District of Columbia

Population	588,433 (2009)
Population Growth	2.86% since 2000
Population Density:	8,610.24/sq mi
Median Household Income:	$56,519 at 2009—40.85% increase since 2000
Median House Price:	$440,500 at 2009—180.22% increase since 2000
Time Zone:	Eastern GMT -5:00 with Daylight Saving in the Summer
Total Area:	68 sq mi
Water Area:	7 sq mi (10.15%)

District of Columbia Area Codes

** Based on the U.S. Census Bureau American Community Survey 2005-2009 Data