Mason, Illinois

Mason, Illinois
Location of Mason in Effingham County, Illinois.
Coordinates: 38°57′13″N 88°37′24″W / 38.95361°N 88.62333°W / 38.95361; -88.62333
CountryUnited States
StateIllinois
CountyEffingham
IncorporatedFebruary 15, 1865 (1865-02-15)
Area
 • Total
1.29 sq mi (3.35 km2)
 • Land1.29 sq mi (3.33 km2)
 • Water0.0039 sq mi (0.01 km2)
Elevation
591 ft (180 m)
Population
 (2020)
 • Total
323
 • Density250.9/sq mi (96.87/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62443
Area code618
FIPS code17-47449
GNIS ID2396740

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.