PlainZIP

Port Arthur, TX

Single-footprint Census roll-up for Port Arthur, TX: 2 USPS ZIPs, population 53,986. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet PORT-ARTHUR-TX · Port Arthur, TX 2 ZIPs · 53,986 pop · #22633/25278 · Jefferson County

INC-MID · RANK-BOTTOM · BELOW-PEER · BOOK-FEW · OWN-LOW · POP-SMALL · SPREAD-TIGHT · HOME-LOW

  • INC-MID $46,962
  • RANK-BOTTOM #22633/25278
  • BELOW-PEER under Beaumont
  • BOOK-FEW 2 ZIPs
  • OWN-LOW 60% owners
  • POP-SMALL 53,986
  • SPREAD-TIGHT 77642→77640
  • HOME-LOW $107,150

Nearest income peer: Beaumont, TX (+ $14,113 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Port Arthur

Lowest/highest poles plus county-sharing cities nearest Port Arthur on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Port Arthur, TX sits among US cities with one of the lowest household incomes among US cities, on a small-city population base, across a handful of delivery areas.

10th pct
household income vs 25,278 US cities
53,986
city population (Census)
2
USPS ZIP codes covered
$46,962
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 2 ZIPs ($46,962 average) · poverty 27.5%. The primary code (77642) carries the ACS household fields that matter.

Owner-occupancy is comparatively low (60.1%) for this income tier, rent $1,101 may matter more than the home-value average.

Within Texas, Pattison is the closest lower-income city and Plainview the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Port Arthur.

Within-city ZIP comparison

Where the ZIP codes inside Port Arthur differ

The published income range is comparatively compact across the ZIPs in Port Arthur: $42,950 in ZIP 77642 to $50,973 in 77640. The city average is therefore a more representative summary here, though each ZIP page still carries its own housing and demographic record.

Income high-to-low ratio
1.2×

77642 to 77640

Home-value high-to-low ratio
1.0×

77642 to 77640

Poverty-rate spread
8.6 points

77640 to 77642

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Lead ZIP 77642 skews compact Port Arthur

In this 2-ZIP cluster, 77642 covers about 69% of Port Arthur's 53,986 residents. City averages lean toward that lead; open a thinner sibling ZIP for the contrast the mean hides.

Census ZBP business roll-up

Balanced ZBP roll-up inside compact Port Arthur

Citywide ZBP: 848 establishments, 18,506 employees , annual payroll $1,112,328k (~16 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 77642 (535 units) ; leading NAICS Retail trade (164) · also Health care and social assistance · Accommodation and food services .

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ZIP Codes in Port Arthur, TX

These ZIP codes sit in Jefferson County, which covers 17 ZIP codes in all; 2 of them fall in Port Arthur. See the Jefferson County roll-up →

Every one of the 8 cities sharing Jefferson County reports a higher average ZIP median income than Port Arthur, Beaumont, Nederland and Groves among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Hamshire marks the far end of that range at $100,556, 114% above Port Arthur.

Side-by-side: Compare 77642 vs 77640 →

ZIP Code Population Median income Establishments Density
77642 37,111 $42,950 535 728
77640 16,875 $50,973 313 169
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Port Arthur roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Port Arthur, .