| Population | 4 (2010), see rank |
| House Units | 1, see rank |
| Race | Whites:50%, Hispanics:50%, Blacks:0%, Asians:0%, Others:50% |
| Total Area: | 0.00 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Arkansas |
| County: | Fulton County |
| City: | Mammoth Spring |
| Census Tract: | 550100 |
| Census Block Group: | 550100-3 |