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US ZIP Code Profile

ZIP Code 70354
Galliano, Louisiana

ZIP code 70354 is in Galliano, located in Lafourche County, Louisiana, within the Houma-Thibodaux metro area. Its 2020 Census population was 4,396. The estimated median adjusted gross income per tax return is $37,209, and about 2% of filers report $200,000 or more.

2020 Population
4,396
Census ZCTA
County
Lafourche
FIPS 22057
Median income (est.)
$37,209
IRS SOI 2022
Land Area
116.866 mi²
+ 24.828 mi² water

01Location & Geography

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

Primary CityGalliano, LA
CountyLafourche County (FIPS 22057)
StateLouisiana (FIPS 22)
Metro Area (MSA)Houma-Thibodaux, LA Metro Area (26380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.443174, -90.283936
Land / Water Area116.866 mi² land · 24.828 mi² water

02Income & Economics

Distribution of the 1,620 individual tax returns filed in 70354 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
37.0%
$25K–$50K
26.5%
$50K–$75K
14.2%
$75K–$100K
8.6%
$100K–$200K
11.7%
$200K+
1.8%
The $200,000+ bracket accounts for 12% of 70354's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($37,209) and the average.
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 70354's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,209
▲ 17.3%
Filers earning $200K+
1.8%
▼ 0.1 pt
Total filers
1,620
▲ 4.5%
GET /zipc/v2/zipcodes/70354/soi?year=… $31K 2020 $32K 2021 $37K 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 70354 ZCTA.

2000
4,738
 
2010
4,931
▲ +4.1%
2020
4,396
▼ -10.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number213315
City AliasesGalliano

06Frequently Asked Questions

What county is ZIP code 70354 in?

ZIP code 70354 is in Lafourche County, Louisiana (county FIPS code 22057).

What city is ZIP code 70354?

The primary USPS city for 70354 is Galliano, LA.

What metro area (MSA) is 70354 in?

70354 is part of the Houma-Thibodaux, LA Metro Area (MSA code 26380).

What is the population of ZIP code 70354?

The 2020 Census population of 70354 was 4,396 residents.

What is the median income in ZIP code 70354?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70354 is about $37,209, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.