Grand Isle Population

2010–2026

1,011

2026 projection

0.6% since 2020 (increase)

02004006008001K1.2K1.4K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Grand Isle. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,011-10.10%
20251,012+101.00%
20241,002+181.83%
2023984+70.72%
2022977-262.59%
20211,003-20.20%
20201,005-292.80%
20191,034-363.36%
20181,070-403.60%
20171,110-353.06%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Grand Isle is growing faster than Jefferson Parish and Louisiana, and slower than the U.S.

  • United States+3.1%
  • Grand Isle+0.6%
  • Louisiana−0.7%
  • Jefferson Parish−1.9%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Grand Isle Demographics

58.4median age

Median age

Female64.5 yrs
Male57.5 yrs

Adults

623
217 seniors (65+) · 35% of adults406 other adults

Sex

Female 36.1% · 225Male 63.9% · 398

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 6 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Grand Isle Marital Status

70% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married70%57%91%
Never married16%23%5%
Divorced13%20%0%
Widowed1%0%4%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201