Postal Codes

77640 ZIP Code

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ZIP code 77640 covers Port Arthur, Texas, with a population of about 17,480 and a median household income of $50,832.

Population
17,480469 per square mile
Median age
37.71 points below the US average
Median household income
$50,83233% below the Texas median
Poverty rate
23.7%11.3 points above the US average
Typical home value
$126,459up 4.4% in five years
Median rent
$1,16313% below the Texas median
Degree or higher
12.4%22.6 points below the US average
Homeownership
66.9%1.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
313

Where 77640 is

Port Arthur, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population17,480
Median age37.7
Family households63.7%
Born outside the US11%
Speaks a language other than English at home20.8%
White (non-Hispanic)22.1%
Black (non-Hispanic)53.5%
Asian (non-Hispanic)2.4%
Hispanic or Latino21%
Veterans4.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$50,832
Income per person$29,102
Poverty rate23.7%
Households on SNAP or cash assistance22.8%

Household income distribution

Under $10k8.6%
$10–15k8.4%
$15–20k6.0%
$20–25k3.6%
$25–30k4.1%
$30–35k5.7%
$35–40k3.2%
$40–45k4.1%
$45–50k5.1%
$50–60k14.2%
$60–75k6.5%
$75–100k9.3%
$100–125k8.6%
$125–150k4.1%
$150–200k5.2%
$200k or more3.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed6,710
Mean adjusted gross income$46,450
Returns declaring $200,000 or more1.3%
Returns, under $25k42.9%
Returns, $25k–$50k25.3%
Returns, $50k–$75k13.6%
Returns, $75k–$100k7.5%
Returns, $100k–$200k9.4%
Returns, $200k or more1.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$97,200
Median gross rent$1,163
Rent as a share of household income35.9%
Owner-occupied66.9%
Vacant homes22.5%
Median year built1972

What the homes are

Detached house83.4%
Attached house1%
2 to 4 units3.8%
5 to 19 units7.9%
20 or more units1.4%
Mobile home2.3%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$126,459as of 2026-07
Typical home value, 1 yeardown 0.1%
Typical home value, 5 yearsup 4.4%
Typical home value, 10 yearsup 49.5%
Typical home value since 2000
200520152026$128,610$69,199

$76,177 in 2005 to $126,459 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate10.2%
Bachelor's degree or higher12.4%
High school diploma or higher83.6%
Works from home0.7%
Drives to work alone89.9%
Takes public transport0.8%
Commutes 45 minutes or more8.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity45.3% 11.9 pts above the national average of 33.4%
Diagnosed diabetes19.9% 7.9 pts above the national average of 12%
Currently smokes18.4% 5.2 pts above the national average of 13.2%
High blood pressure46% 11.9 pts above the national average of 34.1%
Fair or poor general health31.7% 11.4 pts above the national average of 20.3%
No health insurance (18–64)20.2% 8.9 pts above the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity37.1% 11.7 pts above the national average of 25.4%
Arthritis29.2% 4.1 pts above the national average of 25.1%
Binge drinking13.1% 2.9 pts below the national average of 16%
Taking blood pressure medication79.8% 5.1 pts above the national average of 74.7%
Cancer (non-skin)6.1% 1.6 pts below the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year77.9% 1.2 pts above the national average of 76.7%
Cholesterol screening84.8% 1.1 pts below the national average of 85.9%
Cognitive disability18.6% 3.8 pts above the national average of 14.8%
Colorectal screening60.2% 4.1 pts below the national average of 64.3%
COPD9.6% 3 pts above the national average of 6.6%
Visited a dentist47.4% 13.9 pts below the national average of 61.3%
Any disability40.9% 10.2 pts above the national average of 30.7%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol37.1% 0.9 pts above the national average of 36.2%
Independent living disability12.9% 4.5 pts above the national average of 8.4%
Mammography use71.8% 4.1 pts below the national average of 75.9%
Poor mental health (14+ days)19.5% 2.7 pts above the national average of 16.8%
Mobility disability23.2% 9.2 pts above the national average of 14%
Poor physical health (14+ days)17.1% 3.6 pts above the national average of 13.5%
Self-care disability7.5% 3.5 pts above the national average of 4%
Sleeps under 7 hours43.4% 7 pts above the national average of 36.4%
Stroke5.8% 2.4 pts above the national average of 3.4%
All natural teeth lost23.3% 10.3 pts above the national average of 13%
Vision disability9.9% 4.3 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments313
People employed7,956
Annual payroll$587,165,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 77.6% of US census tracts
FEMA ratingVery Low to Relatively High across the 11 census tracts this ZIP code covers
Expected annual loss73 out of 100
Community resilience53 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane95.1Relatively High at its worst in this ZIP code
Lightning93.3Very High at its worst in this ZIP code
Wildfire86Relatively High at its worst in this ZIP code
Tornado83.4Very High at its worst in this ZIP code
Coastal flooding82.6Very High at its worst in this ZIP code
Ice storm78.1Relatively Moderate at its worst in this ZIP code
Cold wave74Relatively High at its worst in this ZIP code
River flooding57.3Relatively High at its worst in this ZIP code
Drought54.6Relatively Moderate at its worst in this ZIP code
Strong wind52.4Relatively Moderate at its worst in this ZIP code
Heat wave48.4Relatively Moderate at its worst in this ZIP code
Hail46.8Relatively Low at its worst in this ZIP code
Winter weather42.8Relatively Low at its worst in this ZIP code
Landslide39.6Relatively Low at its worst in this ZIP code
Earthquake21.9Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$50,832$76,292$78,538
Income per person$29,102$39,446$43,289
Poverty rate23.7%13.8%12.4%
Median home value$97,200$260,400$303,400
Median gross rent$1,163$1,339$1,348
Homeownership66.9%62.6%65%
Bachelor's degree or higher12.4%33.1%35%
Unemployment rate10.2%5.1%5.2%
Works from home0.7%12.8%13.5%
Born outside the US11%17.2%13.9%
Median age37.735.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPORT ARTHUR SE TX AP, TX US10.4 km away
Rain in a year62 in

Average high and low by month

January63.5°F / 43.8°F5.32 in rain
February67.3°F / 47.8°F3.09 in rain
March73.2°F / 53.4°F3.63 in rain
April79°F / 59.6°F3.92 in rain
May85.7°F / 67.3°F4.7 in rain
June90.9°F / 73.1°F6.7 in rain
July92.6°F / 74.6°F6.85 in rain
August93.1°F / 74.4°F6.89 in rain
September89.5°F / 70.6°F6.69 in rain
October82.1°F / 61.1°F5.47 in rain
November72.3°F / 51.5°F3.89 in rain
December65.5°F / 45.8°F4.98 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket26% of this ZIP code's area
Far from a supermarket26% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Port Arthur Independent School District94.9% of this ZIP code's land area
Sabine Pass Independent School District2.4% of this ZIP code's land area
Nederland Independent School District1.1% of this ZIP code's land area
Beaumont Independent School District1% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability73more vulnerable than 73% of US census tracts
Socioeconomic status74more vulnerable than 74% of US census tracts
Household characteristics63more vulnerable than 63% of US census tracts
Racial and ethnic minority status69more vulnerable than 69% of US census tracts
Housing type and transport56more vulnerable than 56% of US census tracts
Walkability5.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

77642 Port Arthur, TX6.6 km away
77619 Groves, TX9.5 km away
77627 Nederland, TX11.7 km away
77651 Port Neches, TX11.8 km away
77643 Port Arthur, TX13.8 km away
77641 Port Arthur, TX16.2 km away
77655 Sabine Pass, TX16.7 km away
77611 Bridge City, TX20.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Jefferson County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area37.27 sq mi
Water area32.59 sq mi
Population density469 people per sq mi
Latitude, longitude29.8709, -93.9643

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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