 Washington, D.C. has the second highest percentage of public transit commuters in the United States, behind only New York City.Commuters have a major influence on travel patterns in Washington, D.C. 671,678 people are employed in Washington, D.C., with only 28% commuting from within the city.18.7% of people working in Washington, D.C. commute from Prince George's County, Maryland and 14.8% from Montgomery County, Maryland.