126,241 Heroin Arrests Visualized, Chicago 2001 – 2020

A look into heroin related arrests spanning almost 2 decades. The data is collected by the Chicago Police Department and available at Chicago Data Portal – Public Safety section. Click on static maps below to enlarge and/or play animation.

Full city map of all incidents.

West Side of Chicago. Heroin enforcement in the west side is so dense that city blocks are fully illuminated by incident reports.

West Side of Chicago over-time animation (Geo Temporal map). Interesting migration patterns can be seen here.

South Side of Chicago (2133x2917px).

South Side of Chicago over-time animation.

Over the last two decades CPD’s enforcement of heroin has gone down.

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