Dacula is a city in Gwinnett County, Georgia, United States. The population was 4,804 at the 2009 census. Dacula is located at 33°59′15″N 83°53′31″W / 33.9875°N 83.89194°W / 33.9875; -83.89194 (33.987598, -83.891926). According to the United States Census Bureau, the downtown area has a total area of 2.9 square miles (7.5 km²), all of it land.