Washington DC is the capital of the United States and is located on the bank of the Potomac River. It is home to numerous foreign embassies and the headquarters of the World Bank and IMF. This city is inhabited by 588,000 people and the average income for the city is $46,788. The average home is worth $711,500 and rent is 1,285 per month. Wachovia Bank and Bank of America are the largest financial service providers here.