Richfield is an unincorporated community in Richfield Township, Adams County, Illinois, United States. As of the 2020 census, Richfield had a population of 26. Richfield is east of Payson.
Richfield first appeared as a census designated place in the 2020 U.S. census.
The school district is Payson Community Unit School District 1. The comprehensive high school of that district is Payson-Seymour High School.