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Finding Flock

Cameras / Illinois / Northbrook

License plate readers in Northbrook, IL

Volunteers have documented 36 automated license plate readers inside Northbrook. That is the 29th-largest total among the 180 Illinois cities indexed here, and 0.4% of the statewide total. At 2.7 per square mile it is more densely covered than 70% of the 2,395 US cities indexed nationally. Every one of them is a Flock Safety unit. Every mount volunteers recorded here is the same kind: poles.

Checked against OpenStreetMap September 28, 2026 · figures last changed September 3, 2026.

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  • 36

    readers documented

  • 2.7

    per square mile

  • 29th

    of 180 indexed Illinois cities · 665th of 2,395 nationally

  • 0.4%

    of Illinois’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
32 cameras are tagged as watching public streets or traffic.
Recorded operators
Highland Park Police Department (1). All 720 recorded ALPR operators, ranked →
How they’re mounted
pole (23)
Coverage area
13.2 square miles of land inside city limits.

Nearby

Learn more: How to spot a Flock Safety camera · How ALPRs work · Can you opt out? · Illinois's ALPR statute

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.