If available, see below for a list of known police frequencies for Middle River, Minnesota. Or, navigate to another city or town within Marshall County, to view the local police frequencies.
| Alvarado | Argyle | Grygla | Holt | |
| Middle River | Newfolden | Oslo | Stephen | |
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| Strandquist | Viking | Warren | ||
Detect police activity and stay ticket-free in Middle River, Minnesota with these police radar detectors.