Grand Isle is located in Louisiana. Grand Isle, Louisiana has a population of 858. Grand Isle is less family-centric than the surrounding county with 11.07% of the households containing married families with children. The county average for households married with children is 25.58%.
The median household income for the surrounding county is $58,638 compared to the national median of $69,021. The median age of people living in Grand Isle is 51.5 years.
The average high temperature in July is 89.4 degrees, with an average low temperature in January of 44.8 degrees. The average rainfall is approximately 61.9 inches per year, with 0 inches of snow per year.
