South Wilmington is located in Grundy County, IL. The population is 617, making South Wilmington the 5th largest city in Grundy County.
There are 1 public schools in South Wilmington with an average Homefacts rating of A. The total crime rate for South Wilmington is very low , and there are 0 registered sex offenders residing in the city. Unemployment in South Wilmington is moderate and the median home sales price is $0. Detailed and up-to-date South Wilmington property reports are available for any property address.
Cities near South Wilmington include East Brooklyn, Greenfield Township and Gardner.