Located between Virginia and Maryland on the Potomac River, Washington, DC is culturally diverse and rich in history, with many famous museums and national monuments.
- Population: 550,521
- Largest employers:
- Smithsonian Institution
- Federal Bureau of Investigation (FBI)
- Urban Institute Publications
- Median household income (2007) : $52,454
- Family purchasing power (2007) : $49,931
- Percent of population over 25 with bachelor's degree or higher: 39.1%
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