| ZIP Code | 63303 |
|---|---|
| City | Saint Charles |
| State | Missouri (MO) |
| County | Saint Charles County |
| Area Code | 314/557/636 |
| Elevation | 516 ft |
| Latitude | 38.739794 |
|---|---|
| Longitude | -90.543692 |
| Timezone | Chicago (DST) |
| FIPS | 29183 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 41.2 yrs |
|---|---|
| Avg Household Size | 2.25 |
| Below Poverty | 4.4% ▼ 56% below avg |
| College Grads | 59.3% ▲ 53% above avg |
| Unemployment | 1.8% ▼ 64% below avg |
| No HS Diploma | 125 (0.4%) |
| HS Graduate | 6,539 (19.6%) |
| Some College | 3,046 (9.1%) |
| Associates | 3,851 (11.6%) |
| Bachelors | 2,809 (8.4%) |
| Graduate Degree | 16,921 (50.8%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $98,031 ▲ 28% above avg ↑ 23% since 2019 |
|---|---|
| Median Home Value | $301,700 ▲ 8% above avg ↑ 38% since 2019 |
| Home/Income Ratio | 3.1x (nat avg ~3.5x) |
| Median Rent | $1,329/mo ↑ 22% since 2019 |
| Total Units | 21,448 |
| Vacant Units | 849 |
| Avg HH Size | 2.25 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 21,448 |
|---|---|
| Vacant | 849 |
| Owner Occupied | 75.2% |
| Renter Occupied | 24.8% |
| Avg HH Size | 2.25 |
ZIP code 63303 is located in Saint Charles, Missouri, within Saint Charles County. With a population of 46,627, this is a highly populated ZIP code with a middle-aged community — the median age is 41.2 years. Economically, 63303 is a middle-income ZIP code: the median household income of $98,031 is above the national average.
Real estate in ZIP code 63303 represents a mid-range housing market. The median home value of $301,700 is near the national average. Renters can expect to pay around $1,329 per month in median rent. Homeownership is strong here — 75.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 38% since 2019.
The population of 63303 is primarily White (78.88%). Residents are well-educated — 59.3% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.4%. Household income has grown by 23% since 2019.
The unemployment rate in 63303 stands at 1.8%, which is well below the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 77%.
Overall, ZIP code 63303 in Saint Charles, MO is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 46,627 residents, a median household income of $98,031, and a median home value of $301,700, it offers a clear picture of life in this part of Missouri.