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Life & fun · June 23, 2020

Antimander – Optimize Congressional Districts with Genetic Algorithms

Optimization software to fight gerrymandering.

Antimander – Optimize Congressional Districts with Genetic Algorithms launched on June 23, 2020 with 68 votes, #724 of 4,317 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 6 years on.

Visit antimander.org ↗Alternativestop 17% of June 2020

In plain words

Antimander is a tool that uses genetic algorithms to optimize the design of congressional districts. Launched in 2020, it allows users to explore how district boundaries could be redrawn to achieve different outcomes. The software is designed for anyone interested in understanding gerrymandering and redistricting, from researchers to civic-minded individuals. What distinguishes it is its use of computational optimization techniques to systematically generate alternative district configurations.

written from the facts on this page · September 2026

From the sources

By Joel Simon with contributions from Joel Lehman and design by Nio Ono . Each state is divided into districts that each elect a representative to congress. Here are Wisconsin's current districts. The color represents what party that district is leaning towards. In this plan, five of the eight districts are majority republican even though Wisconsin has roughly equal amounts of voters in each party. Adjust the below sliders to see generated alternatives from Antimander. A better way to view these tradeoffs is something called a parallel coordinates plot . It presents the sliders vertically and draws one line across for each option according to its scores on the three metrics. You can drag…from antimander.org

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