Sleepy Hollow is a village in Kane County, Illinois, United States. The population was 3,214 at the 2020 census.
Geography
Sleepy Hollow is located in northeastern Kane County. It is bordered to the north and east by the village of West Dundee and to the south and west by the city of Elgin.
According to the 2021 census gazetteer files, Sleepy Hollow has a total area of , of which (or 98.92%) is land and (or 1.08%) is water.
Sleepy Hollow is generally bounded by Randall Road to the west and Illinois Route 72 to the north. Illinois Route 31 runs east of the village limits, and Interstate 90 passes to the south.