Port Arthur, TX ZIP Codes
3 ZIP codes serve Port Arthur, Texas: 77642, 77640 and 77655. Together they are home to 55,855 residents in 21,644 households. Median household income ranges from $42,950 in 77642 to $50,973 in 77640.
Port Arthur city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 55,828 |
| Households | 21,630 |
| Median household income | $46,354 |
| Median home value | $107,400 |
| Median age | 35.5 |
| Median rent | $1,021 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 55,855 |
| Households (sum of ZIP codes) | 21,644 |
| Median household income, range across ZIP codes | $42,950 (77642) to $50,973 (77640) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $45,630 |
| Homeowners | 58.1% |
| Households with kids under 18 | 35.8% |
| Moved in the past year | 7.3% |
| Carrier routes in EDDM2GO's route library | 38 routes, 22,986 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Port Arthur: 77640 ($50,973)
- Most residents: 77642 (38,358 people)
- Highest homeownership: 77640 (67.2% own their home)
- Most households with kids: 77642 (38.7% of households)
- Most new movers: 77642 (7.5% moved in last year)
- Youngest median age: 77642 (32.3 years)
- Highest median home value: 77640 ($109,600)
Every ZIP code in Port Arthur
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77642 | Port Arthur | 38,358 | 14,306 | $42,950 | $104,700 | 53.0% | 38.7% | 7.5% | 23 | 16,290 | 86% of its land; mailing city |
| 77640 | Port Arthur | 17,167 | 7,175 | $50,973 | $109,600 | 67.2% | 30.4% | 7.0% | 14 | 8,218 | 81% of its land; mailing city |
| 77655 | Sabine Pass | 330 | 163 | $73,750 | $147,000 | 100.0% | 13.5% | 4.8% | 1 | 8 | 51% of its land |
A ZIP code is listed for Port Arthur when at least 10% of its land lies inside Port Arthur city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Port Arthur. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Port Arthur.
Counties
- Jefferson County — 18 ZIP codes
- Orange County — 4 ZIP codes
Price a mailing to Port Arthur ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Port Arthur, TX?
- 77642, 77640 and 77655. A ZIP code is listed for Port Arthur when at least 10% of its land lies inside Port Arthur city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Port Arthur.
- What is the population of Port Arthur, TX?
- The Census Bureau counts 55,828 residents inside Port Arthur city limits (ACS 2020–2024). The 3 ZIP codes that serve Port Arthur hold 55,855 residents in all.
- What is the median household income in Port Arthur, TX?
- $46,354 inside Port Arthur city limits, per the Census Bureau. Across its ZIP codes the medians run from $42,950 to $50,973.
- Which Port Arthur ZIP code has the highest median household income?
- 77640, at $50,973, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Port Arthur, TX?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 38 carrier routes reaching 22,986 residential and 1,529 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.