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US ZIP Code Profile

ZIP Code 77571
La Porte, Texas

ZIP code 77571 is in La Porte, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 37,018. The estimated median adjusted gross income per tax return is $52,682, and about 4% of filers report $200,000 or more.

2020 Population
37,018
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$52,682
IRS SOI 2022
Land Area
34.957 mi²
+ 6.283 mi² water

01Location & Geography

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

Primary CityLa Porte, TX
CountyHarris County (FIPS 48201)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.688456, -95.05738
Land / Water Area34.957 mi² land · 6.283 mi² water

02Income & Economics

Distribution of the 18,030 individual tax returns filed in 77571 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.2%
$25K–$50K
22.0%
$50K–$75K
16.8%
$75K–$100K
10.9%
$100K–$200K
20.0%
$200K+
4.1%
The $200,000+ bracket accounts for 19% of 77571's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($52,682) 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 77571's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,682
▲ 8.1%
Filers earning $200K+
4.1%
▲ 0.5 pt
Total filers
18,030
▲ 2.0%
GET /zipc/v2/zipcodes/77571/soi?year=… $47K 2020 $49K 2021 $53K 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 77571 ZCTA.

2000
33,736
 
2010
35,666
▲ +5.7%
2020
37,018
▲ +3.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484940
City AliasesLa Porte, Lomax, Morgans Point, Shoreacres, Sylvan Beach

06Frequently Asked Questions

What county is ZIP code 77571 in?

ZIP code 77571 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77571?

The primary USPS city for 77571 is La Porte, TX.

What metro area (MSA) is 77571 in?

77571 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77571?

The 2020 Census population of 77571 was 37,018 residents.

What is the median income in ZIP code 77571?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77571 is about $52,682, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.