Irwin is an unincorporated community and census-designated place (CDP) in Lancaster County, South Carolina, United States. The population was 1,405 at the 2010 census.
Irwin is known for its small mill homes. This was a thriving community in Lancaster County when the Springs Industries was a thriving business from 1950 to 2002.
Geography
Irwin is located in western Lancaster County. It is bordered to the east by Springdale, and Lancaster, the county seat, is to the northeast. The Irwin CDP includes the neighborhood of Gooch Crossroad. Cane Creek forms the northern border of the CDP, and Rum Creek, a tributary of Cane Creek, forms the southern border.
According to the United States Census Bureau, the CDP has a total area of , of which , or 0.01%, are water. Via Cane Creek, Irwin is part of the Catawba River watershed.
Demographics
As of the census