Daylight through the yearLongest day (Jun 21): 14 h 1 min6:01 am – 8:02 pmShortest day (Dec 21): 10 h 17 min6:50 am – 5:06 pm
Sun todaySunrise –Sunset –
People623 residentsin the ZIP code areaMedian age 58.4353 householdsMedian home value $269,50087% of homes owner-occupiedMedian property tax $2,025 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting20.3% unemployment rate38% of adults are in the labour force, 177 employedMain industries: professional and business services 36%, farming, forestry and mining 25%, hospitality, food and recreation 20%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages15% of adults have a bachelor's degree or higher88% finished high school, 0% hold a graduate degreeLanguages at home: English only 93%, French or Haitian Creole 4%, Spanish 4%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month August: highs 89°F, lows 76°FColdest month January: highs 63°F, lows 45°F67 in of rain a year, on about 81 dayswettest month JulySnow is rare49 days above 90°F, 9 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Galliano station, 24 mi away
Parks and public landsGrand Isle State Parkstate park · 3.8 mi · 205 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighJefferson Parish, LA, compared with all US countiesHigher-risk hazardsHurricane Very HighLightning Very HighCoastal flooding Very HighHeat wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality62% of days had good air in 2025227 of 365 days measured137 moderate, 1 unhealthy for sensitive groups daysMedian index 47, worst day 101main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Jefferson County monitors, LA
Internet at home63% of households have a broadband subscription40% have cable, fibre or DSL17% rely on a mobile data plan alone37% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterE Jefferson Ww District 1serves 275,163 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation2 ft1 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalLady of the Sea General Hospital23.9 miPost officeGrand Isle Post Office2.6 miTown hallGrand Isle Town Hall2.2 miPoliceGrand Isle Police Department2.2 miFire stationGrand Isle Volunteer Fire Department Station 972.1 miSource: USGS National Structures Dataset
Getting aroundAirportLouis Armstrong New Orleans International Airport MSY56 miAmtrakUnion Passenger Terminal NOL51 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 70358 ZIP area.