Living in O'Fallon, IL
Suburb in Illinois
O'Fallon is a suburb in Illinois, home to about 32,000 people, with 1.5 million living within 31 mi. Day to day, most trips are by car. Life moves at a relaxed pace, and homes are mostly houses.
Is O'Fallon a good place to live? Pros and cons
👍 Pros
- Strong healthcare: 14 top-rated (4–5★) hospitals within 31 mi
- Easy flying: STL is 27 mi away
- Safe: violent crime is 0.5× the US rate (FBI 2019)
- Affordable housing: a typical 3-bedroom home is about $319k and rents for $1,570 a month
👎 Cons
- Fewer outdoor escapes: no big hills or water close by
- Higher taxes: about $2,002 state income tax per resident, 2.1% property tax
- Quieter on culture: few museums and attractions nearby
Whether it's a good place for you depends on what you value. Take the quiz to see how O'Fallon ranks against your own priorities.
Key facts
Living in O'Fallon: common questions
What is the cost of living in O'Fallon?
A typical 3-bedroom home is worth about $319k, and a 3-bedroom rents for about $1,570 a month including utilities. Overall living costs are below the US average (index 95, where the US is 100).
What are taxes like in O'Fallon?
Illinois collects about $2,002 in state income tax per resident, and homeowners here pay about 2.1% of their home's value in property tax each year.
Is O'Fallon safe?
Violent crime is well below the national rate (0.5× in FBI 2019 data).
How are the schools in O'Fallon?
Public schools in O'Fallon test above the US average in math and reading (2018–19 state tests, put on one national scale with NAEP), with about 18 students per teacher.
What is the weather like in O'Fallon?
O'Fallon has cool winters: winter days average around 46°F and summer days around 89°F, with roughly 11″ of snow a year.
Does O'Fallon get natural disasters?
Natural disaster risk is moderate, mainly from flooding, earthquakes and heat waves: 6 federally declared disasters have hit the county since 2000, and FEMA expects about 1.47 deaths or injuries per 100,000 residents a year.
What is the nearest major airport to O'Fallon?
The nearest major airport is STL, about 27 mi away.
How O'Fallon scores
Each bar compares O'Fallon with the other 1,990 places in Best Life Fit Me. A dot shows where it sits between two ends, such as major metro and small town; neither end is better. Coloured bars run from poor (red) to excellent (green).
Places like O'Fallon
These places have the most similar overall profile across all 24 aspects.
The circle is each place's all-round score out of 100: the average of its 15 quality scores, from red (poor) to green (excellent).
Nearby
See all the best places to live in Illinois.
Is O'Fallon right for you?
Answer 27 quick questions and see how it ranks against your priorities.