies.
| Albany | Coleta | Deer Grove | Erie | |
| Fulton | Lyndon | Morrison | Prophetstown | |
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| Rock Falls | Sterling | Tampico | ||
Detect police activity and stay ticket-free in Deer Grove, Illinois with these police radar detectors.