Oakdale Township, Washington County, Illinois

Oakdale Township is located in Washington County, Illinois. As of the 2010 census, its population was 594 and it contained 253 housing units. Oakdale has a public school called Oakdale Grade School.

Geography
According to the 2010 census, the township has a total area of 37.45 sqmi, of which 37.39 sqmi (or 99.84%) is land and 0.06 sqmi (or 0.16%) is water.