License plate readers in Columbia, MD
Volunteers have documented 47 automated license plate readers inside Columbia. That is the 5th-largest total among the 23 Maryland cities indexed here, and 3.8% of the statewide total. Its density of 1.5 per square mile places Columbia near the middle of the 2,432 cities indexed nationally. Not every operator recorded here is a public agency — volunteers also logged Lowe's and Home Depot. Where a mount was recorded, volunteers logged 19 on poles and 6 on pole and trailer mounts.
Checked against OpenStreetMap November 13, 2026 · figures last changed November 10, 2026.
47
readers documented
1.5
per square mile
5th
of 23 indexed Maryland cities · 487th of 2,432 nationally
3.8%
of Maryland’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
- Flock Safety10 · 21%
- Motorola Solutions7 · 15%
- Genetec2 · 4%
- Leonardo/ELSAG1 · 2%
- Other vendors12 · 26%
- Unknown15 · 32%
What volunteers recorded
- Monitoring public roads
- 34 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Lowe's (3), Home Depot (2). All 720 recorded ALPR operators, ranked →
- How they’re mounted
- pole (19), pole and trailer (6), wall (1)
- Coverage area
- 31.9 square miles of land inside city limits.
Nearby
Learn more: How to spot a Flock Safety camera · How ALPRs work · Can you opt out? · Maryland'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.