| Zip Code : | 38372 |
| City : | Olivet, Savannah city, Walnut Grove |
| County : | Hardin County |
| State : | Tennessee (TN) |
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| Land Area : | 318.16 sq mi |
| Water Area : | 9.61 sq mi |
| Latitude : | 35.1655813 |
| Longitude : | -88.1490113 |
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| Population (2010): | 17,595 |
| Population Estimate (2012) : | 17,754 |
| Population Density : | 55.30/sq mi |
| Housing Units (2012) : | 8,459 |
| Median Household Income (2012) : | $32,891 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $37,185 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $99,500 (Tennessee : $138,700, USA : $181,400) |