2010 Census data: Arizona second fastest-growing State in U.S.; Philadelphia Still Larger than Phoenix

The Arizona Republic reports:

By 2010, Phoenix had added nearly 125,000 residents and had grown to 1.4 million, a 9.4-percent increase from 2000. The growth was smaller than previously estimated and Phoenix remained behind Philadelphia, which held its status as the nation's fifth-largest city.

Check out the list of Arizona's biggest cities.