Edgington is an unincorporated community in Rock Island County, Illinois, United States. Edgington is located on Illinois Route 192, southwest of Andalusia. As of the 2020 census, Edgington had a population of 391.
The Edgington post office closed in 1920. The community's name honors Daniel and John Edgington, pioneer settlers.
Edgington first appeared as a census designated place in the 2020 U.S. census.
It is in the Rockridge Community Unit School District 300.