Bayou Gauche is a census-designated place and fishing village, with an adjacent natural bayou and wetlands. It is located in St. Charles Parish, Louisiana, United States. As of 2020, its population was 2,161.
Bayou Gauche is part of the Greater New Orleans region. It is located at (29.825162, -90.434727).
According to the United States Census Bureau, the designated CDP has a total area of , of which is land and (12.93%) is water.
Bayou Gauche was first listed as a census designated place in the 2000 U.S. census. In 2020, it had a population of 2,161.
The fishing and shellfish industries have been important in the local economy. Some residences for people in those fields, and their families, are stilt houses in the bayou and wetlands.
Oil wells for petroleum production are also present.
St. Charles Parish Public School System operates public schools: