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The Gerrymander Interactive

An interactive simulator for exploring political boundary manipulation. Use the space below to test how different redistricting strategies impact electoral outcomes.

Gerrymandering Simulator

Note: Start by selecting a region and applying a strategy. Reset the tool at any time to try a different approach to redistricting.

Activity Guide

  • Analyze the Map: Observe the current distribution of voters and the existing district boundaries.
  • Redraw Boundaries: Use the interactive tools to experiment with packing and cracking techniques.
  • Evaluate Outcomes: Compare the resulting seat counts to the total popular vote percentage.
  • Reflect on Fairness: Consider which boundaries provide the most equitable representation for all citizens.

The Impacts of Gerrymandering

Understanding the consequences of partisan redistricting on democratic representation and political landscape.

INTERACTIVE SIMULATION SPACE

Election Results

Parties can win majorities even with fewer total votes, decoupling public will from power.

Incumbent Safety

'Safe seats' reduce competition and make representatives less responsive to constituents.

Polarization

Packing similar voters together drives ideological extremism and legislative gridlock.

Ready for more? Proceed to the

Further Resources

REDISTRICTING DATA HUB
VOTEMUS: MATHEMATICAL FOUNDATIONS
CITIZENS FOR FAIR DISTRICTS
CONSTITUTIONAL REFORM GUIDES
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