| ZIP Code | 63021 |
|---|---|
| City | Ballwin |
| State | Missouri (MO) |
| County | St. Louis County |
| Area Code | 636 |
| Elevation | 561 ft |
| Latitude | 38.56984 |
|---|---|
| Longitude | -90.545689 |
| Timezone | Chicago (DST) |
| FIPS | 29189 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.4 yrs ↓ 2% since 2019 |
|---|---|
| Avg Household Size | 2.52 |
| Below Poverty | 5.0% ▼ 50% below avg |
| College Grads | 69.1% ▲ 78% above avg |
| Unemployment | 3.4% ▼ 31% below avg |
| No HS Diploma | 143 (0.4%) |
| HS Graduate | 5,200 (13.7%) |
| Some College | 2,166 (5.7%) |
| Associates | 4,166 (11%) |
| Bachelors | 2,723 (7.2%) |
| Graduate Degree | 23,434 (61.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $113,822 ▲ 49% above avg ↑ 26% since 2019 |
|---|---|
| Median Home Value | $324,300 ▲ 16% above avg ↑ 33% since 2019 |
| Home/Income Ratio | 2.8x (nat avg ~3.5x) |
| Median Rent | $1,362/mo ↑ 20% since 2019 |
| Total Units | 22,982 |
| Vacant Units | 775 |
| Avg HH Size | 2.52 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 22,982 |
|---|---|
| Vacant | 775 |
| Owner Occupied | 79.0% |
| Renter Occupied | 21.0% |
| Avg HH Size | 2.52 |
ZIP code 63021 is located in Ballwin, Missouri, within St. Louis County. With a population of 56,297, this is a highly populated ZIP code with a middle-aged community — the median age is 40.4 years. Economically, 63021 is a upper-middle-income ZIP code: the median household income of $113,822 is above the national average.
Real estate in ZIP code 63021 represents a mid-range housing market. The median home value of $324,300 is above the national average. Renters can expect to pay around $1,362 per month in median rent. Homeownership is strong here — 79.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.
The population of 63021 is primarily White (76.07%). Residents are highly educated — 69.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.0%. Household income has grown by 26% since 2019.
The unemployment rate in 63021 stands at 3.4%, which is 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 78%.
Overall, ZIP code 63021 in Ballwin, MO is characterized as upper-middle-income, highly educated, a middle-aged community, and predominantly owner-occupied. With 56,297 residents, a median household income of $113,822, and a median home value of $324,300, it offers a clear picture of life in this part of Missouri.