| City : | Hahnville |
| County : | St. Charles Parish |
| State : | Louisiana (LA) |
| | |
| Land Area : | 5.56 sq mi |
| Water Area : | 0.95 sq mi |
| Latitude : | 29.9619529 |
| Longitude : | -90.4203091 |
| | |
| Population (2010): | 3,344 |
| Population Estimate (2012) : | 3,433 |
| Population Density : | 601.68/sq mi |
| Housing Units (2012) : | 1,387 |
| Median Household Income (2012) : | $53,060 (Louisiana : $44,673, USA : $53,046) |
| Median Family Income (2012) : | $58,245 (Louisiana : $56,047, USA : $64,585) |
| Median House Price (2012) : | $168,100 (Louisiana : $137,700, USA : $181,400) |