| Zip Code : | 63017 |
| City : | Ballwin city, Chesterfield city, Clarkson Valley city, Maryland Heights city, Town and Country city |
| County : | St. Louis County |
| State : | Missouri (MO) |
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| Land Area : | 19.58 sq mi |
| Water Area : | 0.27 sq mi |
| Latitude : | 38.6513091 |
| Longitude : | -90.5312157 |
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| Population (2010): | 41,470 |
| Population Estimate (2012) : | 41,402 |
| Population Density : | 2,117.56/sq mi |
| Housing Units (2012) : | 17,735 |
| Median Household Income (2012) : | $94,029 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $114,481 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $320,700 (Missouri : $138,400, USA : $181,400) |