US ZIP Code
63368

O Fallon, MO

Saint Charles County  ·  Missouri

● Active
👥 45,862 Population
💰 $118,811 Median HH Income
▲ 56% above avg ↑ 15% since 2019
🎂 38.1 Median Age
🏠 $327,700 Median Home Value
▲ 18% above avg ↑ 32% since 2019
🎓 58.2% College Grads
▲ 50% above avg
📊 2.5% Unemployment
▼ 48% below avg ↓ 17% since 2019
ZIP Code Details
ZIP Code63368
CityO Fallon
StateMissouri (MO)
CountySaint Charles County
Area Code636
Elevation507 ft
Latitude38.751545
Longitude-90.728422
TimezoneChicago (DST)
FIPS29183
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.1% (22,527) Female 50.9% (23,335) ♀

Race & Ethnicity

White: 83.8%Hispanic: 3.3%Black: 3.6%Asian: 5.4%Other: 3.2%Race
White83.8%
Hispanic3.3%
Black3.6%
Asian5.4%
Other3.2%

Age Breakdown

Under 5
6%
5–17
19%
18–24
7%
25–44
27%
45–64
28%
65+
5%

Key Indicators

Median Age38.1 yrs
Avg Household Size2.69
Below Poverty3.7% ▼ 64% below avg
College Grads58.2% ▲ 50% above avg
Unemployment2.5% ▼ 48% below avg
No HS Diploma391 (1.3%)
HS Graduate5,360 (17.7%)
Some College2,899 (9.6%)
Associates4,007 (13.2%)
Bachelors2,880 (9.5%)
Graduate Degree14,706 (48.6%)

Education

No HS: 1.3%HS Grad: 17.7%Some College: 9.6%Associates: 13.2%Bachelors: 9.5%Graduate: 48.6%Edu
No HS1.3%
HS Grad17.7%
Some College9.6%
Associates13.2%
Bachelors9.5%
Graduate48.6%
Housing & Income

Housing Tenure

Owner: 81.4%Renter: 18.6%Tenure
Owner81.4%
Renter18.6%

Home Value Distribution

Under $50k
4%
$50k–100k
1%
$100k–150k
2%
$150k–200k
7%
$200k–300k
28%
$300k–500k
46%
Over $500k
12%

Financials

Median HH Income$118,811 ▲ 56% above avg ↑ 15% since 2019
Median Home Value$327,700 ▲ 18% above avg ↑ 32% since 2019
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$1,442/mo ↑ 14% since 2019
Total Units17,315
Vacant Units367
Avg HH Size2.69

Income Distribution

Under $25k
5%
$25k–50k
7%
$50k–75k
11%
$75k–100k
15%
$100k–150k
24%
$150k–200k
17%
Over $200k
20%
Employment & Commute

How People Get to Work

Drove Alone
82%
Public Transit
0%
Walked
1%
Work From Home
18%

Commute Time

Under 15 min
21%
15–30 min
37%
30–45 min
31%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
0%
1960s–1970s
6%
1980s–1990s
38%
2000+
56%

Summary

Total Units17,315
Vacant367
Owner Occupied81.4%
Renter Occupied18.6%
Avg HH Size2.69
Frequently Asked Questions
ZIP code 63368 is in O Fallon, MO, in Saint Charles County.
ZIP code 63368 is located in Missouri (MO).
ZIP code 63368 is in Saint Charles County, MO.
ZIP 63368 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 63368 is 45,862 people (ACS 2023).
The median household income in ZIP code 63368 is $118,811 (ACS 2023).
The median home value in ZIP 63368 is $327,700 (ACS 2023).
About ZIP Code 63368

ZIP code 63368 is located in O Fallon, Missouri, within Saint Charles County. With a population of 45,862, this is a highly populated ZIP code with a middle-aged community — the median age is 38.1 years. Economically, 63368 is a upper-middle-income ZIP code: the median household income of $118,811 is significantly above the national average.

Real estate in ZIP code 63368 represents a mid-range housing market. The median home value of $327,700 is above the national average. Renters can expect to pay around $1,442 per month in median rent. Homeownership is strong here — 81.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 32% since 2019.

The population of 63368 is primarily White (83.80%). Residents are well-educated — 58.2% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.7%. Household income has grown by 15% since 2019.

The unemployment rate in 63368 stands at 2.5%, which is below the national average. About 16% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 63368 in O Fallon, MO is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 45,862 residents, a median household income of $118,811, and a median home value of $327,700, it offers a clear picture of life in this part of Missouri.