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US ZIP Code Profile

ZIP Code 70037
Belle Chasse, Louisiana

ZIP code 70037 is in Belle Chasse, located in Plaquemines County, Louisiana, within the New Orleans-Metairie metro area. Its 2020 Census population was 16,262. The estimated median adjusted gross income per tax return is $54,124, and about 9% of filers report $200,000 or more.

2020 Population
16,262
Census ZCTA
County
Plaquemines
FIPS 22075
Median income (est.)
$54,124
IRS SOI 2022
Land Area
62.355 mi²
+ 5.33 mi² water

01Location & Geography

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

Primary CityBelle Chasse, LA
CountyPlaquemines County (FIPS 22075)
StateLouisiana (FIPS 22)
Metro Area (MSA)New Orleans-Metairie, LA Metro Area (35380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.827389, -90.02499
Land / Water Area62.355 mi² land · 5.33 mi² water

02Income & Economics

Distribution of the 6,940 individual tax returns filed in 70037 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.9%
$25K–$50K
22.8%
$50K–$75K
14.0%
$75K–$100K
9.5%
$100K–$200K
20.2%
$200K+
8.6%
The $200,000+ bracket accounts for 39% of 70037's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($54,124) 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 70037's IRS income metrics, 2020–2022.

Median income (2021→2022)
$54,124
▲ 5.4%
Filers earning $200K+
8.6%
▲ 0.6 pt
Total filers
6,940
▼ 0.6%
GET /zipc/v2/zipcodes/70037/soi?year=… $47K 2020 $51K 2021 $54K 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 70037 ZCTA.

2000
12,130
 
2010
15,590
▲ +28.5%
2020
16,262
▲ +4.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number210761
City AliasesBelle Chasse

06Frequently Asked Questions

What county is ZIP code 70037 in?

ZIP code 70037 is in Plaquemines County, Louisiana (county FIPS code 22075).

What city is ZIP code 70037?

The primary USPS city for 70037 is Belle Chasse, LA.

What metro area (MSA) is 70037 in?

70037 is part of the New Orleans-Metairie, LA Metro Area (MSA code 35380).

What is the population of ZIP code 70037?

The 2020 Census population of 70037 was 16,262 residents.

What is the median income in ZIP code 70037?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70037 is about $54,124, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.