United States, Southwest

The southwest is an arid region of high surface relief and relatively low population density. The four states within the region are Arizona, Nevada, New Mexico, and Utah. As of 2005, Arizona is 114,006 square miles and ranks as the 6th largest state; it has an estimated population of 5,939,292 and is the 18th most populated state. Nevada is 110,567 square miles and ranks as the 7th largest state; it has an estimated population of 2,414,807 and is the 35th most populated state. New Mexico is 121,593 square miles and ranks as the 5th largest state; it has an estimated population of 1,928,384 and is the 36th most populated state. Finally, Utah is 84,904 square miles and ranks as the 13th largest state; it has ...