| Population | 357 (2010), see rank |
| House Units | 156, see rank |
| Race | Whites:90.2%, Hispanics:3.4%, Blacks:0%, Asians:7.3%, Others:2.5% |
| Total Area: | 0.21 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Texas |
| Area: | Austin-Round Rock-San Marcos, TX |
| County: | Travis County |
| City: | Lost Creek |
| Census Tract: | 001917 |
| Census Block Group: | 001917-3 |