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. Geography According to the 2010 census, the township has a total area of , all land. Demographics References External links US Census City-data.com Illinois State Archives Townships in Livingston County, Illinois Populated places established in 1859 Townships in Illinois 1859 establishments in Illinois