15 ZIP Code Tabulation Areas in St. Charles County, Missouri. The population-weighted median household income is about $106,252, the median home value about $323,464, and 80.7% of occupied homes are owner-occupied.
- 15
- ZIP codes
- 423K
- Population
- 53
- Data points
St. Charles County at a glance
- $106,252
- Median household income
- $323,464
- Median home value
- 39.8
- Median age
- 80.7%
- Owner-occupied
- 170,578
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 St. Charles County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 63341 | Defiance | 3,515 | 95.5% | $170,598 |
| 2 | 63332 | Augusta | 1,651 | 96.8% | $146,146 |
| 3 | 63367 | Dardenne Prairie | 29,725 | 81.5% | $137,648 |
| 4 | 63368 | Cottleville | 46,966 | 82% | $124,297 |
| 5 | 63348 | Foristell | 10,394 | 89.1% | $115,661 |
Top 5 St. Charles County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 63376 | Cottleville | 74,962 | 81.3% | $96,393 |
| 2 | 63366 | Dardenne Prairie | 54,769 | 82.1% | $100,621 |
| 3 | 63301 | St. Charles | 52,667 | 71.8% | $85,308 |
| 4 | 63385 | Flint Hill | 51,330 | 83.9% | $112,199 |
| 5 | 63368 | Cottleville | 46,966 | 82% | $124,297 |
Top 5 St. Charles County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 63376 | Cottleville | 74,962 | 81.3% | $96,393 | $2.4B |
| 2 | 63368 | Cottleville | 46,966 | 82% | $124,297 | $1.8B |
| 3 | 63366 | Dardenne Prairie | 54,769 | 82.1% | $100,621 | $1.7B |
| 4 | 63385 | Flint Hill | 51,330 | 83.9% | $112,199 | $1.7B |
| 5 | 63304 | Cottleville | 43,195 | 87.7% | $114,442 | $1.6B |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 63368 (Cottleville) at 2,896 people/sq mi. Least dense: 63386 (West Alton) at 15 people/sq mi.
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