Marietta is a village in Fulton County, Illinois, United States. The population was 101 at the 2020 census.
Geography
Marietta is located in western Fulton County along Illinois Route 95, which leads east to Cuba and west to Illinois Route 41 at a point south of Bushnell.
According to the 2010 census, Marietta has a total area of , all land.
Demographics
As of the 2020 census