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US ZIP Code Profile

ZIP Code 70471
Mandeville, Louisiana

ZIP code 70471 is in Mandeville, located in Saint Tammany County, Louisiana, within the New Orleans-Metairie metro area. Its 2020 Census population was 23,334. The estimated median adjusted gross income per tax return is $71,849, and about 18% of filers report $200,000 or more.

2020 Population
23,334
Census ZCTA
County
Saint Tammany
FIPS 22103
Median income (est.)
$71,849
IRS SOI 2022
Land Area
29.419 mi²
+ 1.662 mi² water

01Location & Geography

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

Primary CityMandeville, LA
CountySaint Tammany County (FIPS 22103)
StateLouisiana (FIPS 22)
Metro Area (MSA)New Orleans-Metairie, LA Metro Area (35380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.404287, -90.06131
Land / Water Area29.419 mi² land · 1.662 mi² water

02Income & Economics

Distribution of the 10,440 individual tax returns filed in 70471 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.0%
$25K–$50K
16.0%
$50K–$75K
11.4%
$75K–$100K
8.7%
$100K–$200K
22.1%
$200K+
17.7%
The $200,000+ bracket accounts for 63% of 70471's total adjusted gross income, from 18% of returns — a concentration that drives the gap between the median ($71,849) 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 70471's IRS income metrics, 2020–2022.

Median income (2021→2022)
$71,849
▲ 1.0%
Filers earning $200K+
17.7%
▲ 0.4 pt
Total filers
10,440
▼ 0.4%
GET /zipc/v2/zipcodes/70471/soi?year=… $61K 2020 $71K 2021 $72K 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 70471 ZCTA.

2000
19,950
 
2010
21,383
▲ +7.2%
2020
23,334
▲ +9.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number215746
City AliasesMandeville

06Frequently Asked Questions

What county is ZIP code 70471 in?

ZIP code 70471 is in Saint Tammany County, Louisiana (county FIPS code 22103).

What city is ZIP code 70471?

The primary USPS city for 70471 is Mandeville, LA.

What metro area (MSA) is 70471 in?

70471 is part of the New Orleans-Metairie, LA Metro Area (MSA code 35380).

What is the population of ZIP code 70471?

The 2020 Census population of 70471 was 23,334 residents.

What is the median income in ZIP code 70471?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70471 is about $71,849, with around 18% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.