| Zip Code : | 78216 |
| City : | Castle Hills city, San Antonio city |
| County : | Bexar County |
| State : | Texas (TX) |
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| Land Area : | 14.29 sq mi |
| Water Area : | 0.05 sq mi |
| Latitude : | 29.5372642 |
| Longitude : | -98.4878824 |
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| Population (2010): | 40,267 |
| Population Estimate (2012) : | 37,759 |
| Population Density : | 2,817.21/sq mi |
| Housing Units (2012) : | 20,120 |
| Median Household Income (2012) : | $40,571 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $54,444 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $151,100 (Texas : $128,000, USA : $181,400) |