Flock & ALPR Cameras in McHenry, Illinois
Volunteers have reported 7 automated license plate readers in and around McHenry — cameras that log every passing plate with a time and location.
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No new reports near McHenry in the last 30 days — checked hourly, last checked Oct 7, 17:10 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in McHenry
The readers mapped around McHenry break down as 6 Flock Safety, 1 Axon Enterprise. The first camera here was reported in Feb 2025; the most recent in Jun 2026.
- Charles J Miller Road — 3 readers
- Front Street — 2 readers
- West Elm Street — 1 reader
- McHenry River Walk — 1 reader
McHenry IL PD and the sharing network
Per Flock’s own transparency portal, McHenry IL PD has logged 179 plate-database searches, has captured 221,230 vehicle records. Its network connects to 478 other agencies — a plate read here can surface in searches far beyond city limits.
Connected agencies include: Adams County IL SO, Addison IL PD, Antioch IL PD, Arcola IL PD, Arlington Heights IL PD, Arthur IL PD, Athens IL PD, Attorney General of Illinois - Medicare Fraud Division.
McHenry in the McHenry County picture
McHenry County has 111 reported cameras county-wide and ranks #867 of 3,222 U.S. counties for cameras per resident. That’s across 311,366 residents and 1,878 road miles. By road density that is 0.06 cameras per road mile, in the top 10.6% of counties nationally.
Where contributors recorded what a camera watches, the split here is 7 traffic.
What’s watching McHenry
These aren’t red-light cameras. Automated license plate readers like Flock Safety’s photograph every plate that passes, log the time and place, and store it in a searchable database that’s often shared far beyond McHenry — here’s where that data goes. Counts cover cameras reported closest to McHenry (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
The latest around McHenry
- Cop Arrested for Flock-Stalking Exposes Another Oversight Failure
- Prosecutors say McHenry County police chief used Flock license plate reader data hundreds of times to track people he knew
- McHenry County cop accused of using Flock plate reader hundreds of times to track women he dated, others
- McHenry County police chief arrested for allegedly using law enforcement, license plate reader databases for personal use
What you can do in McHenry
Ask who approved these cameras, how long plate data is kept, and who it’s shared with. File a public records request, raise it at a council meeting, and see the full playbook on Take Action. Fighting this locally? Join or start a chapter and we’ll amplify you.
Not sure what one looks like? See photographs of installed cameras before you go looking.
Cameras near McHenry
← All Illinois cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).