Florida is a state in the southeastern United States located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a 2010 estimated population of 18 801 310 by the United States Census Bureau it is the fourth most populous state in the country. With an area of 65 755 square miles (170 305 km) Florida ranks 22nd in size among the 50 U.S. states.