Grand Isle is located in Louisiana. Grand Isle, Louisiana has a population of 1,253. Grand Isle is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 26%.
The median household income in Grand Isle, Louisiana is $52,500. The median household income for the surrounding county is $56,590 compared to the national median of $66,222. The median age of people living in Grand Isle is 49.6 years.
The average high temperature in July is 90.89 degrees, with an average low temperature in January of 43.59 degrees. The annual precipitation is 56.5.