Dock Junction is an unincorporated community and census-designated place (CDP) in Glynn County, Georgia, United States. It is part of the Brunswick metropolitan statistical area. The population was 7,721 at the 2010 census, growing to 8,266 in 2020. Its original name was Arco until the 1970s, the name deriving from the Atlantic Refining Company.
Dock Junction is located at (31.201106, -81.506921).
According to the United States Census Bureau, the CDP has a total area of , of which is land and (10.66%) is water.
Dock Junction was first listed as an unincorporated place in 1950 and designated a census designated place in 1980.
As of the 2020 United States census, there were 8,266 people, 2,976 households, and 1,942 families residing in the CDP.
The community's public schools are operated by Glynn County School System.
Zoned schools serving sections of the CDP include: