If available, see below for a list of known police frequencies for Dubuque County in Iowa. Or, navigate to your city or town to view your local city and/or police frequencies within Dubuque County, Iowa.
| Asbury | Balltown | Bankston | Bernard | |
| Cascade | Centralia | Dubuque | Durango | |
| Dyersville | Epworth | Farley | Graf | |
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| Holy Cross | Luxemburg | New Vienna | Peosta | |
| Rickardsville | Sageville | Sherrill | Worthington | |
| Zwingle | ||||
Detect police activity and stay ticket-free in Dubuque County with these police radar detectors.