Drawing Districts

Same votes, different winners

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• The same votes can produce very different seat counts under different maps.
• Packing and cracking waste the targeted party’s votes.
• The efficiency gap measures imbalance in wasted votes.

Steps

1. Districts decide
2. Redraw the map
3. Packing and cracking
4. Wasted votes
5. Measuring shape
6. The other side