See the most oddly gerrymandered districts in the US

Test your gerrymandering skills with this interactive game

This simulation demonstrates how packing and cracking alter election outcomes. See how shifting district lines can change representation—regardless of the overall makeup of the electorate.

Track the unusual push for mid-decade redistricting across the US

The National Conference of State Legislatures maintains a live tracker showing where mid-decade congressional redistricting is underway, detailing which states are pursuing new maps, the legislative and constitutional methods being used, and how courts are responding as the 2026 elections approach.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Cracking and packing are the main tactics behind gerrymandering

Cracking and packing are gerrymandering techniques. Cracking splits opposing voters across districts, diluting their power. Packing concentrates their votes into a few districts, wasting them in overwhelming majorities for one party.

Hear how gerrymandering is like 'Moneyball applied to politics'

In a 2016 interview, journalist David Daley explained how Republicans used data-driven targeting after the 2010 census to lock in durable advantages, comparing modern gerrymandering strategies to the analytics revolution in baseball.

How algorithmic redistricting works

Computational methods are convincing a number of judges that some state district maps are drawn illegally. Here's a simple overview of how it works.

There were fewer competitive districts in 2022 than at any point since 1970

Analysts reported that the 2022 midterms featured the lowest share of competitive congressional districts since 1970, reflecting how modern redistricting has increasingly produced safe seats and reduced voter choice.

The term 'gerrymander' dates back to a 1812 Boston dinner party

The term "gerrymandering" arose when Massachusetts Governor Elbridge Gerry approved a state senate map with a district so contorted it resembled a salamander. Critics dubbed it the "Gerry-mander," cementing the term for partisan map manipulation.

Can courts end partisan gerrymandering?

This podcast explored whether courts can rein in partisan map-drawing, focusing on North Carolina's 2023 redistricting battle, the Moore v. Harper case, and the controversial "independent state legislature" theory.

Independent redistricting commissions aim to take politics out of the map-drawing process

In several states, citizen or bipartisan panels draw congressional and legislative districts based on neutral criteria like population and geography. Learn more about how these commissions increase competitiveness in elections.

This American Life explored Ohio's gerrymandering battle

In 2022, Ohio lawmakers repeatedly drew congressional districts that the state Supreme Court ruled unconstitutional. This defiance violated a voter-approved reform intended to prohibit partisan gerrymandering.

How partisan is your district?

The highly-respected Cook Political Report rates how partisan--and therefore, how safe--every district in the US is. Hover over your home district to see the score.

Thomas Hofeller was the GOP strategist known as the 'master of gerrymandering'

Republican consultant Thomas Hofeller quietly shaped US politics for decades by engineering partisan maps nationwide. His files, released after his death, revealed strategies to maximize GOP advantage and diminish Democratic influence.

States are constitutionally mandated to draw their own congressional districts

Under Article I, Section 4 of the US Constitution, state legislatures possess the authority to determine how congressional districts are drawn. However, Congress retains the power to alter these rules if it chooses to.

The wildest cases of election fraud in US history

The USA has seen some crazy elections. Election fraud is vanishingly rare now, but here are the craziest cases of election fraud in U.S. history.

Understand the US electorate demographics

Ever wonder how much of each group make up the American voting bloc? Find raw data from the '16 and '18 elections broken out by a variety of factors (click on "validated voters database" link).

Roughly half of the world's nations are (relatively young) electoral democracies

Classifying countries by governance type involves leaning into technical systems like the Regimes of the World classification. In this data dive, see a map of the world's oldest and youngest electoral democracies, as well as liberal democracies (which are measured by the protection of minorities and checks on executive power from the legislature).

Visualizing US state taxes in seven charts

Ever wondered how your state’s tax system compares to others? Here’s an overview of the US state tax system based on seven visualizations.

The illegal happy hour map

Despite its origins as a US phenomenon, happy hours aren't welcome everywhere in the country. This resource includes a map that visualizes every American state's happy hour legislation, from the states with complete bans (like Massachusetts) to states that don't have any happy hour legislation at all.

See the lists of the worst hurricanes in the US through 2024

Several metrics, including wind speed, pressure, damage costs, and casualties, may be used to define the most devastating hurricanes. This page provides the top 10 hurricanes across each of these sorting methods.

States with the most million-dollar homes

As of 2024, the US has 621 cities where a typical home costs $1M or more. California has more million-dollar cities than any other state by a long shot, with 218. New York comes in second with 76. Want to see where other states rank? Check out this map to learn more.

This flat map is still wrong, but it's the least wrong of all flat maps

While flat maps can never be as perfectly scaled as a globe, they're far more practical than carrying around a sphere. Researchers set out to minimize six major errors of flat maps, including boundary cuts and skewed proportions, by simply squashing...

See a real-time list of the most shorted stocks in the US

Every two weeks, the Nasdaq and New York Stock Exchange release the stocks with the most short positions. Some of the companies with the highest short positions as of early 2026 were Hims & Hers and Groupon.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

Hear why one author thinks college rankings may be irrelevant

For more than three decades, US News & World Report has released an annual ranking of the country's best colleges. An extremely influential list that can determine application volume, funding decisions, and more, the rankings have been compiled by a secret algorithm indecipherable to many on the opposite side of the table. Author Malcolm Gladwell attempts to unpack the calculation, ultimately raising the question: How relevant is the list?

Mapping fiction's imagined breakdowns of the US after apocalypse

Post-apocalyptic fiction in the US is at least a century old, and how the future is envisioned reflects contemporary anxieties and divisions. This piece examines the various creative maps birthed from the tradition from Jack London's 1912 "The Scarlet Plague," a pandemic novel set in 2073, through Stephen King's "The Stand", dystopian "The Hunger Games," and visions of civil war.

Every type of US national park, explained

Ever wonder what kinds of sites comprise the US National Park System? Using the recent re-designation of New River Gorge as a national park as a jumping-off point, this engaging video breaks down the 19 different designations within the National Park System. This includes parks, reserves, monuments, and scenic trails.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Despite being favored by 87% of Americans, Congress does not have term limits.

View the ten deadliest tornadoes in US history.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

See this overview of the firework rules across all 50 states, ranging from a complete ban on non-professional fireworks in Massachusetts to states with more lax rules like Indiana.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

A century of Billboard issues documenting the evolution of popular music.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.