Flock & ALPR Cameras in Mariposa County, California
Volunteers have reported 19 automated license plate readers across Mariposa County — each one logging every passing plate with a time and location.
Need this county’s camera data? Custom extracts are free for researchers, journalists and advocates. Ask for it.
No new reports near Mariposa County in the last 30 days — checked hourly, last checked Oct 7, 18:10 UTC. Cameras only get on the map when someone looks: be the one.
How Mariposa County compares nationally
Mariposa County ranks #147 of 3,222 U.S. counties for cameras per resident, inside the top 6.8% nationally. The count covers 17,060 residents and 2,403 miles of county roads — 8.7925 cameras per 10,000 residents.
What’s watching Mariposa County
Automated license plate readers like Flock Safety’s photograph every plate that passes, stamp it with time and place, and store it in a searchable database that’s routinely shared across agencies — here’s where that data goes. Counts reflect cameras volunteers have mapped inside Mariposa County. Spot one that’s missing? Report it on DeFlock.
The latest around Mariposa
What you can do in Mariposa
County commissions and sheriff’s offices sign these contracts — and answer to residents. Ask how long plate data is kept and who it’s shared with: file a public records request, speak at a public meeting, and see the playbook on Take Action. Organizing locally? Join or start a chapter.
Not sure what one looks like? See photographs of installed cameras before you go looking.
Cameras nearby in California
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Camera reports: the open-source DeFlock project. County boundaries: US Census.