Spring Grove, Illinois
Spring Grove is a village in McHenry County, Illinois, United States. It is a commuter village within the Chicago metropolitan area. The population was 5,778 according to the 2010 census, up from 5,303 in 2005 and 3,880 in 2000. It is also home to Chain O'Lakes State Park. The current village president is Mark Eisenberg. The first tower grain silo was built in Spring Grove in 1873.