Mason, Illinois
2026 Edition · 10 cards · data as of Oct 30, 2026
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Population
Down 0.9% since 2020.
321
people, the 983rd-largest of Illinois's cities and towns.
Census Population Estimates, 2025. Rank among Illinois's cities and towns computed by the Almanac. Sources: Census Population Estimates
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The workday
Every job here goes to someone who lives somewhere else.
100.0%
of 2 jobs located in Mason are filled by in-commuters.
Census LEHD LODES, 2023. Sources: Census LEHD LODES
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Rent
Median rent is up 35% since the 2005–2009 survey, before inflation.
$911
a month. Illinois's median is $1,274.
Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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The seam
Cross one tract line and median rent jumps $254.
A $254 gap between neighbors, the sharpest rent edge between adjacent tracts in Effingham County.
- $570 Tract 9504
- $824 Tract 9502
Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year
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Room to build
The median rent sits inside what local wages can carry.
$688–$1,031
is the monthly rent range local workforce wages support.
- $911 median
Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year
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Building
Most of the housing here is older than 2000.
- 81% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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Units needed
None of three estimates finds a housing shortfall here.
0
is the estimated number of missing housing units, from the lowest to the highest of three estimates.
Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 69% less than Illinois's.
$82,900
median home value in Mason.
- $82,900 Mason
- $263,300 Illinois
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year