Grand Isle, LA demographics:
population, income, and more

Total population
623
-3.3% year-over-year change
Median household income
$/yr
% year-over-year change
Housing units
1,562
-8.3% year-over-year change

Grand Isle population

How many people live in Grand Isle

Grand Isle is home to 623 residents, according to the most recent Census data. Gender-wise, 63.9% of Grand Isle locals are male, and 36.1% are female.

Total population
623
-3.3% year-over-year change
Gender ratio
Male
63.9%
398
Female
36.1%
225
Value Percent YoY change
Male 398 63.9% 0.5%
Female 225 36.1% -9.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

Adults between 25 and 44 make up 15.9% of the population, while another 42.2% fall into the 45 to 64 bracket. Finally, around 34.8% are 65 or older.

Median age
58.4
Age breakdown
Under 15
0%
15 to 24
7.1%
25 to 44
15.9%
45 to 64
42.2%
Over 65
34.8%
Value Percent YoY change
15 to 24 44 7.1% -38.0%
25 to 44 99 15.9% -9.2%
45 to 64 263 42.2% -19.6%
Over 65 217 34.8% 110.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

There’s also a share of 3.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 623 100% -3.3%
Racial breakdown
White
94.7%
Black or African American
0.8%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.7%
Other
0.8%
Value Percent
White 590 94.7%
Black or African American 5 0.8%
Two or more races 23 3.7%
Other 5 0.8%

Households in Grand Isle

A peek inside Grand Isle households

Grand Isle has 353 households, with an average of 2 members in each. Of these, 56.7% are families, while the remaining 43.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
353
-0.3% year-over-year change
Average people per household
2
Non-family households
153
Family households
200
Value Percent YoY change
Non-family households 153 43.3% 0.7%
Family households 200 56.7% -1.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Grand Isle

The housing landscape of Grand Isle

Grand Isle's housing consists of 1,562 units, with 75.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 9.9% of the housing landscape.

Housing units
1,562
-8.3% year-over-year change
Housing types
Value Percent
1 unit, detached 1,175 75.2%
1 unit, attached 60 3.8%
2 units 50 3.2%
3 or 4 units 45 2.9%
5 to 9 units 38 2.4%
Mobile home 155 9.9%
Boat, RV, van, etc. 39 2.5%
Homes built since 2020
0
% year-over-year change

The age of buildings in Grand Isle

In Grand Isle, the median construction year is 1981. About 6.7% of homes were built before the 1940s, with another 1.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 104 6.7% -35.0%
Built between 1940 and 1949 20 1.3% -87.7%
Built between 1950 and 1959 49 3.1% -31.9%
Built between 1960 and 1969 278 17.8% 10.3%
Built between 1970 and 1979 309 19.8% -12.7%
Built between 1980 and 1989 220 14.1% 2.8%
Built between 1990 and 1999 230 14.7% 13.3%
Built between 2000 and 2009 180 11.5% -5.8%
Built between 2010 and 2019 172 11% 83.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Grand Isle occupancy rates

Out of the 353 occupied housing units in Grand Isle, 87.2% are owner-occupied, while 12.8% are lived in by tenants. Meanwhile, 77.4% of all homes on the local market sit vacant.

Occupied housing units
353
-0.3% year-over-year change
Occupancy breakdown
Renter occupied
45
Owner occupied
308
Value Percent YoY
change
Renter occupied 45 12.8% -47.7%
Owner occupied 308 87.2% 14.9%
Unoccupied housing units
77.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Grand Isle housing costs

Median housing costs per month
$823/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Grand Isle

Grand Isle education at a glance

About 44.5% of the population in Grand Isle went to high school, while 29% pursued college studies. Another 10.6% earned an associate degree and 14.3% hold a bachelor’s.

Education level
Value Percent YoY change
No high school 10 1.6% -56.5%
High school diploma 277 44.5% -0.7%
College diploma 181 29% 47.1%
Associate degree 66 10.6% 153.8%
Bachelor's degree 89 14.3% -19.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Grand Isle

How much people earn in Grand Isle

The average annual household income in Grand Isle was $51,636 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -21.9% change from the previous year.

Average household income in Grand Isle
$51,636/year
-21.9% year-over-year change

Grand Isle income by age

Overall, 63.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Above poverty level
385
Below poverty level
221
Value Percent YoY
change
Above poverty level 385 63.5% -10.9%
Below poverty level 221 36.5% 12.2%

Employment in Grand Isle

Workforce and job types in Grand Isle

The job market in Grand Isle is powered by 177 working residents, spread across a range of industries and roles. 83.6% of the working population are employed in professional or administrative positions, while 16.4% are in hands-on or service-based jobs. Also, 24.9% run their own businesses, 61.6% are employed by private companies, and 13.6% work in the public sector.

Workforce demographics

Working population
177
-39.4% year-over-year change
White collar
148
Blue collar
29
Value Percent YoY change
White collar 148 83.6% -36.2%
Blue collar 29 16.4% -51.7%
Employer type
Self employees
24.9%
Private companies
61.6%
Governmental workers
13.6%
Not for profit companies
0%
Value Percent YoY change
Self employees 44 24.9% -24.1%
Private companies 109 61.6% -46.0%
Governmental workers 24 13.6% -25.0%
Unemployment rate
20.3%
95.7% year-over-year change

Available workforce

The unemployment rate in Grand Isle stands at 20.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Grand Isle

How people get around in Grand Isle

Commuting methods vary: 93.8% of residents travel by personal vehicle and 2.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 182 93.8% -33.1%
Walk 5 2.6% -73.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Grand Isle by zipcode?

Zipcode Population Number of households Median income Average income
70358 623 353 $0 $51,636

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FAQs about Grand Isle demographics 

What is the total population of Grand Isle?

Grand Isle has a total population of 623 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -3.3% compared to a year ago.

What is the gender ratio in Grand Isle?

The gender ratio in Grand Isle is as follows:
  • 63.9% males (398 residents)
  • 36.1% females (225 residents)

What is the median age in Grand Isle?

The median age in Grand Isle is 58.4.

What is the age distribution of the population in Grand Isle?

The age distribution in Grand Isle is as follows:
  • Under 15: 0% (0 residents)
  • Ages 15-24: 7.1% (44 residents)
  • Ages 25-44: 15.9% (99 residents)
  • Ages 45-64: 42.2% (263 residents)
  • Over 65: 34.8% (217 residents)

What is the racial and ethnic makeup of Grand Isle?

The racial and ethnic makeup of Grand Isle is as follows:
  • White: 94.7% (590 residents)
  • Black or African American: 0.8% (5 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.7% (23 residents)
  • Other: 0.8% (5 residents)

What percentage of the population in Grand Isle are U.S.-born citizens?

U.S.-born citizens represent 100% of the population in Grand Isle.

How many housing units are there in Grand Isle?

There are 1,562 housing units in Grand Isle, reflecting a -8.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Grand Isle and what is the average household size?

Grand Isle has a total of 353 households, with an average of 2 people in each.

What is the employment rate and job market overview for Grand Isle?

The employment rate is 79.7% in Grand Isle, with a workforce of 177 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.6% (148 residents)
  • Blue-collar workers: 16.4% (29 residents)

Places of employment:
  • Self-employed: 24.9% (44 residents)
  • Private companies: 61.6% (109 residents)
  • Governmental workers: 13.6% (24 residents)
  • Not-for-profit companies: 0% (0 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025