We need a unified archive of police data.

PDAP is consolidating data from every U.S. agency into a critical public resource.

Police chronicle their activity with published reports, but each department acts independently. There is no single source of data documenting the police system.

To build one, we're using Python extractors written by volunteers to scrape public data from police websites.

Help us achieve our mission

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We can't fix what we can't measure.

Every vision for the future of justice policy starts with the same first step: understanding the current system.

We can use already public data to understand the police systems around us.


We're an open-source learning organization. Talk to us on Discord.

Data Collection

There are over 18,000 police organizations. We can make their data usable, measurable, and actionable by putting it in one place.

Contribute code

Data Storage

We archive collected data to facilitate open source translation and analytics. Our data and source scrapers are publicly available, free of charge.