License plate readers in Marshalltown, IA
Volunteers have documented 45 automated license plate readers inside Marshalltown. That is the 3rd-largest total among the 20 Iowa cities indexed here, and 5.6% of the statewide total. At 2.4 per square mile it is more densely covered than 67% of the 2,231 US cities indexed nationally. Nearly all of them — 96% — are Flock Safety units. Where a mount was recorded, volunteers logged 27 on poles and 7 on traffic signals.
Updated August 14, 2026.
45
readers documented
2.4
per square mile
3rd
of 20 indexed Iowa cities
5.6%
of Iowa’s documented total
Dot colors follow the manufacturer legend below. Boundary: U.S. Census Bureau, 2025 Cartographic Boundary Files. Locations: © OpenStreetMap contributors.
Who makes them
- Flock Safety43 · 96%
- Unknown2 · 4%
What volunteers recorded
- Monitoring public roads
- 45 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Marshalltown Police Department (30). Who operates these cameras nationally →
- How they’re mounted
- pole (27), traffic signal (7)
- Coverage area
- 19.2 square miles of land inside city limits.
Nearby
Learn more: What a Flock camera looks like · How ALPRs work
These locations were documented in the field by OpenStreetMap volunteers and refresh automatically every six hours. They are evidence of where cameras have been seen — not a complete or official inventory, and cameras may have been added or removed since documentation. Corrections happen upstream: edit OpenStreetMap and this page will update. Read more in our methodology.