South Coatesville is a borough that is located in Chester County, Pennsylvania, United States.

[3] According to the United States Census Bureau, the borough has a total area of 1.7 square miles (4.4 km2), all land.

At the time of the 2000 census, there were 997 people, 376 households, and 263 families living in the borough.

There were 419 housing units at an average density of 246.3 per square mile (95.1/km2).

25.8% of households were made up of individuals, and 13.0% were one person aged sixty-five or older.