The City of Dunwoody has a Council-Manager form of government. There are six Council Members and one Mayor who make up Dunwoody's City Council. 

Each member of council represents one of three districts in Dunwoody. Posts 1, 2, and 3 are positions that are voted upon by citizens from within the district the Council Member will be representing. Posts 4, 5, and 6 are elected by the city at-large, with each Council Member being elected to represent a given district. Elections are held on a four-year cycle and are staggered, with only half of the Council coming up for vote in any given cycle.

The City Manager is responsible for the effective administration and operation of all services for the city of Dunwoody. The City Manager manages the day-to-day activities of city departments and maintains necessary intergovernmental relationships with federal, state, and other local governments.