Irwin is located in Westmoreland County, PA. The population is 3,974.
There are 3 public schools in Irwin with an average Homefacts rating of B. The total crime rate for Irwin is low , and there are 13 registered sex offenders residing in the city. Unemployment in Irwin is very high 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 North Irwin, North Huntingdon Township and Manor.