| County : | St. Charles Parish |
| State : | Louisiana (LA) |
| Land Area : | 279.08 sq mi |
| Water Area : | 131.55 sq mi |
| Latitude : | 29.9138333 |
| Longitude : | -90.3593144 |
| Population (2010): | 52,780 |
| Population Estimate (2012) : | 52,663 |
| Population Density : | 189.12/sq mi |
| Housing Units (2012) : | 19,896 |
| Median Household Income (2012) : | $59,197 (Louisiana : $44,673, USA : $53,046) |
| Median Family Income (2012) : | $68,994 (Louisiana : $56,047, USA : $64,585) |
| Median House Price (2012) : | $180,500 (Louisiana : $137,700, USA : $181,400) |
St. Charles Parish Cities / Towns
| Ama (1,316) | Bayou Gauche (2,071) | Boutte (3,075) |
| Des Allemands (2,505) | Destrehan (11,535) | Hahnville (3,344) |
| Killona (793) | Luling (12,119) | Montz (1,918) |
| New Sarpy (1,464) | Norco (3,074) | Paradis (1,298) |
| St. Rose (8,122) | Taft (63) |
St. Charles Parish Zip Codes
| 70030 (4,585) | 70031 (1,316) | 70039 (2,460) |
| 70047 (13,006) | 70057 (4,719) | 70068 (34,101) |
| 70070 (12,471) | 70079 (3,067) | 70080 (1,556) |
| 70087 (8,122) |