Median Age
42 Years
Largest Age Group
35-44 Years
Approximately 14% of Residents
Under 20
22%
Over 65
22%
Avg Rent
$615
Population
17,188
Renter Mix
44% Rent
The city of Marion is a cozy community along Interstate 57 in Southern Illinois. Marion is a major commercial hub for the region, with the Illinois Star Centre mall serving as one of the city’s most popular attractions. Downtown features a vibrant collective of cafes, neighborhood bars, and specialty shops surrounding the Old Town Square, with the iconic Marion Clock Tower serving as the centerpiece.
Southern Illinois Miners baseball games at Rent One Park attract droves of fans in the summertime, and the Marion Cultural and Civic Center brings concerts and theater productions to town throughout the year. Shawnee National Forest is only a few minutes to the southeast, providing an excellent venue for spending quality time outdoors.
Median Household Income
$46,914
Average: $67,261
Education
3,793
Residents Have a Degree
Job Market
7,596
Workers Employed
Median Age
42 Years
Largest Age Group
35-44 Years
Approximately 14% of Residents
Under 20
22%
Over 65
22%
Housing Distribution
Marion has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
As of April 2026, the average apartment rent in Marion, IL is $615 for one bedroom, $781 for two bedrooms, and $1,156 for three bedrooms. Apartment rent in Marion has increased by 0.6% in the past year.
Explore how walkable, bikeable, drivable, and transit-friendly Marion, IL is for everyday living.
Exceptionally Drivable
Drivability
Fairly Bikeable
Bikeability
Public
Grades K-5
487 Students
Public
Grades K-5
241 Students
Public
Grades K-5
487 Students
Crab Orchard Elementary School
Public
Grades PK-8
339 Students
Public
Grades PK-5
389 Students
Crab Orchard Elementary School
Public
Grades PK-8
339 Students
Public
Grades 6-8
726 Students
Williamson Co Intensive Program
Public
Grades K-12
Public
Grades 6-12
Public
Grades K-12
Public
Grades 9-12
1,159 Students
Public
Grades 9-12
149 Students
Public
Grades K-12
Public
Grades 6-12
Williamson Co Intensive Program
Public
Grades K-12
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† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.