Rent in O'Fallon, IL
A 2-bedroom in O'Fallon, IL (ZIP 62269) typically rents for about $1,423 a month, with a range of $1,275–$1,570. Owner-occupied homes in St. Clair County pay about 2.03% of their value a year in property tax, and the 30-year fixed mortgage rate averaged 7.32% in the week of Oct 22, 2026.
Rent by bedrooms
| Size | Typical | Range across ZIPs | ZIPs |
|---|---|---|---|
| Studio | $1,240 | $1,064–$1,240 | 1 |
| 1 bed | $1,189 | $1,087–$1,290 | 1 |
| 2 beds | $1,423 | $1,275–$1,570 | 1 |
| 3 beds | $1,848 | $1,686–$2,010 | 1 |
| 4 beds | $2,218 | $2,116–$2,320 | 1 |
Typical = median of each ZIP's best guess. Gross rent (rent plus tenant-paid utilities). Sources: HUD Small Area Fair Market Rents (Oct 1, 2026), Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).
O'Fallon ZIP codes
2 bedsFrequently asked questions
- What is the average rent for a 2-bedroom in O'Fallon, IL?
- About $1,423 a month: the median of the typical rents in 1 ZIP code, which range from $1,275–$1,570. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 1-bedroom in O'Fallon, IL?
- About $1,189 a month: the median of the typical rents in 1 ZIP code, which range from $1,087–$1,290. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 3-bedroom in O'Fallon, IL?
- About $1,848 a month: the median of the typical rents in 1 ZIP code, which range from $1,686–$2,010. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a studio in O'Fallon, IL?
- About $1,240 a month: the median of the typical rents in 1 ZIP code, which range from $1,064–$1,240. Figures are gross rent (rent plus tenant-paid utilities).
- What is the average rent for a 4-bedroom in O'Fallon, IL?
- About $2,218 a month: the median of the typical rents in 1 ZIP code, which range from $2,116–$2,320. Figures are gross rent (rent plus tenant-paid utilities).
- What is the property tax rate in O'Fallon, IL?
- Owner-occupied homes in St. Clair County pay a typical 2.03% of their value a year (Census ACS, median taxes paid ÷ median home value, Dec 31, 2024). Investors often pay more after a purchase: the home is reassessed at the sale price and there is no homestead exemption.
- What is the current 30-year mortgage rate?
- The 30-year fixed rate averaged 7.32% in the week of Oct 22, 2026 (Freddie Mac PMMS via FRED). It's a national average for owner-occupied loans; investment property loans usually cost more.
- Where do these O'Fallon rent figures come from?
- HUD Small Area Fair Market Rents (Oct 1, 2026), Census ACS 5-year median gross rent (Dec 31, 2024) and HUD county Fair Market Rents (Oct 1, 2026).