Duluth is a city in Gwinnett County, Georgia, United States. It is a suburb of Atlanta. As of the 2010 census, Duluth had a population of 26,600, and the U.S. Census Bureau estimated the population to be 29,331 as of 2016.Duluth is located north of Interstate 85. It is home to Gwinnett Place Mall, the Gwinnett Civic and Cultural Center, Infinite Energy Arena, Hudgens Center for the Arts, and the Red Clay Theater. It is also home to Gwinnett Medical Center–Duluth, an 81-bed hospital constructed in 2006, as well as GMC's Glancy Campus, a 30-bed facility located near downtown. The agricultural manufacturer AGCO is based in Duluth.Forbes ranked Duluth 26th in "America's Best Places to Move" in 2009, while BusinessWeek named it the "Best Affordable Suburb in Georgia" in 2010.