Grand Isle Flag

Grand Isle

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

Grand Isle is a town located in Jefferson Parish, Louisiana. Grand Isle has a 2026 population of 1,011. Grand Isle is currently declining at a rate of -0.1% annually but its population has increased by 0.5% since the most recent census, which recorded a population of 1,006 in 2020.

The median age in Grand Isle is 58.4 years: 57.5 years for males, and 64.5 years for females. For every 100 females there are 176.9 males.

1K
Total Population
158
Density (mi²)
-1 -0.1%
Growth

Grand Isle Population

Grand Isle Population

Year ↓
Population
Growth
Annual Change
20261,011-1-0.1%
20251,012101%
20241,002181.83%
202398470.72%
2022977-26-2.59%
20211,003-3-0.3%
20201,00600%
20191,44290.63%
20181,43340.28%
20171,42990.63%
20161,420221.57%
20151,398191.38%
20141,379130.95%
20131,366261.94%
20121,340201.52%
20111,320241.85%
20101,30260.46%

Median Age

Overall: 58.4 years
Female: 64.5 years
Male: 57.5 years

Grand Isle Adults

There are 623 adults, (217 of whom are seniors) in Grand Isle.

Sex Ratio

Female: 225 (36.1%)
Male: 398 (63.9%)

Demographics

The racial composition of Grand Isle includes 94.7% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White59094.7%
Two or more races233.69%
Black or African American50.8%
Other race50.8%
Race
Population ↓
Percentage (of total)
Other race50.8%
Race
Population ↓
Percentage (of total)
White59094.7%
Two or more races233.69%
Black or African American50.8%

Grand Isle Marital Status

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)