United States (Contiguous 48) is 5.2 times larger than Alaska (USA).
Area: 7,653,006 km2 Census
Population: 313,989,653 (July 2013) Census
The contiguous United States is the 48 adjoining US states plus Washington, DC on the continent of North America that are south of Canada and north of Mexico. Wikipedia
Area: 1,477,953 km2 US Census
Population: 735,132 (July 2013) US Census
Alaska is a U.S. state situated in the northwest extremity of the North American continent. Wikipedia