4+ Bedroom Apartment Rent in O Fallon, IL
Median asking rent for a 4+ bedroom apartment in O Fallon, Illinois as of July 2026. That's +34% higher than the citywide median of $1,599 and +15% below the national 4+ bedroom median of $2,520.
Income needed for a 4+ bedroom in O Fallon
Using the standard 30% rent-to-income guideline (the threshold above which households are considered rent-burdened), here's what you need to earn to comfortably afford a 4+ bedroom at the current median rent.
Rent by apartment size in O Fallon
Compare O Fallon's median rent across every apartment size.
Cheapest cities for a 4+ bedroom in Illinois
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Rantoul | $1,011 |
| 2 | Pekin | $1,250 |
| 3 | Quincy | $1,290 |
| 4 | Dixon | $1,300 |
| 5 | Charleston | $1,320 |
| 6 | Savoy | $1,340 |
| 7 | Danville | $1,360 |
| 8 | Urbana | $1,380 |
| 9 | Normal | $1,390 |
| 10 | Peoria | $1,407 |
| 11 | Carbondale | $1,410 |
| 12 | Washington | $1,430 |
| 13 | Bloomington | $1,450 |
| 14 | Macomb | $1,450 |
| 15 | Kankakee | $1,510 |
Most expensive cities for a 4+ bedroom in Illinois
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Morton Grove | $3,980 |
| 2 | Lake Forest | $3,980 |
| 3 | Deerfield | $3,980 |
| 4 | Barrington | $3,980 |
| 5 | Wilmette | $3,820 |
| 6 | Buffalo Grove | $3,820 |
| 7 | Highland Park | $3,760 |
| 8 | Plainfield | $3,685 |
| 9 | Naperville | $3,600 |
| 10 | Vernon Hills | $3,590 |
| 11 | Streamwood | $3,590 |
| 12 | Northbrook | $3,580 |
| 13 | Bartlett | $3,530 |
| 14 | Bolingbrook | $3,505 |
| 15 | Romeoville | $3,490 |
Nearby cities — 4+ bedroom rent
Considering nearby alternatives? 5 of these cities have cheaper 4+ bedroom rents than O Fallon.
| City | Distance | 4+ Bedroom rent | vs O Fallon |
|---|---|---|---|
| Shiloh, IL | 6.1 mi | $1,830 | $-310 (-14%) |
| Fairview Heights, IL | 6.2 mi | $1,960 | $-180 (-8%) |
| Collinsville, IL | 7.4 mi | $1,680 | $-460 (-21%) |
| Troy, IL | 7.8 mi | $1,720 | $-420 (-20%) |
| Belleville, IL | 9.2 mi | $1,673 | $-467 (-22%) |
| Edwardsville, IL | 16 mi | $1,930 | $-210 (-10%) |
| Granite City, IL | 16.1 mi | $1,640 | $-500 (-23%) |
| Wood River, IL | 20.9 mi | $1,640 | $-500 (-23%) |
| Glasgow Village, MO | 22.5 mi | $1,731 | $-409 (-19%) |
| Saint Louis, MO | 22.6 mi | $1,851 | $-289 (-14%) |
| Bellefontaine Neighbors, MO | 22.9 mi | $1,770 | $-370 (-17%) |
| Spanish Lake, MO | 23.6 mi | $1,710 | $-430 (-20%) |
4+ Bedroom rent in O Fallon — common questions
How much is a 4+ bedroom apartment in O Fallon?
As of July 2026, the median 4+ bedroom apartment rent in O Fallon, Illinois is $2,140 per month. This is +34% higher than the citywide median of $1,599.
What income do you need to afford a 4+ bedroom in O Fallon?
Using the standard 30% rent-to-income rule, you would need an annual income of about $85,600 ($7,133/month gross), which works out to roughly $41.15/hour at a full-time job.
Is O Fallon expensive for a 4+ bedroom compared to the rest of the US?
O Fallon's 4+ bedroom median of $2,140 is +15% below the national 4+ bedroom median of $2,520. It ranks in the 34th percentile of US cities tracked.
How does O Fallon rank for 4+ bedroom rent in Illinois?
Among the 139 cities in Illinois with 4+ bedroom data, O Fallon ranks #42 from cheapest to most expensive.
Are there cheaper 4+ bedroom options near O Fallon?
Yes — nearby cities with cheaper 4+ bedroom rents include Shiloh ($1,830), Fairview Heights ($1,960), Collinsville ($1,680).