Barwick had its start in the early 1890s when the railroad was extended to that point.

[5] The community was named after R. H. Barwick, a Primitive Baptist leader.

[6] Barwick was incorporated by the Georgia General Assembly as a town in 1903.

[8] According to the United States Census Bureau, the city has a total area of 0.73 square miles (1.9 km2), of which 0.031 square miles (0.08 km2), or 4.16%, is water.

[9] At the census of 2000, there were 444 people, 181 households, and 110 families residing in the town.