Erwin is located in Kingsbury County, SD. The population is 52, making Erwin the 5th largest city in Kingsbury County.
There are 0 public schools in Erwin with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the city. Unemployment in Erwin is low and the median home sales price is $0. Detailed and up-to-date Erwin property reports are available for any property address.
Cities near Erwin include Hartland Township, Garfield Township and Bryant.