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Mason, IL

View of Mason, IL
Image credit: Joe K Gage / CC BY-SA 2.0
Population
321
U.S. Census Population Estimates Program · 2025
Elevation
577 ft
Median Home Value
$82,900
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$911/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$65,455
U.S. Census American Community Survey 5-Year · 2024

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Mason in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityEffingham, Illinois12 miles away · 12,406 residents.

About Mason

Mason is an incorporated town in Effingham County, Illinois, United States. The 2020 census counted 323 residents. Mason is part of the Effingham, IL Micropolitan Statistical Area. Mason is located in southern Effingham County. In Mason, history and present-day settings sit close enough to belong to the same local picture. The map tells the story in Mason, where earlier chapters remain visible in current streets, buildings, and gathering places. Illinois Route 37 passes through the town, leading northeast 6 miles to Watson and southwest 3 miles to Edgewood.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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