HomeLouisianaJefferson ParishGrand Isle
Grand Isle, Louisiana: commercial real estate data.
Grand Isle is a Census town of 623 people across 6.40 square miles of land, in Jefferson Parish. 87.3 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Grand Isle
What Grand Isle is
- Census place typetown
- Land area6.4 sq mi
- Water area1.77 sq mi
- Population per square mile of land97 plus or minus 24
- County holding the largest share of its areaJefferson Parish, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grand Isle
How many people live in Grand Isle
- Population623 plus or minus 151
- Median age58.4
- Population under 180
- Share under 180.0 percent
- Population 65 and over217 plus or minus 100
- Share 65 and over34.8 percent plus or minus 13.7
- Households353 plus or minus 99
- Family households200 plus or minus 75
- Share of households that are families56.7 percent plus or minus 14.1
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grand Isle
Income and work in Grand Isle
- Per capita income$29,624 plus or minus $11,416
- Civilian labor force222 plus or minus 105
- Employed177 plus or minus 116
- Unemployed45 plus or minus 52
- Unemployment rate20.3 percent plus or minus 21.4
- Adults 25 and over579 plus or minus 138
- Adults 25 and over with a high school diploma or higher87.9 percent plus or minus 23.7
- Adults 25 and over with a bachelor degree or higher15.4 percent plus or minus 16.2
- Adults 25 and over with a graduate degree0.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grand Isle
Housing in Grand Isle
- Housing units1,562
- Occupied units353 plus or minus 99
- Vacant units1,209
- Vacancy rate77.4 percent
- Owner occupied308 plus or minus 83
- Renter occupied45 plus or minus 48
- Ownership rate87.3 percent plus or minus 33.9
- Median owner-occupied home value$269,500
- Single family units1,235
- Share single family79.1 percent
- Units in buildings of two or more133 plus or minus 75
- Share in buildings of two or more8.5 percent plus or minus 4.7
- Mobile homes155 plus or minus 69
- Median year structure built1981
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grand Isle
How Grand Isle gets to work
- Workers 16 and over who commute187 plus or minus 118
- Commuting under 15 minutes117 plus or minus 85
- Share commuting under 15 minutes62.6 percent plus or minus 22.9
- Commuting 30 minutes or more9 plus or minus 20
- Share commuting 30 minutes or more4.8 percent plus or minus 10.1
- Drove alone88.7 percent plus or minus 29.0
- Carpooled5.2 percent plus or minus 7.1
- Public transport0.0 percent
- Walked2.6 percent plus or minus 8.1
- Worked from home3.6 percent plus or minus 6.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Grand Isle
Flood risk in Grand Isle
- NFIP communityTown of Grand Isle
- NFIP community number225197
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date02/02/18
The Town of Grand Isle participates in the National Flood Insurance Program as community 225197 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Jefferson Parish, not Grand Isle
Jefferson Parish context, not Grand Isle figures
- Establishments in Jefferson Parish11,728
- Covered employment, Jefferson Parish184,764
- Average annual pay, Jefferson Parish$63,803
- Housing units permitted, Jefferson Parish501
Every figure in this section is published for Jefferson Parish as a whole and is not a measurement of Grand Isle.
All Jefferson Parish figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Grand Isle questions, answered from the record.
How many people live in Grand Isle, Louisiana?
623, in 353 households. Grand Isle town covers 6.40 square miles of land, which is 97 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Grand Isle in?
Jefferson Parish, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
Is Grand Isle in the National Flood Insurance Program?
Yes. Grand Isle appears in the FEMA Community Status Book as Grand Isle, town of, community 225197, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Grand Isle figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Jefferson Parish as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Grand Isle.
Is zoning published for Grand Isle?
No. Nothing on this page presents parcel level zoning.
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