| City : | Lockhart City |
| County : | Caldwell County, Marengo County |
| State : | Texas (TX) |
| | |
| Land Area : | 15.57 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 29.8785520 |
| Longitude : | -97.6831056 |
| | |
| Population (2010): | 12,698 |
| Population Estimate (2012) : | 12,785 |
| Population Density : | 815.29/sq mi |
| Housing Units (2012) : | 4,527 |
| Median Household Income (2012) : | $40,600 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $49,229 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $109,600 (Texas : $128,000, USA : $181,400) |