| City : | Smithville City |
| County : | Dekalb County |
| State : | Tennessee (TN) |
| | |
| Land Area : | 5.91 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 35.9583130 |
| Longitude : | -85.8211492 |
| | |
| Population (2010): | 4,530 |
| Population Estimate (2012) : | 4,541 |
| Population Density : | 766.72/sq mi |
| Housing Units (2012) : | 2,040 |
| Median Household Income (2012) : | $26,035 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $35,102 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $92,100 (Tennessee : $138,700, USA : $181,400) |