Kirkwood is a village in Warren County, Illinois, United States.

According to the 2010 census, Kirkwood has a total area of 0.92 square miles (2.38 km2), all land.

There were 322 housing units at an average density of 354.3 per square mile (136.8/km2).

20.2% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older.

[6] Rowley, Mildred I., The History of Kirkwood, Illinois and Tompkins Township, Warren County, Bicentennial Heritage Committee, 1976.