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Mason, Illinois - Wikipedia
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. See more
Mason is located in southern Effingham County. Illinois Route 37 passes through the town, leading northeast 6 miles (10 km) to Watson and southwest 3 miles (5 km) to See more
As of the 2020 census there were 323 people, 107 households, and 74 families residing in the town. The population density was 250.00 inhabitants per square mile (96.53/km ). … See more
• Lowell Bayles, air race pilot
• Ada Kepley, author and first American woman to graduate law school, owned a farm in Mason township See moreWikipedia text under CC-BY-SA license Mason, IL Map & Directions - MapQuest
Mason, IL Real Estate & Homes for Sale | realtor.com®