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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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