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 ...
![Population Growth in the United States between 2011 and 2012 [1244 x 605]](https://i.pinimg.com/originals/4e/f7/6a/4ef76ae197d864363e44be03d92de129.jpg)
