US Regional Population Statistics

As of 2010, the United States had a total resident population of almost 310 million with a median age of 37.2 years. The largest population group, however, was the 45-59 age bracket with a population of 22.7 million followed by the 50-59 group with 22.3 million. The smallest age bracket, unsurprisingly, was the 85 and older group with just 5.5 million. The states with the youngest populations in 2010 based on median age were geographically dispersed. Utah was the youngest with a median age of...