🇺🇸 United States ZIP Code

STANDARD

77642

Port Arthur

ZIP Code 77642 is a standard zip code serving Port Arthur, Port Arthur, Texas (TX), in Jefferson County, United States. It has an estimated population of 37,111 with a median household income of $32,039. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Texas (TX)
County: Jefferson
City: Port Arthur
Timezone: America/Chicago

Coordinates

Latitude: 29.921200
Longitude: -93.927000

Geographic Details

Land Area: 19.68 mi²
Water Area: 1.83 mi²
Population Density: 1886.0 people per mi² (80th percentile)
Bounding Box: 29.984619°N, 29.888714°S, -93.855977°E, -93.994251°W

With 37,111 residents spread across 19.68 square miles, this area has a population density of 1886.0 people per square mile.

Demographics

37,111

Population

90th percentile

$32,039

Median Income

10th percentile

$69,400

Median Home Value

10th percentile

19.68 mi²

Land Area

The median household income in 77642 is $32,039, and the median home value is $69,400. This is below the national average for household income.

Housing

15,240

Total Units

13,451

Occupied Units

88.3%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Port Arthur, TX.

77640

Port Arthur

77641

Port Arthur

77643

Port Arthur

Similar ZIP Codes in Texas

ZIP codes with similar median household income in Texas.

75766

Jacksonville

$33,053

79835

Canutillo

$29,799

77091

Houston

$27,903

76106

Fort Worth

$31,391

79520

Hamlin

$33,864

78061

Pearsall

$33,838

79245

Memphis

$31,761

75702

Tyler

$32,457

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.