Flock & ALPR Cameras in Prairie Grove, Illinois
Volunteers have reported 7 automated license plate readers in and around Prairie Grove — cameras that log every passing plate with a time and location.
Jurisdiction · by recorded street address
The 7 cameras counted on this page are every reader mapped within about 20 kilometres of Prairie Grove, so the count crosses municipal lines. By the street address recorded for each one, 4 of them sit inside Prairie Grove itself.
The rest sit in Crystal Lake (2).
1 camera has no municipality recorded yet.
Source: community-mapped camera data (OpenStreetMap, ODbL), with addresses resolved by Nominatim.
Need this city’s camera data? Custom extracts are free for researchers, journalists and advocates. Ask for it.
No new reports near Prairie Grove in the last 30 days — checked hourly, last checked Oct 8, 00:33 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in Prairie Grove
The readers mapped around Prairie Grove break down as 7 Flock Safety. The first camera here was reported in Jul 2025; the most recent in Dec 2025.
- Barreville Road — 2 readers
- Ames Road — 1 reader
- West State Road — 1 reader
- South Front Street — 1 reader
- Valley View Road — 1 reader
- Nish Road — 1 reader
Prairie Grove IL PD and the sharing network
Per Flock’s own transparency portal, Prairie Grove IL PD appears in the sharing network with connections to 20 other agencies.
Prairie Grove 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 Prairie Grove
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 Prairie Grove — here’s where that data goes. Counts cover cameras reported closest to Prairie Grove (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
What you can do in Prairie Grove
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 Prairie Grove
← All Illinois cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).