How do i do it?

Using our DistrictBuilder tool, you can make a valid election map in a couple of hours.  Then you can enter it in our mapping competition, which offers nice cash prizes for the best entries.

A helpful word of advice. Before diving in, first take these three steps:

Step 1: Think

Maps reflect the goals and values of the mapper. There is no one right answer, no one perfect map. What are your goals?  This exercise will help you figure them out. 

Step 2: Use the guide

A lot goes into making a valid map, so District Builder is a pretty complex tool. We’ve put together a video demo and an easy-to-read User Guide. Each offers lots of pro tips for getting DB to do what you want.  We strongly recommend you give both a look.

Step 3: Read the rules

You can enter multiple maps.  But each must be accompanied by a Personal Statement on why and how you did your map the way you did. So it's best to review the competition rules before mapping. Once you've done that, click the “Yes, I’m Ready” button on this page. This will open a new browser tab, taking you to DistrictBuilder.

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Run into a snag? Want help on how to map a region you don't know well? Figure out a great hack you want to share? Visit the DistrictBuilder User Forum.

David Thornburgh, president and CEO of Committee of Seventy, guides users through the basics of DTL's mapping software.

Video introduction to DistrictBuilder with David Thornburgh.

Districtbuilder was designed by Azavea, a Philadelphia software engineering and data analysis firm that focuses on projects related to geography and place. An earlier version, deployed in 2011 as part of  the Public Mapping Project, helped run mapping competitions in 11 states.