70358 ZIP Code — Grand Isle, LA

Jefferson County, Louisiana

ZIP code 70358 is located in Grand Isle, Louisiana, within Jefferson County. It covers approximately 6.47 square miles and serves a population of 903 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 985.

About ZIP code 70358

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $257,900. Owner-occupancy sits near the national average at 72%.

The dominant occupation class is service, with professional and management as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 31%.

Overall, ZIP code 70358 reflects a community defined by a trades-oriented workforce and economic challenges above the national average.

903

population

6.47

sq mi land

Standard

ZIP type

Central (CT)

timezone

70358 ZIP code map

Cities in ZIP code 70358

Below are the cities the US Postal Service accepts for ZIP code 70358. Using any city not on this list may result in mail delivery delays.

City	Status
Grand Isle	Preferred

Nearby ZIP codes

70357 Golden Meadow (13.5 mi)

Demographics updated 05/2026

Population
Total population	903
Population density	140 / sq mi
State FIPS	22
County FIPS	051

Geography
Land area	6.47 sq mi
Water area	5.11 sq mi
Latitude	29.2288
Longitude	-89.9983
Timezone	Central (CT)
Area code	985

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.2%	45.0%	49.2%
$50k – $100k	20.1%	31.1%	27.7%
$100k – $200k	27.0%	19.0%	18.3%
Over $200k	0.7%	4.9%	4.7%

Demographics & statistics

903

Population

140

People per sq mi

51.0

Median age

Median household income

$31,595

Per capita income

$257,900

Median home value

$1,028

Median monthly rent

72.4%

Home ownership

32.7%

Poverty rate

6.3%

Unemployment

1,773

Housing units

18.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

122

45–54

102

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	168	18.6%
18 and over	735	81.4%
65 and over	166	18.4%
Median age	51.0 years

Race & ethnicity

White 93.3%

Two or more races 3.6%

Hispanic or Latino 2.1%

Black or African American 0.7%

Other race 0.4%

Group	Count	%
White	860	93.3%
Two or more races	33	3.6%
Hispanic or Latino	19	2.1%
Black or African American	6	0.7%
Other race	4	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.2%	45.0%	49.2%
$50k – $100k	20.1%	31.1%	27.7%
$100k – $200k	27.0%	19.0%	18.3%
Over $200k	0.7%	4.9%	4.7%

Under $10k 15.5%

$10k–$15k 20.0%

$15k–$25k 7.9%

$25k–$35k 1.2%

$35k–$50k 2.6%

$50k–$75k 1.4%

$75k–$100k 13.6%

$100k–$150k 28.1%

$150k–$200k 8.3%

$200k+ 1.4%

Range	% of households
Under $10k	15.5%
$10k–$15k	20.0%
$15k–$25k	7.9%
$25k–$35k	1.2%
$35k–$50k	2.6%
$50k–$75k	1.4%
$75k–$100k	13.6%
$100k–$150k	28.1%
$150k–$200k	8.3%
$200k+	1.4%
Median income	$0

Housing

Home values

Under $50k 3.9%

$100k–$150k 9.2%

$150k–$200k 16.8%

$200k–$300k 46.4%

$300k–$500k 23.7%

Housing overview

Metric	Value
Median home value	$257,900
Median rent / month	$1,028
Owner occupied	72.4%
Renter occupied	27.6%
Vacant	77.8%
Single-family detached	80.4%
Large apartment buildings	0.0%
Mobile homes	8.4%
Median rooms	5.2
Avg household size (owned)	2.14

Year built

Era	%
2020 or later	0.0%
2010–2019	4.7%
2000–2009	10.1%
1990–1999	13.1%
1980–1989	8.7%
1970–1979	21.5%
1960–1969	20.5%
1950–1959	3.3%
1940–1949	13.1%
1939 or earlier	4.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	3.2%
2 bedrooms	32.7%
3 bedrooms	50.7%
4 bedrooms	12.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	8.3%
1 vehicle	33.3%
2 vehicles	40.5%
3 or more	17.9%

Heating fuel

Fuel type	%
Utility gas	24.8%
Electricity	66.9%
No fuel used	8.3%

Households & families

Household type	Count	%
Married-couple family	205	48.8%
Cohabiting couple	24	5.7%
Male householder, no spouse	124	29.5%
Female householder, no spouse	67	16.0%
Households with children under 18	102	24.3%
Households with seniors (65+)	112	26.7%
Average household size	2.12

Marital status

Status	Male	Female
Never married	22.8%	22.3%
Married	50.4%	59.0%
Separated	0.0%	0.0%
Widowed	0.0%	8.0%
Divorced	26.8%	10.7%

Education

Less than 9th grade 10.7%

Some HS, no diploma 6.5%

HS graduate 43.9%

Some college, no degree 17.2%

Associate's degree 3.1%

Bachelor's degree 14.9%

Graduate / professional 3.7%

Metric	%
HS diploma or higher	82.8%
Bachelor's or higher	18.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	31	17.4%
Kindergarten	6	3.4%
Elementary school	96	53.9%
High school	38	21.3%
College / grad school	7	3.9%

Employment

Industry of employment

Professional & management 18.4%

Education & healthcare 15.7%

Arts, food & hospitality 14.7%

Transportation & utilities 11.2%

Finance & real estate 9.3%

Agriculture & mining 8.3%

Manufacturing 7.5%

Retail trade 5.9%

Other services 4.8%

Public administration 4.3%

Occupation

Category	%
Management, business & arts	19.7%
Service	35.7%
Sales & office	25.1%
Natural resources & construction	9.6%
Production & transportation	9.9%

Employment type

Type	%
Private sector	65.9%
Government	20.3%
Self-employed	13.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.5%
Carpool	6.3%
Public transit	0.0%
Walk	8.4%
Work from home	0.3%
Other means	4.6%
Avg commute (minutes)	31.7

Poverty

All people 32.7%

Under 18 years 37.5%

18 and over 31.6%

Married-couple families 13.2%

Female-led households 41.9%

Income support

Source	% of households
Social Security	26.9%
Retirement income	15.2%
Supplemental Security	8.1%
Cash public assistance	0.0%
Food stamps / SNAP	8.6%

Health indicators

Condition	%
Obesity	38.7%
High blood pressure	40.5%
High cholesterol	40.4%
Diabetes	14.3%
Heart disease	9.1%
Stroke	4.2%
Asthma	9.2%
Arthritis	30.1%
Kidney disease	3.6%
Pulmonary disease	10.4%
Cancer	7.2%

Behavior / access	%
Smoking	23.2%
Binge drinking	19.5%
No physical activity	33.0%
Less than 7 hrs sleep	36.6%
Depression	26.2%
Fair or poor health	21.1%
Poor mental health	17.7%
Poor physical health	14.4%
No health insurance	14.5%
Visited doctor (checkup)	76.3%
Visited dentist	56.0%
Cholesterol screening	89.6%
Teeth loss	18.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	54	7.5%

Disability	%
Any disability	30.9%
Under 18	0.0%
18–64 years	26.9%
65 and over	75.3%

Health insurance coverage

Type	%
Private insurance	56.3%
Public insurance	50.3%
No insurance	6.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	855	94.7%
Spanish	18	2.1%
Other Indo-European	18	2.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	885	98.0%
Born in same state	885	98.0%
Born in different state	642	71.1%
Foreign born	0	0.0%
Naturalized citizen	18	2.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
German	87	9.6%
French	71	7.9%
Italian	45	5%

Ancestry	Count	%
Dutch	16	1.8%
Arab	13	1.4%

Technology access

Metric	% of households
Computer access	46.5%
Internet access	78.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70358

What city is ZIP code 70358 in?

ZIP code 70358 is primarily assigned to Grand Isle, Louisiana.

What county is ZIP code 70358 in?

ZIP code 70358 falls within Jefferson County, Louisiana.

What is the poverty rate in ZIP code 70358?

33% of residents in ZIP code 70358 live below the poverty line, above the national average.

What is the population of ZIP code 70358?

ZIP code 70358 has an estimated population of 903 residents, with a density of 140 people per square mile.

What is the typical home value in ZIP code 70358?

The median home value in ZIP code 70358 is $257,900.

What timezone is ZIP code 70358 in?

ZIP code 70358 observes the CST timezone.