| City : | Buchanan Dam |
| County : | Llano County |
| State : | Texas (TX) |
| Land Area : | 7.75 sq mi |
| Water Area : | 12.48 sq mi |
| Latitude : | 30.8082018 |
| Longitude : | -98.4504947 |
| Population (2010): | 1,519 |
| Population Estimate (2012) : | 1,136 |
| Population Density : | 196.10/sq mi |
| Housing Units (2012) : | 1,214 |
| Median Household Income (2012) : | $44,653 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $60,488 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $111,600 (Texas : $128,000, USA : $181,400) |