Troy Grove Township, LaSalle County, Illinois

Troy Grove Township is located in LaSalle County, Illinois. As of the 2010 census, its population was 1,333 and it contained 556 housing units.

Geography
According to the 2010 census, the township has a total area of 35.71 sqmi, of which 35.67 sqmi (or 99.89%) is land and 0.04 sqmi (or 0.11%) is water.