Pleasant Ridge Township is located in Livingston County, Illinois. As of the 2010 census, its population was 252 and it contained 90 housing units. Pleasant Ridge Township formed from Saunemin Township in April, 1859.
According to the 2010 census, the township has a total area of 29.32 square miles (75.9 km2), all land.
- ^ a b "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Retrieved 2013-05-28.
Coordinates: 40°47′52″N 88°24′37″W / 40.79778°N 88.41028°W