Taken individually, each state tells its own story, and each makes for fascinating reading. As a follow-up, here is the big picture: a map showing all of the states at a given time.
Each shape represents where the people living in a state were born. Within a state, larger shapes mean a group makes up a larger share of the population.
For map enthusiasts out there — you know who you are — this is a new kind of chart we are calling a Voronoi treemap map, based on the work of two visualization researchers, Michael Balzer and Oliver Deussen.
Map: The wealthiest member of Congress in each state
"Millionaires make up only a small percentage of Americans, but their ranks are much thicker on Capitol Hill, where 35 percent of Congress’ members have a disclosed net worth of at least — at least! — $1 million. (Perhaps this is one reason Congress is more sensitive to the concerns of the affluent?)
This Map Shows Just How Lonely Americans’ Commutes Are
Nationwide, the map showed, roughly 3/4 of American commuters drive alone to work, while around 10 percent carpool and smaller percentages use other means — bikes, public transit, their own two feet — to get to work.