Dunwoody is a city located in DeKalb County, Georgia, United States. As a northern suburb of Atlanta, Dunwoody is part of the Atlanta metropolitan area. It was incorporated as a city on December 1, 2008 but its area establishment dates back to the early 1830s. As of 2019, the city has a population of 49,356, up from 46,267 in the 2010 census.