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