Norcross is a city located in Gwinnett County, Georgia, United States. According to the 2010 census, the population was 9,116, while in 2020, the population increased to 17,209. Norcross is part of the Atlanta-Sandy Springs-Marietta metropolitan statistical area.

Gwinnett County is located in the north central portion of the U.S. state of Georgia. It forms part of the Atlanta metropolitan area, being located about 9 miles (14 km) northeast of Atlanta city limits. In 2020, the population was 957,062, making it the second-most populous county in Georgia. Its county seat is Lawrenceville. The county is named for Button Gwinnett, one of the signatories of the Declaration of Independence.