[6] According to the United States Census Bureau, the town has a total area of 0.5 square miles (1.3 km2), all land.

There were 131 housing units at an average density of 240.8 per square mile (93.0/km2).

16.7% of all households were made up of individuals, and 7.0% had someone living alone who was 65 years of age or older.

About 13.6% of families and 11.9% of the population were below the poverty line, including 18.5% of those under the age of eighteen and none of those 65 or over.

[9] South Gibson County High School is a comprehensive high school of the district in Medina, which includes Gibson in its attendance boundary.