Irwin is located in Lancaster County, SC. The population is 1,477, making Irwin the 5th largest city in Lancaster County.
There are 0 public schools in Irwin with an average Homefacts rating of NA. The total crime rate for Irwin is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in Irwin is moderate and the median home sales price is $0. Detailed and up-to-date Irwin property reports are available for any property address.
Cities near Irwin include Springdale, Lancaster and Fort Lawn.