There's a birth every nine seconds in the United States and a death every 10. Here's how many people live in the U.S. and other population fast facts.

It’s just a bit of fun, sure, but it’s pretty interesting to look at. For comparison, here's an actual map of the United States, and the population density one again so you can easily compare ...

The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860. Library of Congress In September of 1861, the U.S. Coast Survey published a large map ...

Earlier this week, I split up the United States into 50 regions of equal population. In that story, I pointed out that the population of Manhattan is g ...

This map shows the racial and ethnic makeup of the entire United States, ... By plotting the population onto a map of the country ... 1,200 to 8,000 people — to represent population density and ...