Norcross is a city in Gwinnett County, Georgia, United States. The population as of the 2010 census was 9,116, while in 2020 the population was 17,209. It is included in the Atlanta-Sandy Springs-Marietta metropolitan statistical area.
Norcross is located in western Gwinnett County at 33°56′N 84°13′W / 33.933°N 84.217°W / 33.933; -84.217 (33.9386, -84.2086). It is bordered to the north by the city of Peachtree Corners. Interstate 85 forms the southern boundary of the city, with access from Exits 99 (Jimmy Carter Boulevard), 101 (Indian Trail Lilburn Road), and 102 (Georgia State Route 378). Downtown Atlanta is 20 miles (32 km) to the southwest via I-85.