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US ZIP Code Profile

ZIP Code 70358
Grand Isle, Louisiana

ZIP code 70358 is in Grand Isle, located in Jefferson County, Louisiana, within the New Orleans-Metairie metro area. Its 2020 Census population was 1,005. The estimated median adjusted gross income per tax return is $37,500.

2020 Population
1,005
Census ZCTA
County
Jefferson
FIPS 22051
Median income (est.)
$37,500
IRS SOI 2022
Land Area
6.409 mi²
+ 5.289 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityGrand Isle, LA
CountyJefferson County (FIPS 22051)
StateLouisiana (FIPS 22)
Metro Area (MSA)New Orleans-Metairie, LA Metro Area (35380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.214731, -90.02755
Land / Water Area6.409 mi² land · 5.289 mi² water

02Income & Economics

Distribution of the 300 individual tax returns filed in 70358 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.7%
$25K–$50K
26.7%
$50K–$75K
16.7%
$75K–$100K
6.7%
$100K–$200K
13.3%
$200K+
0.0%
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 70358's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,500
▼ 4.5%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
300
▲ 0.0%
GET /zipc/v2/zipcodes/70358/soi?year=… $33K 2020 $39K 2021 $38K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 70358 ZCTA.

2000
1,541
 
2010
1,296
▼ -15.9%
2020
1,005
▼ -22.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number213744
City AliasesGrand Isle

06Frequently Asked Questions

What county is ZIP code 70358 in?

ZIP code 70358 is in Jefferson County, Louisiana (county FIPS code 22051).

What city is ZIP code 70358?

The primary USPS city for 70358 is Grand Isle, LA.

What metro area (MSA) is 70358 in?

70358 is part of the New Orleans-Metairie, LA Metro Area (MSA code 35380).

What is the population of ZIP code 70358?

The 2020 Census population of 70358 was 1,005 residents.

What is the median income in ZIP code 70358?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70358 is about $37,500. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.