Port Arthur, TX · standard

ZIP Code 77640

Jefferson County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

16,875
169/sq mi
$50,973
Median income
$109,600
Median home value
15.0%
Bachelor's or higher

The verdict

Port Arthur pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

15th pct
household income, US ZIPs
13th pct
home value, US ZIPs
169
people per sq mi
67%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 77640 against every reporting US ZIP.

ZIP code 77640 is a mid-sized community (a standard USPS delivery area) in Port Arthur, Jefferson County, Texas, home to 16,875 residents across 99.9 square miles, a density of 169 people per square mile, in the Chicago time zone.

ZIP 77640 reports a modest median household income of $50,973 (33% below the Texas average), while per-capita income is $29,587. Poverty here runs at 23.2%, with unemployment measured at 9.6%. The typical home here is valued at $109,600 (56% below the state average); renters pay a median of $1,254 monthly, and 67.2% of units are owner-occupied.

Educational attainment sits below the national norm: 15.0% of adults hold a bachelor's degree or higher, the median age is 39.2, and the average commute is 20 minutes. To put 77640 in local context, 5 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Jefferson County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 77640

Top 5 sectors by establishment count in Port Arthur, TX

Which industries have the most business establishments in ZIP 77640.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 77640, Port Arthur, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

16,875

Population

99.9

Area (sq mi)

169

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 77640?

39.2

Median Age

49.7%

Male

50.3%

Female

14.3%

Foreign-Born

White 26.1%
African American 51.2%
Asian 3.3%
American Indian or Alaska Native 0.8%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.1%
Hispanic or Latino 23.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$50,973

Median Household Income

-33% vs state

$29,587

Per Capita Income

23.2%

Poverty Rate

9.6%

Unemployment Rate

20.3 min

Mean Commute Time

How ZIP 77640 ranks nationally

Port Arthur, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$50,973 15th percentile higher than 15% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 50.3%
Bachelor's Degree or Higher 15.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

9,003

Total Housing Units

7,175

Occupied Units

1,828

Vacant Units

2.37

Avg Household Size

Occupancy Type

Owner 67.2%
Renter 32.8%

$109,600

Median Home Value

-56% vs state

$1,254

Median Rent

1974

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 313 business establishments in ZIP 77640, employing approximately 8,377 people with a combined annual payroll of $623,820,000.

313

Businesses

8,377

Employees

$623.8M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Retail trade 62 19.8%
Accommodation and food services 40 12.8%
Other services (except public administration) 39 12.5%
Health care and social assistance 32 10.2%
Wholesale trade 22 7.0%
Administrative and support and waste management and remediation services 22 7.0%
Construction 18 5.8%
Manufacturing 17 5.4%
Transportation and warehousing 16 5.1%
Real estate and rental and leasing 14 4.5%
Professional, scientific, and technical services 14 4.5%
Finance and insurance 8 2.6%
Information 4 1.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 77640 vs 77642 →

ZIP 77640 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 77640 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 77640 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 77640 ranks #5 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
77642 Port Arthur, TX 37,111 4.3 mi
77619 Groves, TX 16,147 4.8 mi
77651 Port Neches, TX 13,043 7.2 mi
77627 Nederland, TX 21,454 8.4 mi
77611 Bridge City, TX 8,219 11.6 mi

More ZIP Codes in Jefferson County

Frequently Asked Questions

What county is ZIP code 77640 in?
ZIP code 77640 (Port Arthur) is located in Jefferson County, Texas. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-tx.
What is the population of ZIP code 77640?
ZIP code 77640 in Port Arthur, TX has a population of 16,875 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 77640?
The median household income in ZIP 77640 is $50,973, which is 33% below the national average of $76,288.
What is the average home value in ZIP 77640?
The median home value in ZIP 77640 is $109,600, which is 61% below the national average of $278,155.
What is the demographic makeup of ZIP 77640?
The largest racial group in ZIP 77640 is African American at 51.2%. Hispanic or Latino residents make up 23.8% of the population.
How many businesses are in ZIP code 77640?
ZIP code 77640 has 313 business establishments employing approximately 8,377 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 77640?
The top industries by establishment count in ZIP 77640 are: Retail trade (62), Accommodation and food services (40), Other services (except public administration) (39). There are 13 industry sectors represented in total.
What is the education level in ZIP code 77640?
In ZIP code 77640, 50.3% of residents aged 25+ have a high school diploma or higher, and 15.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 77640?
The mean commute time for workers in ZIP code 77640 is 20.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 77640?
In ZIP code 77640, approximately 67.2% of occupied housing units are owner-occupied and 32.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 77640?
The poverty rate in ZIP code 77640 is 23.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.