O’Fallon
Illinois
City👥
Population
32,139
🎂
Median Age
36.9 yrs
💰
Median Income
$102,793
🏠
Median Home Price
$274,100
About O’Fallon
Tucked into the southwestern corner of Illinois, just 20 miles east of St. Louis, O'Fallon has quietly built a reputation as one of the most livable mid-sized cities in the Metro East region. With a population of around 32,000 residents and a community that manages to feel genuinely neighborly without sacrificing modern conveniences, it's the…
Tucked into the southwestern corner of Illinois, just 20 miles east of St. Louis, O’Fallon has quietly built a reputation as one of the most livable mid-sized cities in the Metro East region. With a population of around 32,000 residents and a community that manages to feel genuinely neighborly without sacrificing modern conveniences, it’s the kind of place that surprises people who assumed it was just another suburb. If you’re weighing a move here, here’s what you actually need to know.
A City That Fits Multiple Lifestyles
O’Fallon draws an impressively broad mix of residents — military families connected to Scott Air Force Base, young professionals commuting into St. Louis, and established families who’ve planted roots for decades. The city’s median age sits at 36.9, which tells an interesting story: this isn’t a retirement community, but it’s not a transient college town either. It’s a city in its prime working years, with enough energy to feel dynamic and enough stability to feel safe. Neighborhoods like Wingate and Hartman Commons offer newer suburban development with good schools, while older sections near downtown have a more established, tree-lined character. The downtown area along Highway 50 has been steadily revitalized, with local restaurants and small businesses giving it a more authentic identity than many comparably sized cities manage.
Cost of Living and Housing
Housing in O’Fallon is one of its strongest selling points, especially when you compare it to what similar money buys in St. Louis’s Missouri suburbs. The median home price of $274,100 gets you a solid three- or four-bedroom house with a garage and a real yard — not a compromise. You’ll find newer construction in developments on the city’s eastern and northern edges, along with more affordable resale options in well-established neighborhoods closer to the center of town. Renters have decent options too, with apartment complexes and townhomes scattered throughout the city. The median household income here is $102,793, which reflects the significant presence of dual-income households and relatively high-paying employment sectors — and it means the community has the tax base to maintain good infrastructure and services.
Employment and Economy
Scott Air Force Base is the undeniable economic anchor of the region, employing thousands and supporting a wide network of contractors, logistics firms, and defense-related businesses. Beyond the base, O’Fallon benefits from its position along Interstate 64, which makes it accessible to employers throughout the Metro East corridor and across the river in Missouri. Healthcare is another major employment sector, with facilities like HSHS St. Elizabeth’s Hospital serving both residents and the broader region. Many O’Fallon residents commute into downtown St. Louis, which is typically a 25- to 35-minute drive depending on traffic — manageable by most standards.
Lifestyle and Recreation
O’Fallon punches above its weight when it comes to parks and outdoor amenities. Milburn Park is the city’s crown jewel — a sprawling complex with sports fields, walking paths, a water park, and enough green space to actually feel like a retreat. The Renaud Spirit Center offers an impressive community recreation facility with pools, fitness equipment, and programming for all ages. The city hosts popular annual events like the Festival of the Little Hills, which draws visitors from across the region every August. For dining and nightlife, residents typically mix local spots along Highway 50 with easy access to the much broader restaurant scene across the river in St. Louis.
The Bottom Line
O’Fallon isn’t flashy, and it doesn’t try to be. What it offers instead is genuine quality of life — good schools, safe neighborhoods, reasonable housing costs, and proximity to a major metro area without the urban headaches. If you’re looking for a place to build a life rather than just pass through, it deserves serious consideration. Do yourself a favor and drive around on a weekday afternoon before you decide. More often than not, people leave with a stronger impression than they expected.
🏠 Housing & Cost of Living
Median Home Price
$274,100
Median Rent
$1,312
Homeownership Rate
70.9%
💼 Employment & Economy
Unemployment Rate
3.3%
O’Fallon Resources
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Quick Facts
- Population
- 32,139
- Diversity Index
- 27.4
- Land Area
- 15.8 sq mi
- Population Density
- 2,035/sq mi
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