USPS Standard Delivery Code Jefferson County →

77640 ZIP Code: Port Arthur, Texas

Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for ZIP code 77640 in Port Arthur, TX.

Neighborhoods:

Postal & Geographic Specifications USPS Data

ZIP Code 77640

Primary City Port Arthur, TX

County Jefferson County

Area Code(s) 409

Timezone America/Chicago

Land Area 38.54 sq mi

Elevation 0 ft

Coordinates 29.8900°, -93.9200°

Demographic & Economic Profile (US Census Bureau)

American Community Survey (ACS) 5-Year Verified Metrics

-32% vs Texas Avg

Total Population 16,618 438 people / sq mi

Median Household Income $50,973 Per Capita: $14,548

Median Home Value $109,600 Median Rent: $1,200/mo

Housing Tenancy

60% Own • 40% Rent

9,003 Total Units

Median Household Income Comparison $50,973 (77640) vs. $74,640 (Texas State)

Metrics sourced directly from the official U.S. Census Bureau (2022 ACS 5-Year Estimates).

Verify on data.census.gov

Editor's Neighborhood Insight & Local Context

Data for ZIP code 77640 in Port Arthur, Texas.

USPS Postal Services

Active Route

The primary postal delivery jurisdiction for 77640 operates within Port Arthur, Texas.

Note: Not all ZIP codes have a dedicated physical post office. A single USPS regional facility often serves multiple ZIP codes across a city or county.

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