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

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

As of the census[4] of 2000, there were 553 people, 192 households, and 147 families residing in the town.

There were 211 housing units at an average density of 60.9 per square mile (23.5/km2).

20.3% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older.