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City Report · MO

O Fallon

Pop. 93,801·6th most expensive in Missouri·Rental market data updated monthly for O Fallon, MO
Median rent (all units)
$1,846/mo
Year-over-Year
+1.2%
Month-over-Month
+2.6%
vs US Median
-$119
Rising (Monthly)
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Most AffordableMost Expensive
O Fallon · $1,846
More affordable than 51% of US cities · National median $1,965/mo
Rent Reality Score
61/100
Good value
OverheatedFairGreat value

Rents are 6% below what O Fallon's 10-year trend predicts — a better deal than its own history suggests.

Actual rent
$1,846/mo
Expected by trend
$1,953/mo
The Rent Reality Score compares today's median rent to where O Fallon's own long-run trajectory projects it should be. See the full rankings →
Medians by bedroom

Rent by unit size

Studio
$1,135
1 BR
$1,180
2 BR
$1,455
3 BR
$1,880
4 BR+
$2,165
Research median
$1,455/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: July 20, 2026

Annual cost
$22,152/yr
At $1,846/mo median
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 1.2% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+1.2% YoY, +2.6% MoM), not inventory.
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Demographics

Who lives here

O Fallon, MO is majority owner-occupied, 43.3% of residents hold a bachelor's degree or higher.

Population
93,801
Median age
38.4
Renters
19%
Age distribution
24.2%
20.7%
28.5%
12.2%
14.5%
Under 1824.2%
18–3420.7%
35–5428.5%
55–6412.2%
65+14.5%
Gender
48.8%
51.2%
Male48.8%
Female51.2%
Race & ethnicity
81%
White81%
Black5.3%
Hispanic5.5%
Asian4.9%
Other3.3%
Education (25+)
23.2%
29%
43.3%
No HS diploma4.6%
HS diploma23.2%
Some college29%
Bachelor's+43.3%
Housing tenure
81%
19%
Owner81%
Renter19%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How O Fallon, MO has changed in 5 years

Rent
$1,375 → $1,846
up 34.3%
Population
90,802 → 93,801
up 3.3%
Renter share
18% → 19%
+1.0 pts
Bachelor's+
43.3% → 43.3%
+0.0 pts
Median age
37.2 → 38.4
+1.2 yrs

Rent in O Fallon, MO has climbed 34.3% since 2021, going from about $1,375 per month to roughly $1,846 today. Headcount in the area went from 90,802 to 93,801 between 2021 and 2024, a 3.3% change. Reading these numbers side by side helps frame whether current listings in O Fallon, MO look reasonable against where the market sat half a decade ago.

Community

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View O Fallon rent history (2015–2026) →
Salary vs rent

Can you afford rent in O Fallon on your salary?

At $1,846/mo, how O Fallon rent compares to typical pay (30% rule).

By apartment size

O Fallon rent by bedroom count

Median rent for each apartment size in O Fallon. Click any size for full breakdown.

Local insights

Tips for renters in O Fallon

About renting in O Fallon, MO

Last updated: July 20, 2026

The median rent in O Fallon is $1,846/mo as of July 2026. A studio apartment averages $1,135/mo while a 2-bedroom runs $1,455/mo. One-bedroom apartments average $1,180/mo and 3-bedroom units go for $1,880/mo.

At 31% of estimated US median household income ($72,000/yr), O Fallon ranks as moderate compared to the national benchmark of 30%. Rents have increased 1.2% over the past year.

FAQ

Frequently asked questions

Is O Fallon an affordable city for renters?

O Fallon is considered moderate for renters. At $1,846/mo, rent takes approximately 31% of the US median household income ($72,000/yr). The standard benchmark is 30%. O Fallon slightly exceeds that threshold, so budgeting carefully matters here.

How much income do you need to rent in O Fallon?

To keep rent at or below 30% of gross income, you would need to earn at least $74,000/year (~$36/hour full-time) to afford the median rent of $1,846/mo in O Fallon.

Is rent going up or down in O Fallon?

Rent in O Fallon has increased 1.2% over the past year as of July 2026, putting upward pressure on renter budgets.

Which O Fallon neighborhoods have the lowest rent?

The most affordable ZIP codes in O Fallon are 63366 ($1,762/mo), and 63368 ($1,842/mo). Citywide, the median rent in O Fallon is $1,846/mo.

How does O Fallon rent compare to other cities in Missouri?

O Fallon is one of the pricier cities in Missouri for rent, ranking #6 out of 74 tracked cities at $1,846/mo.

Which nearby cities are cheaper to rent in than O Fallon?

Several nearby cities have lower median rents than O Fallon ($1,846/mo): Saint Charles ($1,550/mo), Lake Saint Louis ($1,652/mo), Saint Peters ($1,736/mo).

What percentage of O Fallon residents rent vs. own?

According to Census data, approximately 19% of O Fallon households are renters, while 81% are owner-occupied. O Fallon leans toward homeownership, which can mean a smaller rental inventory.

How does O Fallon rent compare to the national average?

O Fallon's median rent of $1,846/mo is $119 (6%) below the US national median of $1,965/mo. Within Missouri, it ranks #6 out of 74 tracked cities.
Income Affordability
31%
MODERATE

At $1,846/mo, rent takes ~31% of US median household income ($72,000/yr). The standard benchmark is 30%.

O Fallon 31%Benchmark 30%
State income tax2–4.7%
Run the O Fallon affordability calculator →
Lowest-rent ZIP codes in O Fallon
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Neighborhoods

Estimated from ZIP-level data

Schools nearby

Public schools near O Fallon, MO

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