Bayou Gauche is part of the Greater New Orleans region. It is located at . According to the United States Census Bureau, the designated CDP has a total area of, of which is land and is water.
Economy
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.
Demographics
As of the census of 2000, there were 1,770 people, 598 households, and 508 families residing in the CDP. The population density was 100.7 people per square mile. There were 637 housing units at an average density of 36.2 per square mile. ;Ethnography The racial makeup of the CDP was 96.84% White, 1.53% African American, 0.28% Native American, 0.11% Asian, 0.85% from other races, and 0.40% from two or more races. Hispanic or Latino of any race were 1.47% of the population. ;Households There were 598 households out of which 44.8% had children under the age of 18 living with them, 74.4% were married couplesliving together, 8.4% had a female householder with no husband present, and 14.9% were non-families. 11.4% of all households were made up of individuals and 4.7% had someone living alone who was 65 years of age or older. The average household size was 2.96 and the average family size was 3.19. ;Ages In the CDP, the population was spread out with 29.1% under the age of 18, 7.6% from 18 to 24, 32.5% from 25 to 44, 24.2% from 45 to 64, and 6.6% who were 65 years of age or older. The median agewas 34 years. For every 100 females, there were 101.4 males. For every 100 females age 18 and over, there were 97.6 males. ;Incomes The median income for a household in the CDP was $51,667, and the median income for a family was $52,212. Males had a median income of $45,982 versus $23,966 for females. The per capita income for the CDP was $22,170. None of the families and 1.7% of the population were living below the poverty line, including no under eighteens and none of those over 64.
