Welcome NCSL attendees! We are excited for you to be the first to try the all-new DistrictBuilder. DistrictBuilder is a free and open source redistricting software tool that empowers the public to draw legal redistricting maps across the country. This beta version features population balance, race demographics breakdown, and block-level editing in 10 states—with more on the way!
Try DistrictBuilder

We're in beta! If you run into any bugs or have questions, we'd love to hear from you at support@publicmapping.org.


Get product updates

Sign up to receive product updates and get notified when new states are available in DistrictBuilder. We have many exciting features on our product roadmap going live in the next few months and you'll be the first to know.