Grand Isle

County:: Jefferson Parish
County Seat:: No
Area (mi²):: 6.404
State:: Louisiana

Grand Isle is a town located in Jefferson Parish, Louisiana. Grand Isle has a 2025 population of 938. Grand Isle is currently declining at a rate of -1.47% annually and its population has decreased by -6.85% since the most recent census, which recorded a population of 1,007 in 2020.

The average household income in Grand Isle is $66,097 with a poverty rate of 31.32%.The median age in Grand Isle is 54 years: 53.2 years for males, and 55.5 years for females.

Demographics

The racial composition of Grand Isle includes 93.01% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	599	93.01%
Two or more races	31	4.81%
Black or African American	9	1.4%
Other race	5	0.78%

Grand Isle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand Isle's average per capita income is $47,656. Household income levels show a median of $0. The poverty rate stands at 31.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$107,917	$93,705
Married Families	$102,083	-
Non Families	$10,811	$22,287
Households	-	$66,097

$47,656

Average Income

$0

Median Household Income

31.32%

Poverty Rate