DistrictBuilder

We’re excited to launch new enhancements to support redistricting competitions and map submissions for Organization pages on…

Redistricting maps are being rejected by Courts. Read about the status of redistricting in Ohio, Pennsylvania and Alabama.

Several U.S. states have multimember districts which elect more than one member to districts in a legislative chamber. However, some states…

Now that national redistricting is winding down, we want to share our highlights from the most recent cycle and look ahead at what is to…

Citizen Voting Age Population (CVAP) is the total population aged 18 and over and also a citizen. The estimates come from the U.S. Census…

We have now added drawing capabilities for redistricting Puerto Rico with Congressional, House and Senate options.

Learn how to draw and export a Community of Interest (COI) using the map tools in DistrictBuilder.

We are thrilled to announce that DistrictBuilder won 2nd place in the Open Data for Good Grand Challenge. The Open Data for Good Challenge…

Join a free redistricting webinar to learn how to draw maps, share them, and evaluate for potential gerrymandering.

Want to join the redistricting community for your state but aren’t sure where to start? Look no further than the Public Mapping Project’s…

This blog showcases Abbie Wager’s North Carolina Congressional map as a Judge’s Pick winner in Map Across America.

This blog showcases Craig Wilding’s Florida House map as a Judge’s Pick winner in Map Across America.

This blog showcases Paul Nieves’ North Carolina Congressional map as the Partisan Balance winner in Map Across America.

This blog showcases Teddy Warner’s Illinois Senate map as the Majority-Minority District Consideration winner in Map Across America.

Did you know we offer personalized DistrictBuilder training webinars? Our webinar option helps users start drawing maps and provides an…

We answer your questons about the Cook PVI, or Partisan Voting Index, used in DistrictBuilder to evaluate competitiveness.

In this blog we cover steps for converting a redistricting plan from a block equivalency file to a GIS shapefile.

The Map Across America contest is no longer accepting submissions. Click here to view the winning maps!