Annualized Population Growth 2010-15 map, US by state

The annualized estimates of pop growth for the period 2010-15. Thanks to Joe Francis at Cornell.

Map of 73 Years of Lynchings

From the New York Times:

The most recent data on lynching, compiled by the Equal Justice Initiative, shows premeditated murders carried out by at least three people from 1877 to 1950 in 12 Southern states. The killers claimed to be enforcing some form of social justice. The alleged offenses that prompted the lynchings included political activism and testifying in court.

Long Island's Future: Economic Implications of Today's Choices

The Long Island Index released a report suggesting ways to improve Long Island’s economy and housing options. Accompanying the report is an interactive map that Steven Romalewski, Director, CUNY Mapping Service, and the team at the CUNY Graduate Center developed that provides historical context for the report, showing demographic change throughout Long Island over a 40 year period: 1970-2010.

The report is available at the Index’s website and the interactive maps are available here.

The true true size of Africa

LAST month Kai Krause, a computer-graphics guru, caused a stir with a map entitled "The True Size of Africa", which showed the outlines of other countries crammed into the outline of the African continent. His aim was to make "a small contribution in the fight against rampant Immappancy"—in particular, the fact that most people do not realise how much the ubiquitous Mercator projection distorts the relative sizes of countries.

A sphere cannot be represented on a flat plane without distortion, which means all map projections distort in one way or another. Some projections show areas accurately but distort distances or scales, for example; others preserve the shapes of countries but misrepresent their areas.

More from The Economist.

Map of local word for "beer" in each European country

The Essential Map of Europe and Environs, if you drink beer.

Electoral college reform (fifty states with equal population)

The electoral college is a time-honored, logical system for picking the chief executive of the United States. However, the American body politic has also grown accustomed to paying close attention to the popular vote. This is only rarely a problem, since the electoral college and the popular vote have only disagreed three times in 200 years. However, it's obvious that reforms are needed.

The fundamental problem of the electoral college is that the states of the United States are too disparate in size and influence. The largest state is 66 times as populous as the smallest and has 18 times as many electoral votes. This allows for Electoral College results that don't match the popular vote. To remedy this issue, the Electoral Reform Map redivides the fifty United States into 50 states of equal population. The 2010 Census records a population of 308,745,538 for the United States, which this map divides into 50 states, each with a population of about 6,175,000.

Cows per 100 acres of land in the US

As compiled by Andy Arthur on Google Maps.

Census Dotmap

This is a map of every person counted by the 2010 US and 2011 Canadian censuses. The map has 341,817,095 dots - one for each person.

Geovisualization: Simulation of U.S. Births and Deaths

One of our Data Detectives thought you might enjoy having a look at a simulation of births and deaths across the US. It appeared in Atlantic Cities magazine. To start the simulation, in the text below the map, at the end of the second paragraph, click on the phrase "click here to begin it" link.