Washington, DC Directory
This Washington, DC menu page provides access to categorized organizations that are located in this state. Most of the organizations listed on these category pages primarily serve, and employ, the residents of Washington, DC.
In 2010, according to United States Census Bureau data, the District of Washington, DC had an estimated total population of 602,000, which is about 0.19 percent of the United States population. 101,000 (16.8 percent) of these residents were under 18 years of age, 432,000 (71.8 percent) were between 18 and 65 years old, and 69,000 (11.5 percent) were over 65 years old. The median age of Washington, DC residents was 33.8 years, compared to the median age of 37.2 years for United States residents as a whole.
Washington, DC has a land area of 61 square miles, and 18.2 percent of this land area is occupied by National Parks. According to the USDA's National Agricultural Statistics Service, 0.0 percent (0 acres) of this land area was occupied by about 0 farms. The state has approximately 9,868.9 residents per square mile. Washington, DC also has 7 square miles of inland water areas. This interactive map of Washington, DC shows the state's roads and highways, while this map of Washington, DC and the surrounding region provides a visual perspective on the state's topography.
In 2010, according to the United States Department of Labor's Bureau of Labor Statistics, the approximately 710,900 non-farm employees in Washington, DCrepresented about 118.09 percent of the state population. 245,700 of these non-farm employees worked in the government sector; the remainder worked in the private sector.
