| County : | Marshall County |
| State : | Tennessee (TN) |
| Land Area : | 375.46 sq mi |
| Water Area : | 0.70 sq mi |
| Latitude : | 35.4683866 |
| Longitude : | -86.7658862 |
| Population (2010): | 30,617 |
| Population Estimate (2012) : | 30,585 |
| Population Density : | 81.55/sq mi |
| Housing Units (2012) : | 13,119 |
| Median Household Income (2012) : | $40,687 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $50,542 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $107,800 (Tennessee : $138,700, USA : $181,400) |
Marshall County Cities / Towns
| Chapel Hill Town (1,445) | Cornersville Town (1,194) | Lewisburg City (11,100) |
| Petersburg Town (544) |
Marshall County Zip Codes
| 37019 (694) | 37034 (6,591) | 37046 (3,665) |
| 37047 (2,345) | 37091 (21,005) | 37144 (3,344) |
| 38401 (54,469) | 38451 (4,814) | 38472 (2,656) |