| Population | 164 (2010), see rank |
| House Units | 64, see rank |
| Race | Whites:93.3%, Hispanics:3%, Blacks:0%, Asians:0.6%, Others:6.1% |
| Total Area: | 0.03 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Wyoming |
| Area: | Gillette, WY |
| County: | Campbell County |
| City: | Sleepy Hollow |
| Census Tract: | 000200 |
| Census Block Group: | 000200-3 |