ZIP Code · MO

ZIP 63368

Part of O Fallon, MO

Pop. 46,966·Saint Charles County·19th most expensive ZIP in Missouri

Median rent (all units)

$1,725/mo

Year-over-Year

+2.9%

Month-over-Month

Stable

vs US Median

-$207

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 63368 · $1,725

More affordable than 56% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,230

1 BR

$1,280

2 BR

$1,570

3 BR

$2,020

4 BR+

$2,340

Research median

$1,570/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: October 17, 2026

From the history

What the numbers show

Cheapest month to sign

January. Asking rents in ZIP 63368 usually run 1.5% below trend in January and 0.9% above it in July, about $41 a month apart at today's median. Based on 5 years of data.

Compared with the peak

Rent in ZIP 63368 is 0% below its high of $1,725 in August 2026, at $1,725 as of September 2026.

Past year vs. the rest of Missouri

Rent in ZIP 63368 changed +2.9% over the year to September 2026. Across the 119 Missouri ZIP codes Zillow tracks, the typical change was +4.6%.

What a typical income covers

30% of the median household income ($124,297) is $3,107 a month. That covers HUD's Fair Market Rent for up to a 4-bedroom ($2,340).

From Zillow's monthly rent index (ZORI) for ZIP 63368. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$20,700/yr

At $1,725/mo median

Location

CityO Fallon

StateMO

CountySaint Charles County

Rent Market Meter

Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are climbing (2.9% YoY), so leverage tilts toward landlords. Act sooner rather than later.

Based on rent-price momentum (+2.9% YoY, +0.0% MoM), not inventory.

Demographics

Who lives here

ZIP 63368 (O Fallon, MO) is majority owner-occupied, has a large share of families with children, has a median income above the national average, 50.9% of residents hold a bachelor's degree or higher.

Population

46,966

Median income

$124,297

Median age

Renters

18%

Age distribution

25.5%

20.5%

27.5%

13.8%

12.8%

Under 1825.5%

18–3420.5%

35–5427.5%

55–6413.8%

65+12.8%

Gender

48.5%

51.5%

Male48.5%

Female51.5%

Race & ethnicity

82.6%

White82.6%

Black3.8%

Hispanic3.6%

Asian6.6%

Other3.3%

Education (25+)

18.4%

27.4%

50.9%

No HS diploma3.3%

HS diploma18.4%

Some college27.4%

Bachelor's+50.9%

Housing tenure

82%

18%

Owner82%

Renter18%

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

2021 vs 2026

How ZIP 63368 in O Fallon, MO has changed in 5 years

Rent

$1,286 → $1,725

up 34.1%

Income

$107,266 → $124,297

up 15.9%

Population

45,246 → 46,966

up 3.8%

Renter share

16.4% → 18%

+1.6 pts

Bachelor's+

50.5% → 50.9%

+0.4 pts

Rent in ZIP 63368 in O Fallon, MO has increased 34.1% since 2021, going from about $1,286 per month to roughly $1,725 today. On the earnings side, the typical household in ZIP 63368 in O Fallon, MO now reports about $124,297, up from $107,266 in 2021. Rent outpaced income growth by roughly 18.2 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 45,246 to 46,966 between 2021 and 2024, a 3.8% change. About 18% of households rent today, against 16.4% in 2021. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 63368 in O Fallon, MO reflects that arc in its own way.

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About renting in ZIP 63368

Last updated: October 17, 2026

ZIP code 63368 covers O Fallon, MO. The median rent here is $1,725/mo as of October 2026. A 1-bedroom rents for a median of $1,280/mo. A 2-bedroom rents for a median of $1,570/mo.

At 17% of local median household income ($124,297/yr), ZIP 63368 ranks as affordable compared to the national benchmark of 30%. Rents have increased 2.9% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 63368?

To keep rent at or below 30% of gross income, you would need to earn at least $69,000/year (about $33/hour full-time) to afford the median rent of $1,725/mo in ZIP 63368. The local median household income is $124,297/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 63368?

Rent in ZIP 63368 has risen 2.9% over the past year as of September 2026. It sits 0% below its high of $1,725 in August 2026.

When is the cheapest time to rent in ZIP 63368?

Asking rents in ZIP 63368 are usually lowest in January, about 1.5% below their yearly trend, and highest in July, about 0.9% above it. At today's median that is a gap of roughly $41 a month. This pattern comes from 5 years of Zillow rent data.

How does ZIP 63368 compare to other ZIPs in Missouri?

ZIP 63368 is one of the pricier among Missouri ZIP codes for rent, ranking #19 of 137 at $1,725/mo. Over the year to September 2026, rent in ZIP 63368 changed +2.9%, against a typical +4.6% across the 119 Missouri ZIP codes Zillow tracks.