Fountain Creek Township is one of twenty-six townships in Iroquois County, Illinois, USA. As of the 2010 census, its population was 368 and it contained 145 housing units. Fountain Creek Township formed from a portion of Ash Grove Township on September 15, 1868.
Geography
According to the 2010 census, the township has a total area of , all land. Nearly all of the township consists of flat, open farmland. Two small waterways, Fountain Creek and Whiskey Creek, flow northeast across the township and meet north of Goodwine.
A Union Pacific rail line connecting Chicago and St. Louis runs northeast-to-southwest through the eastern half of the township, and a branch of the defunct Chicago and Eastern Illinois Railroad crosses it near the northern border.
Unincorporated towns
Claytonville at , half a mile from the northern edge of the township on County Road 1600 East. Fountain Creek at on County Road 200 North. Goodwine at , two miles east of Claytonville on County Road 1800 East. (This list is based on USGS data and may include former settlements.)
Cemeteries
The township contains one cemetery: Old Apostolic, near Fountain Creek.