Summit is a town in Lexington County, South Carolina, United States.

It is part of the Columbia, South Carolina Metropolitan Statistical Area.

[5] According to the United States Census Bureau, the town has a total area of 1.5 square miles (3.9 km2), all land.

23.9% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.

About 9.6% of families and 6.3% of the population were below the poverty line, including 5.7% of those under the age of eighteen and none of those 65 or over.