| ZIP Code | 63366 |
|---|---|
| City | O Fallon |
| State | Missouri (MO) |
| County | Saint Charles County |
| Area Code | 636 |
| Elevation | 437 ft |
| Latitude | 38.857457 |
|---|---|
| Longitude | -90.725305 |
| Timezone | Chicago (DST) |
| FIPS | 29183 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.2 yrs ↑ 3% since 2019 |
|---|---|
| Avg Household Size | 2.64 |
| Below Poverty | 5.9% ▼ 41% below avg |
| College Grads | 42.9% ▲ 11% above avg |
| Unemployment | 3.3% ▼ 32% below avg |
| No HS Diploma | 335 (0.9%) |
| HS Graduate | 10,216 (28.4%) |
| Some College | 4,308 (12%) |
| Associates | 5,660 (15.7%) |
| Bachelors | 3,012 (8.4%) |
| Graduate Degree | 12,430 (34.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $98,237 ▲ 29% above avg ↑ 28% since 2019 |
|---|---|
| Median Home Value | $283,900 ≈ Avg ↑ 39% since 2019 |
| Home/Income Ratio | 2.9x (nat avg ~3.5x) |
| Median Rent | $1,274/mo ↑ 32% since 2019 |
| Total Units | 21,204 |
| Vacant Units | 646 |
| Avg HH Size | 2.64 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 21,204 |
|---|---|
| Vacant | 646 |
| Owner Occupied | 81.1% |
| Renter Occupied | 18.9% |
| Avg HH Size | 2.64 |
ZIP code 63366 is located in O Fallon, Missouri, within Saint Charles County. With a population of 54,449, this is a highly populated ZIP code with a middle-aged community — the median age is 39.2 years. Economically, 63366 is a middle-income ZIP code: the median household income of $98,237 is above the national average.
Real estate in ZIP code 63366 represents a mid-range housing market. The median home value of $283,900 is near the national average. Renters can expect to pay around $1,274 per month in median rent. Homeownership is strong here — 81.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.
The population of 63366 is primarily White (81.45%). Residents are well-educated — 42.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 5.9%. Household income has grown by 28% since 2019.
The unemployment rate in 63366 stands at 3.3%, which is below the national average. About 14% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.
Overall, ZIP code 63366 in O Fallon, MO is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 54,449 residents, a median household income of $98,237, and a median home value of $283,900, it offers a clear picture of life in this part of Missouri.