Rent is higher than in 63% of U.S. cities. A typical house costs under 3 years of household income, which is easy by U.S. standards. Most homes (81%) are owned, so rentals can be hard to find.
How much money do I need?
To rent here comfortably, you should earn about $75,760 a year. That is $36 an hour at a full-time job.
Is rent cheaper than other Missouri cities?
No. Rent here is more expensive than in most of Missouri. It is number 127 of 142 cities from cheapest to most expensive.
How much do households earn in O'Fallon?
Share of households by yearly income. 44.2% of households earn $100,000 or more.
Rent by apartment size in O'Fallon
| Size | O'Fallon | U.S. average |
|---|---|---|
| Studio | $1,787 | $1,338 |
| 1 bedroom | $1,466 | $1,324 |
| 2 bedrooms | $1,516 | $1,509 |
| 3 bedrooms | $1,792 | $1,698 |
| 4 bedrooms | $2,829 | $2,098 |
Median monthly rent plus utilities for all renters, by number of bedrooms.
How expensive is O'Fallon overall?
Everyday prices in Missouri overall are 9% below the U.S. average (index 90.8, U.S. = 100).
Source: U.S. Bureau of Economic Analysis, Regional Price Parities 2024. City-level data is not published for O'Fallon, so the Missouri figure is shown.
Taxes and bills in O'Fallon
Life in O'Fallon
Is it cheaper to rent or buy in O'Fallon?
Renting is cheaper right now: about $369 a month less.
Owning assumes a typical $326,200 home, 10% down, a 30-year loan at 6.5% and about 1.5% a year for taxes and insurance. You would also need $32,620 for the down payment.
Frequently asked questions
What is the average rent in O'Fallon, MO?
Renting in O'Fallon costs a median of about $1,894 a month in 2026, including utilities. The Missouri median is $1,285.
How much do I need to make to live in O'Fallon?
To keep rent under 30% of income, you need about $75,760 a year, or $36 an hour at a full-time job.
Is O'Fallon cheap or expensive?
O'Fallon is rated Cheap: rent takes 19.1% of the typical household income of $119,113. It ranks 127th cheapest of 142 Missouri cities we track.
How much are property taxes in O'Fallon?
The median homeowner in O'Fallon pays $3,609 a year in property taxes, about 1.11% of the median home value.
Is O'Fallon more expensive than the national average?
Overall prices in Missouri are 9% below the U.S. average, according to the U.S. Bureau of Economic Analysis.
How much does a house cost in O'Fallon?
The median home value in O'Fallon is $326,200, about 2.7 times the typical yearly household income.
93,801 people live in O'Fallon. Numbers are typical (middle) values.