Hillsboro Township (T8N R4W) is located in Montgomery County, Illinois, United States. The population was 5,515 at the 2000 census.
Adjacent townships Butler Grove Township (north) Irving Township (northeast) East Fork Township (east & southeast) Grisham Township (south) Walshville Township (southwest) South Litchfield Township (west) North Litchfield Township (northwest)
External links US Census City-data.com Illinois State Archives Historical Society of Montgomery County