Flock and other ALPR cameras mapped in OpenStreetMap, by US state
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Automated licence plate readers (surveillance:type=ALPR) and those tagged manufacturer=Flock Safety in OpenStreetMap, per US state extract, with 2024 population and the mapped count on earlier dates.

Article: https://mapatlas.eu/blog/flock-cameras-by-us-state
Data date: 2026-09-29
Rows: 51 (one per state, including the District of Columbia)

Files
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flock-cameras-by-us-state-2026-09-29.csv  (UTF-8, comma separated, header row, empty cell = no value)

Columns
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state_code                       ISO 3166-2 code
state                            State name
osm_alpr_objects                 Objects tagged surveillance:type=ALPR in the Geofabrik state extract (extracts have a small border buffer)
osm_alpr_nodes                   Of which nodes
osm_flock_safety_objects         Objects tagged surveillance:type=ALPR and manufacturer=Flock Safety
flock_safety_share_pct           osm_flock_safety_objects as a share of osm_alpr_objects, percent
population_2024                  US Census Bureau Vintage 2024 estimate for 1 July 2024
alpr_per_100k_residents          osm_alpr_objects per 100,000 residents
osm_alpr_mapped_2025_01_01       ALPR objects mapped on 1 January 2025 (taginfo chronology, cumulative)
osm_alpr_mapped_2026_01_01       Same, 1 January 2026
osm_alpr_mapped_2026_05_01       Same, 1 May 2026
osm_alpr_chronology_latest       Same, last date in the chronology
osm_alpr_chronology_latest_date  That date
osm_data_until                   Geofabrik taginfo data timestamp (UTC)
data_date                        Date of the research run

Sources
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- Geofabrik taginfo: https://taginfo.geofabrik.de/north-america:us/tags/surveillance:type=ALPR
- US Census Bureau, NST-EST2024-ALLDATA: https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/state/totals/NST-EST2024-ALLDATA.csv

Licence
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- osm_* columns and the ratios built on them: derived from OpenStreetMap, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/), © OpenStreetMap contributors (https://www.openstreetmap.org/copyright).
- population_2024: US Census Bureau, public domain.
- Attribute "MapAtlas" when you reuse the compiled table.

How to cite
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MapAtlas (2026). Flock and other ALPR cameras mapped in OpenStreetMap, by US state. https://mapatlas.eu/blog/flock-cameras-by-us-state (data date 2026-09-29).

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