| City : | St. Clairsville City |
| County : | Belmont County |
| State : | Ohio (OH) |
| Land Area : | 2.42 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 40.0782737 |
| Longitude : | -80.8991733 |
| Population (2010): | 5,184 |
| Population Estimate (2012) : | 5,169 |
| Population Density : | 2,143.83/sq mi |
| Housing Units (2012) : | 2,531 |
| Median Household Income (2012) : | $50,593 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $61,227 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $140,200 (Ohio : $133,700, USA : $181,400) |
St. Clairsville City Zip Codes
| 43950 (16,762) |