77640 ZIP Code — Port Arthur, TX

Jefferson County, Texas

ZIP code 77640 is located in Port Arthur, Texas, within Jefferson County. It covers approximately 37.27 square miles and serves a population of 16,896 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 409.

About ZIP code 77640

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $91,100. Owner-occupancy sits near the national average at 68%.

Median household income is $49,122. Poverty affects 23% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.

College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (46%), diabetes (20%), smoking (24%) compared to national benchmarks. 22% of residents lack health insurance, above the national average.

Overall, ZIP code 77640 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

16,896

population

37.27

sq mi land

Standard

ZIP type

Central (CT)

timezone

77640 ZIP code map

Cities in ZIP code 77640

Below are the cities the US Postal Service accepts for ZIP code 77640. Using any city not on this list may result in mail delivery delays.

City	Status
Port Arthur	Acceptable
Port Arthur	Preferred

Nearby ZIP codes

77655 Sabine Pass (5.8 mi) 77705 Beaumont (12.2 mi) 77622 Hamshire (14.4 mi) 77642 Port Arthur (15.2 mi) 77665 Winnie (15.4 mi) 77627 Nederland (16.9 mi) 77619 Groves (17 mi) 77651 Port Neches (18.1 mi)

Demographics updated 06/2026

Population
Total population	16,896
Population density	453 / sq mi
State FIPS	48
County FIPS	245

Geography
Land area	37.27 sq mi
Water area	32.59 sq mi
Latitude	29.7575
Longitude	-94.0967
Timezone	Central (CT)
Area code	409

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	64.2%	49.1%	39.5%
$50k – $100k	22.8%	28.7%	30.1%
$100k – $200k	11.0%	17.5%	22.6%
Over $200k	2.1%	4.7%	7.8%

Demographics & statistics

16,896

Population

453

People per sq mi

37.9

Median age

$49,122

Median household income

$28,002

Per capita income

$91,100

Median home value

$1,101

Median monthly rent

67.9%

Home ownership

23.1%

Poverty rate

10.7%

Unemployment

6,773

Housing units

12.5%

Bachelor's or higher

Age distribution

Male Female

510

Under 5

486

534

5–9

509

597

10–14

570

511

15–19

488

706

20–24

673

1,113

25–34

1,061

1,055

35–44

1,005

996

45–54

950

562

55–59

535

531

60–64

506

900

65–74

858

497

75–84

473

138

85+

132

← Male

Female →

Age summary

Group	Count	%
Under 18	3,790	22.4%
18 and over	13,106	77.6%
65 and over	2,998	17.7%
Median age	37.9 years

Race & ethnicity

Black or African American 48.9%

White 26.6%

Hispanic or Latino 10.5%

Two or more races 6.7%

Other race 4%

Asian 3.2%

American Indian / Alaska Native 0.1%

Group	Count	%
Black or African American	9,234	48.9%
White	5,020	26.6%
Hispanic or Latino	1,975	10.5%
Two or more races	1,271	6.7%
Other race	750	4%
Asian	595	3.2%
American Indian / Alaska Native	26	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	64.2%	49.1%	39.5%
$50k – $100k	22.8%	28.7%	30.1%
$100k – $200k	11.0%	17.5%	22.6%
Over $200k	2.1%	4.7%	7.8%

Under $10k 10.6%

$10k–$15k 7.6%

$15k–$25k 10.2%

$25k–$35k 8.4%

$35k–$50k 14.6%

$50k–$75k 19.8%

$75k–$100k 10.3%

$100k–$150k 10.7%

$150k–$200k 4.9%

$200k+ 2.9%

Range	% of households
Under $10k	10.6%
$10k–$15k	7.6%
$15k–$25k	10.2%
$25k–$35k	8.4%
$35k–$50k	14.6%
$50k–$75k	19.8%
$75k–$100k	10.3%
$100k–$150k	10.7%
$150k–$200k	4.9%
$200k+	2.9%
Median income	$49,122

Housing

Home values

Under $50k 28.4%

$50k–$100k 29.3%

$100k–$150k 15.3%

$150k–$200k 8.9%

$200k–$300k 9.6%

$300k–$500k 8.0%

$500k–$1M 0.4%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$91,100
Median rent / month	$1,101
Owner occupied	67.9%
Renter occupied	32.1%
Vacant	25.3%
Single-family detached	85.0%
Large apartment buildings	1.7%
Mobile homes	2.0%
Median rooms	5.5
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	1.2%
2010–2019	15.7%
2000–2009	12.7%
1990–1999	3.9%
1980–1989	6.8%
1970–1979	10.2%
1960–1969	23.6%
1950–1959	15.7%
1940–1949	6.8%
1939 or earlier	3.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	7.8%
2 bedrooms	34.0%
3 bedrooms	46.5%
4 bedrooms	9.6%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	11.3%
1 vehicle	37.4%
2 vehicles	31.8%
3 or more	19.4%

Heating fuel

Fuel type	%
Utility gas	52.2%
Electricity	46.3%
Propane / LP gas	0.6%
Fuel oil	0.3%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	2,287	34.4%
Cohabiting couple	496	7.5%
Male householder, no spouse	1,541	23.2%
Female householder, no spouse	2,331	35.0%
Households with children under 18	1,965	29.5%
Households with seniors (65+)	2,286	34.4%
Average household size	2.52

Marital status

Status	Male	Female
Never married	46.2%	33.8%
Married	35.1%	35.9%
Separated	3.2%	1.8%
Widowed	3.8%	13.6%
Divorced	11.7%	14.8%

Education

Less than 9th grade 8.9%

Some HS, no diploma 9.5%

HS graduate 36.4%

Some college, no degree 26.2%

Associate's degree 6.4%

Bachelor's degree 7.7%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	81.6%
Bachelor's or higher	12.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	173	5.0%
Kindergarten	150	4.3%
Elementary school	1,810	52.0%
High school	764	21.9%
College / grad school	586	16.8%

Employment

Industry of employment

Education & healthcare 25.1%

Construction 14.9%

Retail trade 11.9%

Professional & management 8.9%

Arts, food & hospitality 8.7%

Manufacturing 8.0%

Transportation & utilities 8.0%

Public administration 7.3%

Finance & real estate 4.2%

Other services 1.2%

Agriculture & mining 1.0%

Wholesale trade 0.6%

Information 0.3%

Occupation

Category	%
Management, business & arts	24.3%
Service	25.8%
Sales & office	16.4%
Natural resources & construction	16.1%
Production & transportation	17.4%

Employment type

Type	%
Private sector	76.0%
Government	18.7%
Self-employed	5.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	86.9%
Carpool	11.0%
Public transit	0.8%
Walk	0.1%
Work from home	0.3%
Other means	0.9%
Avg commute (minutes)	21.1

Poverty

All people 23.1%

Under 18 years 34.7%

18 and over 19.8%

Married-couple families 5.7%

Female-led households 39.0%

Income support

Source	% of households
Social Security	42.3%
Retirement income	20.7%
Supplemental Security	6.4%
Cash public assistance	0.6%
Food stamps / SNAP	19.9%

Health indicators

Condition	%
Obesity	45.9%
High blood pressure	51.0%
High cholesterol	36.3%
Diabetes	20.2%
Heart disease	9.1%
Stroke	6.0%
Asthma	11.3%
Arthritis	29.8%
Kidney disease	4.7%
Pulmonary disease	9.9%
Cancer	6.4%

Behavior / access	%
Smoking	24.4%
Binge drinking	14.1%
No physical activity	35.6%
Less than 7 hrs sleep	42.8%
Depression	20.6%
Fair or poor health	28.4%
Poor mental health	16.7%
Poor physical health	16.3%
No health insurance	31.0%
Visited doctor (checkup)	77.7%
Visited dentist	41.9%
Cholesterol screening	89.6%
Teeth loss	26.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	766	5.8%

Disability	%
Any disability	18.2%
Under 18	9.2%
18–64 years	13.4%
65 and over	45.8%

Health insurance coverage

Type	%
Private insurance	48.0%
Public insurance	41.0%
No insurance	21.8%
Uninsured under 19	12.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	15,900	94.1%
Spanish	1,354	8.5%
Other Indo-European	1,079	6.8%
Asian & Pacific Islander	146	0.9%
Other languages	129	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,896	88.2%
Born in same state	14,759	87.4%
Born in different state	11,270	66.7%
Foreign born	137	0.8%
Naturalized citizen	2,000	11.8%
Not a US citizen	809	40.5%

Ancestry

Ancestry	Count	%
Italian	801	4.7%
Arab	392	2.3%
French	215	1.3%

Ancestry	Count	%
German	123	0.7%
English	26	0.2%
Polish	11	0.1%

Technology access

Metric	% of households
Computer access	39.4%
Internet access	91.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 77640

What city is ZIP code 77640 in?

ZIP code 77640 is primarily assigned to Port Arthur, Texas.

What county is ZIP code 77640 in?

ZIP code 77640 falls within Jefferson County, Texas.

What is the poverty rate in ZIP code 77640?

23% of residents in ZIP code 77640 live below the poverty line, above the national average.

How educated is the population of ZIP code 77640?

13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 77640 have a large retiree population?

42% of households in ZIP code 77640 receive Social Security income, suggesting a significant retiree or disability population.

What are the health statistics for ZIP code 77640?

Health data for ZIP code 77640 shows elevated rates of obesity (46%) and diabetes (20%) and smoking (24%) compared to national benchmarks.

What timezone is ZIP code 77640 in?

ZIP code 77640 observes the CST timezone.