| Place Name | Spencer Mountain |
| Place Type | Town |
| ZIP Code(s) | 28054 28056 |
| County | Gaston County |
| Area Code(s) | 704,980 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 27 |
| Population Growth Rate (2010-19) | -100.00% |
| Metro/Micro Stats Area | Charlotte-Concord-Gastonia, NC-SC |
| US Congressional District(s) | North Carolina 10th |
| State House Districts | 108 |
| State Senate Districts | 43 |