Irvington Township, Washington County, Illinois

Irvington Township is in Washington County, Illinois. As of the 2010 census, its population was 1,285 and it contained 593 housing units. Irvington Township was named for Washington Irving.

Geography
According to the 2010 census, the township has a total area of 48.56 sqmi, of which 48.44 sqmi (or 99.75%) is land and 0.11 sqmi (or 0.23%) is water.