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Texas ZIP Codes
Jefferson County
Port Arthur, TX
77642
77642 ZIP Code — Port Arthur, TX
Jefferson County, Texas
ZIP code 77642 is located in
Port Arthur ,
Texas ,
within Jefferson County .
It covers approximately 19.72 square miles and serves a population of
38,720 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 409 .
About ZIP code 77642
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $90,800. Owner-occupancy sits near the national average at 52%.
Median household income is $42,076. Poverty affects 29% of residents, above the national average. SNAP benefit usage at 27% of households reflects economic stress in the area.
The dominant occupation class is service, with construction as the leading industry. The average commute of 24 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (16%), smoking (24%) compared to national benchmarks. 32% of residents lack health insurance, above the national average.
Overall, ZIP code 77642 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.
77642 ZIP code map
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Cities in ZIP code 77642
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
38,720
Population density
1,963 / sq mi
State FIPS
48
County FIPS
245
Geography
Land area
19.72 sq mi
Water area
1.81 sq mi
Latitude
29.9122
Longitude
-93.9164
Timezone
Central (CT)
Area code
409
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.1%
49.1%
39.5%
$50k – $100k
27.3%
28.7%
30.1%
$100k – $200k
10.9%
17.5%
22.6%
Over $200k
1.7%
4.7%
7.8%
Demographics & statistics
$42,076
Median household income
10.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 11,890 30.7%
18 and over 26,830 69.3%
65 and over 4,252 11.0%
Median age 30.9 years
Race & ethnicity
Black or African American
30.5%
American Indian / Alaska Native
0.9%
Native Hawaiian / Pacific Islander
0.2%
Group Count %
Black or African American 14,397 30.5%
White 11,966 25.4%
Hispanic or Latino 8,466 17.9%
Two or more races 6,160 13.1%
Asian 2,849 6%
Other race 2,817 6%
American Indian / Alaska Native 439 0.9%
Native Hawaiian / Pacific Islander 92 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
60.1%
49.1%
39.5%
$50k – $100k
27.3%
28.7%
30.1%
$100k – $200k
10.9%
17.5%
22.6%
Over $200k
1.7%
4.7%
7.8%
Range % of households
Under $10k 13.7%
$10k–$15k 8.0%
$15k–$25k 12.3%
$25k–$35k 8.6%
$35k–$50k 13.0%
$50k–$75k 17.5%
$75k–$100k 9.6%
$100k–$150k 10.0%
$150k–$200k 3.7%
$200k+ 3.7%
Median income $42,076
Housing
Housing overview
Metric Value
Median home value $90,800
Median rent / month $885
Owner occupied 51.5%
Renter occupied 48.5%
Vacant 14.7%
Single-family detached 60.2%
Large apartment buildings 5.5%
Mobile homes 0.8%
Median rooms 5.0
Avg household size (owned) 3.07
Year built
Era %
2020 or later 0.3%
2010–2019 7.6%
2000–2009 11.1%
1990–1999 8.5%
1980–1989 11.8%
1970–1979 20.8%
1960–1969 17.5%
1950–1959 13.1%
1940–1949 5.1%
1939 or earlier 4.1%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 14.0%
2 bedrooms 35.4%
3 bedrooms 38.1%
4 bedrooms 8.2%
5+ bedrooms 2.2%
Vehicles per household
Vehicles % of households
No vehicle 10.8%
1 vehicle 39.3%
2 vehicles 33.7%
3 or more 16.2%
Heating fuel
Fuel type %
Utility gas 35.8%
Electricity 61.3%
Propane / LP gas 0.6%
Fuel oil 0.1%
Solar 0.3%
No fuel used 2.1%
Households & families
Household type Count %
Married-couple family 5,018 37.0%
Cohabiting couple 622 4.6%
Male householder, no spouse 2,684 19.8%
Female householder, no spouse 5,225 38.6%
Households with children under 18 5,301 39.1%
Households with seniors (65+) 2,926 21.6%
Average household size 2.82
Marital status
Status Male Female
Never married 40.1% 40.7%
Married 44.5% 36.7%
Separated 3.4% 3.7%
Widowed 3.5% 7.0%
Divorced 8.5% 11.9%
Education
Less than 9th grade
13.7%
Some HS, no diploma
11.5%
Some college, no degree
20.0%
Graduate / professional
3.2%
Metric %
HS diploma or higher 74.8%
Bachelor's or higher 10.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 424 4.1%
Kindergarten 826 8.1%
Elementary school 5,271 51.4%
High school 2,550 24.9%
College / grad school 1,177 11.5%
Employment
Industry of employment
Education & healthcare
18.6%
Arts, food & hospitality
10.0%
Professional & management
9.2%
Public administration
5.0%
Transportation & utilities
2.9%
Agriculture & mining
1.6%
Finance & real estate
1.3%
Occupation
Category %
Management, business & arts 19.6%
Service 25.7%
Sales & office 19.1%
Natural resources & construction 18.4%
Production & transportation 17.2%
Employment type
Type %
Private sector 83.6%
Government 12.3%
Self-employed 4.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 90.3%
Carpool 6.5%
Public transit 0.7%
Walk 0.8%
Work from home 1.1%
Other means 0.6%
Avg commute (minutes) 23.9
Poverty
Married-couple families
13.5%
Female-led households
48.6%
Income support
Source % of households
Social Security 25.5%
Retirement income 13.3%
Supplemental Security 6.7%
Cash public assistance 0.9%
Food stamps / SNAP 27.4%
Health indicators
Condition %
Obesity 41.8%
High blood pressure 42.2%
High cholesterol 33.1%
Diabetes 16.4%
Heart disease 7.6%
Stroke 4.4%
Asthma 10.5%
Arthritis 24.5%
Kidney disease 3.8%
Pulmonary disease 8.7%
Cancer 5.2%
Behavior / access %
Smoking 23.7%
Binge drinking 15.5%
No physical activity 35.8%
Less than 7 hrs sleep 40.4%
Depression 21.4%
Fair or poor health 26.8%
Poor mental health 17.3%
Poor physical health 15.1%
No health insurance 37.7%
Visited doctor (checkup) 72.9%
Visited dentist 40.4%
Cholesterol screening 85.8%
Teeth loss 25.3%
Veterans & disability
Veterans Count %
Civilian veterans 1,133 4.2%
Disability %
Any disability 13.7%
Under 18 3.1%
18–64 years 13.7%
65 and over 46.8%
Health insurance coverage
Type %
Private insurance 34.9%
Public insurance 39.3%
No insurance 31.6%
Uninsured under 19 18.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 35,260 91.1%
Spanish 6,827 19.4%
Other Indo-European 5,721 16.2%
Asian & Pacific Islander 116 0.3%
Other languages 990 2.8%
Place of birth & citizenship
Origin Count %
Native born (US) 29,267 75.6%
Born in same state 28,588 73.8%
Born in different state 23,467 60.6%
Foreign born 679 1.8%
Naturalized citizen 9,453 24.4%
Not a US citizen 3,197 33.8%
Ancestry
Ancestry Count %
Italian 846 2.2%
Arab 545 1.4%
French 495 1.3%
German 163 0.4%
Ancestry Count %
Polish 44 0.1%
English 37 0.1%
Dutch 6 0%
Technology access
Metric % of households
Computer access 35.0%
Internet access 93.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 77642
What city is ZIP code 77642 in?
ZIP code 77642 is primarily assigned to Port Arthur, Texas.
What county is ZIP code 77642 in?
ZIP code 77642 falls within Jefferson County, Texas.
Is ZIP code 77642 family-oriented?
31% of residents in ZIP code 77642 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 77642?
29% of residents in ZIP code 77642 live below the poverty line, above the national average.
How educated is the population of ZIP code 77642?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 77642?
The median home value in ZIP code 77642 is $90,800.
What timezone is ZIP code 77642 in?
ZIP code 77642 observes the CST timezone.
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