Princeton Election Consortium

A first draft of electoral history. Since 2004

Entries Tagged as 'Redistricting'

New Dataset: State Legislative Elections, 1971-2016

September 26th, 2017, 12:00pm by brian

I’m pleased to say that the Princeton Gerrymandering Project has just published a new dataset of state legislative elections from 1972 to 2016. This database covers over 500 election/state/year combinations, and contains over 80,000 elections. The election results can be downloaded here, and the code can be viewed on github. The dataset is based on [...]

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Tags: Redistricting

The Very Hungry Gerrymandering Project

September 25th, 2017, 6:48pm by Sam Wang

Gerrymandering comes to the forefront. See www.princeton.edu for a video about standards for extreme partisan gerrymandering that we are advocating, based on simple concepts of partisan symmetry and basic statistics. The explainer is pretty spiffy! Want to know how gerrymandering has gotten so bad in the last few decades? Here’s a history (with numbers) in [...]

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Tags: Redistricting

When did partisan gerrymandering get worse, and why?

September 25th, 2017, 7:22am by Sam Wang

Partisan gerrymandering: when did it get worse, why, & what can courts & reformers do? New at The American Prospect, we trace the roots of an offense that has ballooned in recent decades. Also, over at the Princeton Gerrymandering Project, we’ve added state legislative data. This includes data for the Wisconsin Assembly, which is important [...]

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Tags: Redistricting

A tutorial on partisan gerrymandering

September 7th, 2017, 8:45am by Sam Wang

Here’s a spiffy explainer video on how extreme partisan gerrymandering is committed, and how it can be detected by anyone who’s ever taken a basic statistics class. Many thanks to the creatives behind this, Kyle McKernan and Danielle Alio of the Princeton University communications office. If you like their work, share it and “like” it!

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Tags: Redistricting

A Manageable Approach to Partisan Gerrymandering

September 4th, 2017, 2:22pm by Sam Wang

If the Supreme Court lays down a partisan symmetry-based standard for gerrymandering, will this open up a flood of lawsuits? Over at Election Law Blog, I use election evidence to argue that no, it will act as more of a brushback to future offenders. The reason? As you can see in the chart, partisan gerrymanders only [...]

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Tags: House · Redistricting

Amicus Brief in Gill v. Whitford

August 30th, 2017, 10:39pm by Sam Wang

Today I filed a brief in the S.Ct. gerrymandering case with some of the best elections scholars in the country. https://t.co/2Wm43rrnEK — Heather Gerken (@GerkenHeather) August 31, 2017 Today we submitted our amicus brief (read the PDF) in the case of Gill v. Whitford. The authors are Heather Gerken, Jonathan N. Katz, Gary King, Larry Sabato, [...]

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Tags: Redistricting · U.S. Institutions

Gerrymandering vs. Math: Who will win?

August 29th, 2017, 2:23pm by Sam Wang

From Emily Bazelon, a sharp look at partisan gerrymandering. Her thinking and analysis will resonate with fans of the Princeton Gerrymandering Project. We’ll have more coverage soon, once the Supreme Court amicus filing deadline has passed…

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Tags: Redistricting

Democratic Partisan Gerrymanders, 1972-present

August 23rd, 2017, 12:39am by Sam Wang

The Princeton Gerrymandering Project makes it easy to browse all gerrymandering offenses for a given year. We are now starting to cross-reference these offenses with who had control over the redistricting process. It’s a daunting task, but our statistical analyst Brian Remlinger is on the case. Brian has found something interesting: from 1972 until now, [...]

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Tags: House · Redistricting

The Princeton Gerrymandering Project is live!

August 4th, 2017, 7:34am by Sam Wang

I am happy to announce our revamped site at gerrymander.princeton.edu. This is part of the Princeton Gerrymandering Project’s tooling up for the coming several years of work by courts and reformers. The site now has an interactive map showing the results of three simple gerrymandering tests, applied in all the states. It allows you to [...]

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Tags: Redistricting · Site News

Partisan gerrymandering case to be argued before Supreme Court on October 3rd

July 19th, 2017, 2:22pm by Sam Wang

Just in: oral arguments in Gill v. Whitford will take place at 10:00am on Tuesday, October 3rd. It’s the second day of the fall term. More big cases in October sitting — travel ban, gerrymandering, arbitration, immigration detention, ATS — than in all of last term pic.twitter.com/71dmkBfwvh — Adam Liptak (@adamliptak) July 19, 2017

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Tags: Redistricting