Dacula is a city in Gwinnett County, Georgia, United States, located approximately 37 miles northeast of Atlanta. The population as of th…Dacula is a city in Gwinnett County, Georgia, United States, located approximately 37 miles northeast of Atlanta. The population as of the 2010 census was 4,442, and the U.S. Census Bureau estimated the population to be 6,255 as of 2018. In 2020, its population was 6,882. The Dacula area is home to some of the oldest buildings in northeast Georgia, such as the Elisha Winn House, which originally acted as the courthouse for Gwinnett County.