ZIP Code 62443
About Mason
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.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
1,771
population
$84,400
median household income
23
people / sq mi
$165,800
median home value
39.0
median age
721
housing units
684
households
77.7
land area (sq mi)