Mason Illinois

Mason is an incorporated town in Effingham County, Illinois, United States. The population was 323 at the 2020 census. It was named after Roswell Mason, an official of the Illinois Central Railroad. Mason is part of the Effingham, IL Micropolitan Statistical Area.
  • Elevation: 571 ft (174 m)
  • Country: United States
  • State: Illinois
  • County: Effingham
  • Incorporated: February 15, 1865
  • ZIP Code(s): 62443
  • Area code: 618
Data from: en.wikipedia.org