Pilot Knob Township, Washington County, Illinois

Pilot Knob Township is located in Washington County, Illinois. As of the 2010 census, its population was 555 and it contained 221 housing units.

Geography
According to the 2010 census, the township has a total area of 35.32 sqmi, of which 35.23 sqmi (or 99.75%) is land and 0.09 sqmi (or 0.25%) is water.