Studio Apartment Rent in O Fallon, IL
Median asking rent for a studio apartment in O Fallon, Illinois as of August 2026. That's +31% lower than the citywide median of $1,648 and +12% below the national studio median of $1,290.
Income needed for a studio 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 studio 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 studio in Illinois
| # | City | Studio rent |
|---|---|---|
| 1 | Carbondale | $464 |
| 2 | Dixon | $610 |
| 3 | Charleston | $640 |
| 4 | Quincy | $650 |
| 5 | Macomb | $660 |
| 6 | Pekin | $660 |
| 7 | Rock Island | $680 |
| 8 | Danville | $690 |
| 9 | Moline | $700 |
| 10 | Peoria Heights | $700 |
| 11 | Normal | $720 |
| 12 | Peoria | $738 |
| 13 | Springfield | $750 |
| 14 | Decatur | $760 |
| 15 | Marion | $760 |
Most expensive cities for a studio in Illinois
| # | City | Studio rent |
|---|---|---|
| 1 | Morton Grove | $2,190 |
| 2 | Deerfield | $2,190 |
| 3 | Barrington | $2,190 |
| 4 | Wilmette | $2,100 |
| 5 | Buffalo Grove | $2,100 |
| 6 | Highland Park | $2,060 |
| 7 | Plainfield | $2,015 |
| 8 | Naperville | $1,978 |
| 9 | Vernon Hills | $1,970 |
| 10 | Streamwood | $1,970 |
| 11 | Northbrook | $1,960 |
| 12 | Bartlett | $1,940 |
| 13 | Bolingbrook | $1,925 |
| 14 | Romeoville | $1,910 |
| 15 | Elmhurst | $1,910 |
Nearby cities — studio rent
Considering nearby alternatives? 5 of these cities have cheaper studio rents than O Fallon.
| City | Distance | Studio rent | vs O Fallon |
|---|---|---|---|
| Shiloh, IL | 6.1 mi | $960 | $-170 (-15%) |
| Fairview Heights, IL | 6.2 mi | $1,030 | $-100 (-9%) |
| Swansea, IL | 6.8 mi | $1,225 | +$95 (+8%) |
| Collinsville, IL | 7.4 mi | $880 | $-250 (-22%) |
| Troy, IL | 7.8 mi | $910 | $-220 (-19%) |
| Belleville, IL | 9.2 mi | $873 | $-257 (-23%) |
| Edwardsville, IL | 16 mi | $1,020 | $-110 (-10%) |
| Granite City, IL | 16.1 mi | $840 | $-290 (-26%) |
| Wood River, IL | 20.9 mi | $840 | $-290 (-26%) |
| Saint Louis, MO | 22.6 mi | $967 | $-163 (-14%) |
| Bellefontaine Neighbors, MO | 22.9 mi | $930 | $-200 (-18%) |
| Spanish Lake, MO | 23.6 mi | $900 | $-230 (-20%) |
Studio rent in O Fallon — common questions
How much is a studio apartment in O Fallon?
As of August 2026, the median studio apartment rent in O Fallon, Illinois is $1,130 per month. This is +31% below the citywide median of $1,648.
What income do you need to afford a studio in O Fallon?
Using the standard 30% rent-to-income rule, you would need an annual income of about $45,200 ($3,767/month gross), which works out to roughly $21.73/hour at a full-time job.
Is O Fallon expensive for a studio compared to the rest of the US?
O Fallon's studio median of $1,130 is +12% below the national studio median of $1,290. It ranks in the 37th percentile of US cities tracked.
How does O Fallon rank for studio rent in Illinois?
Among the 140 cities in Illinois with studio data, O Fallon ranks #41 from cheapest to most expensive.
Are there cheaper studio options near O Fallon?
Yes — nearby cities with cheaper studio rents include Shiloh ($960), Fairview Heights ($1,030), Collinsville ($880).