The Spring 2020 Competition is live

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The Spring 2020 Competition is live

Draw congressional and legislative maps

If you haven't yet won a statewide prize, you are eligible to win up to $5,000. Deadline to enter is August 31st.

How do i do it?

Draw the Lines has multiple ways for you to make a valid election map. Then you can enter it in our mapping competition, which offers significant cash prizes for the best entries.

And Draw the Lines now offers the ability for mappers to tackle not only congressional maps, but also state legislative maps. If you want to draw PA House or PA Senate maps, click here.

A helpful word of advice. Before diving in, first take the three steps below. If you have any questions, Contact Us.

Step 1: Think

Your map should reflect your goals and values. There is no right answer, no one perfect map. What are your goals?  This exercise helps you figure them out. 

Step 2: Use the guide

A lot goes into making a valid map. We’ve put together this video demo and an easy-to-read User Guide. Each offers guidance for getting the mapping tool to do what you want.

Step 3: Read the rules

You can enter multiple maps. But each entry must be accompanied by a Personal Statement. So, review the competition rules before mapping. 

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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.