| Zip Code : | 43950 |
| City : | Bannock, Glencoe, Lafferty, New Athens village, St. Clairsville city |
| County : | Harrison County, Belmont County |
| State : | Ohio (OH) |
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| Land Area : | 87.70 sq mi |
| Water Area : | 1.02 sq mi |
| Latitude : | 40.0968894 |
| Longitude : | -80.9246687 |
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| Population (2010): | 16,762 |
| Population Estimate (2012) : | 17,015 |
| Population Density : | 191.12/sq mi |
| Housing Units (2012) : | 6,459 |
| Median Household Income (2012) : | $53,223 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $63,750 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $133,300 (Ohio : $133,700, USA : $181,400) |