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Finding Flock

Cameras / Michigan / Detroit

License plate readers in Detroit, MI

Volunteers have documented 559 automated license plate readers inside Detroit. No other Michigan city in this index has more, and Detroit alone accounts for 15% of every reader documented in the state. At 4.0 per square mile it is more densely covered than 83% of the 2,395 US cities indexed nationally. Its 559 readers are more than 27 times the 20-camera median for the 63 Michigan cities indexed here. Where a mount was recorded, volunteers logged 342 on poles and 64 on street lamps.

Checked against OpenStreetMap September 29, 2026 · figures last changed September 13, 2026.

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  • 559

    readers documented

  • 4.0

    per square mile

  • 1st

    of 63 indexed Michigan cities · 9th of 2,395 nationally

  • 15%

    of Michigan’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

Compare every ALPR manufacturer nationally →

What volunteers recorded

Monitoring public roads
552 cameras are tagged as watching public streets or traffic.
Recorded operators
Detroit Police Department (449), Michigan State Police (19), Rock Security (10). All 720 recorded ALPR operators, ranked →
How they’re mounted
pole (342), street lamp (64), post (61), traffic signal (52), building (10)
Coverage area
138.7 square miles of land inside city limits.

Nearby

Learn more: How to spot a Flock Safety camera · How ALPRs work · Can you opt out? · How state ALPR laws compare

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, or download the aggregates in bulk.