Median Age
40 Years
Largest Age Group
40-49 Years
Approximately 14% of Residents
Under 20
25%
Over 65
17%
O'Fallon, IL
Area Guide
Avg Rent
$1,501
Population
31,300
Renter Mix
33% Rent
A cozy enclave in the Saint Louis suburbs
Suburb
•
Commuter
•
Location
O’Fallon is a rapidly-growing suburban community located about 15 miles east of Saint Louis on Interstate 64. The close proximity to Saint Louis as well as Scott Air Force Base makes O’Fallon a highly popular home base for both civilian and military commuters. The local rental market features a wide selection of affordable single-family homes, with a range of options that includes numerous apartments and condos in the mix as well; combined with the low crime rate and excellent local schools, this has made O’Fallon one of the most popular locations for families in the Saint Louis area.
Explore the City
Discover O'Fallon's rich heritage at the Historical Museum.
A mural welcomes visitors to the downtown district.
The downtown district has something for everyone.
Enjoy shopping or having coffee at a sidewalk cafe downtown.
Peel Wood Fired Pizza is a popular destination in O'Fallon.
O'Fallon has scenic walking paths.
Demographics
Median Household Income
$104,487
Average: $124,581
Education
11,747
Residents Have a Degree
Job Market
15,911
Workers Employed
Age Distribution
Get a sense of this area's population profile.
Housing Distribution
O'fallon has more homeowners than renters.
Renters
33%
Non-Renters
67%
Education Distribution
Review this city's overall education levels.
Bachelor's or Higher
33%
Other Education
67%
Rent Trends
As of June 2026, the average apartment rent in O'Fallon, IL is $552 for a studio, $1,498 for one bedroom, $1,576 for two bedrooms, and $1,953 for three bedrooms. Apartment rent in O'Fallon has increased by 3.4% in the past year.
Property Type
Average Rent
Average Sq Ft
Apartment
$1,498/month
794 Sq Ft
House
$2,292/month
1,884 Sq Ft
Condo
$1,731/month
1,052 Sq Ft
Getting Around
Explore how walkable, bikeable, drivable, and transit-friendly O'Fallon, IL is for everyday living.
Fairly Walkable
Walkability
40
/ 100
Very Drivable
Drivability
80
/ 100
Fairly Bikeable
Bikeability
50
/ 100
Scores provided by
Schools
Estelle Kampmeyer Elementary School
Public
Grades PK-5
453 Students
Public
Grades K-8
290 Students
Marie Schaefer Elementary School
Public
Grades PK-5
640 Students
Delores Moye Elementary School
Public
Grades PK-5
620 Students
J Emmett Hinchcliffe Sr Elementary School
Public
Grades PK-5
431 Students
Public
Grades 6-8
673 Students
Public
Grades K-8
290 Students
Amelia V Carriel Jr High School
Public
Grades 6-8
652 Students
Public
Grades 6-8
676 Students
Public
Grades 9-12
2,502 Students
School data provided by
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
Points of Interest
Shopping Centers
Parks and Recreation
- Willoughby Heritage Farm
- Frank Holten State Recreation Area
- Cahokia Mounds World Heritage Site
Commuter Rail
Military Bases
Airports
- Scott AFB/Midamerica St Louis
- St Louis Lambert International
Top Apartments in O'Fallon
Houses for Rent in O'Fallon
Search Nearby Rentals
Nearby City Rentals
Nearby House Rentals
Methodology
† 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 June 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.