Richland Grove Township, Mercer County, Illinois

Richland Grove Township is located in Mercer County, Illinois. As of the 2010 census, its population was 2,300 and it contained 965 housing units.

Geography
According to the 2010 census, the township has a total area of 36.59 sqmi, of which 36.34 sqmi (or 99.32%) is land and 0.25 sqmi (or 0.68%) is water.