The Town FilesGrand Isle, Louisiana
Town in Jefferson Parish · population 1,005 (2020 Census)
- Median home
- $269,500
- Jan low / Jul high
- 45° / 89°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 8
- Median age
- 58.4
Grand Isle is a town of 1,005 people in Jefferson Parish, Louisiana. The median home is worth $269,500, above the typical Louisiana town ($166,450). It ranks quieter than 98% of Louisiana towns, better for a vacation home than 98% of Louisiana towns, more seaside character than 98% of Louisiana towns.
How Grand Isle ranks
Percentile among Louisiana towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Louisiana towns.
Homes and cost of living
The median home in Grand Isle is worth $269,500, above the typical Louisiana town ($166,450). 87.3% of households own their home.
| Housing | Grand Isle | Typical Louisiana town |
|---|---|---|
| Median home value | $269,500 | $166,450 |
| Median rent | — | $887 |
| Median household income | — | $52,134 |
| Home value ÷ income | —× | 3.0× |
| Homeownership | 87.3% | 70.4% |
| Median year built | 1981 | 1979 |
| Seasonal / vacation homes | 67.2% | — |
Who lives in Grand Isle
| People | Grand Isle | Typical Louisiana town |
|---|---|---|
| Median age | 58.4 | 38.4 |
| Age 65 and over | 34.8% | 17.0% |
| Under 18 | 0.0% | — |
| Bachelor's degree or higher | 15.4% | 15.8% |
| Below the poverty line | 36.5% | 20.4% |
| Veterans | 17.7% | — |
| Born outside the U.S. | 0.0% | — |
| Work from home | 3.6% | 4.7% |
| Average commute | — min | 25.8 min |
| Homes with broadband | 62.9% | 84.6% |
Weather in Grand Isle
July highs average 89.3°F and January lows 44.8°F. About 66.7 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical Louisiana town: 0.0 in). Expect about 49 days a year at 90°F or hotter and 9 nights at or below freezing.
Tornadoes, storms and disasters
8 tornadoes have passed within 10 miles of Grand Isle since 1950, compared with 27 for the typical Louisiana town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on April 8, 1993 about 2.1 miles from the town center and killed 3. Tornadoes within 10 miles have caused 3 deaths and 40 injuries since 1950. The most recent was on June 19, 2013.
Hail of 1 inch or larger has been reported within 10 miles 2 times; the largest was 1.75 inches on May 1, 1964.
Severe weather in Jefferson Parish since 1996
Jefferson Parish has been included in 50 federal disaster or emergency declarations since 1953, most often for flood, other, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| January 24, 2026 | Winter Storm | EM-3638: Severe Winter Storm |
| September 16, 2024 | Hurricane | DR-4817: Hurricane Francine |
| September 10, 2024 | Hurricane | EM-3614: Tropical Storm Francine |
| September 27, 2023 | Other | EM-3600: Seawater Intrusion |
| September 13, 2021 | Coastal Storm | EM-3574: Tropical Storm Nicholas |
Jobs and pay in Jefferson Parish
Jefferson Parish had 184,764 jobs in 2024, paying an average of $63,803 a year. Unemployment was 3.5% in 2023; in Grand Isle itself the ACS puts it at 20.3%.
Public schools in Grand Isle
1 public school with 99 students, about 4.7 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Grand Isle High School | PK-12 | 99 | 4.7 |
Towns near Grand Isle
- Golden Meadow, LA19.1 mi · 1,761 people · home $141,600
- Galliano, LA23.3 mi · 7,100 people · home $134,200
- Port Sulphur, LA27.4 mi · 1,677 people · home $84,200
- Cut Off, LA27.7 mi · 5,533 people · home $158,300
- Empire, LA29.7 mi · 905 people · home $152,900
Grand Isle questions
Is Grand Isle, Louisiana a good place to retire?
On The Town Files lifestyle rankings, Grand Isle scores better for retirees than 87% of Louisiana towns and quieter than 98%. 34.8% of residents are 65 or older (median age 58.4).
How much does a house cost in Grand Isle?
The median owner-occupied home in Grand Isle is valued at $269,500 (Census ACS 2020–2024), against a median household income of —. Median rent is — a month.
What is the weather like in Grand Isle?
July highs average 89.3°F and January lows 44.8°F (NOAA 1991–2020 normals). It gets about 66.7 inches of precipitation a year and 0.0 inches of snow.
Does Grand Isle get tornadoes?
8 tornadoes have passed within 10 miles of Grand Isle since 1950 (NOAA Storm Events); the strongest was a F2 on April 8, 1993. The typical Louisiana town has had 27.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)