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 High-density area
- $50,973
- Median income Below-median income area
- $109,600
- Median home value Below-median home value
- 15.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average Texas ZIP), while per-capita income is $29,587. The poverty rate is 23.2%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $109,600 (56% below the average Texas ZIP), and median rent is $1,254; owner occupancy is 67.2%.
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. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Jefferson County, so 77640 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
62 establishments
- Accommodation and food services
Accommodation and food services
40 establishments
- Other services (except public administration)
Other services (except public administration)
39 establishments
- Health care and social assistance
Health care and social assistance
32 establishments
- Wholesale trade 22
Wholesale trade
22 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, 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
Who lives in ZIP 77640?
39.2
Median Age
49.7%
Male
50.3%
Female
14.3%
Foreign-Born
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 ZIP avg
$29,587
Per Capita Income
23.2%
Poverty Rate
9.6%
Unemployment Rate
20.3 min
Mean Commute Time
How ZIP 77640 ranks among Texas ZIPs
Port Arthur, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$50,973 16th percentile higher than 16% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
9,003housing units
9,003
Total Housing Units
7,175
Occupied Units
1,828
Vacant Units
2.37
Avg Household Size
Occupancy Type
$109,600
Median Home Value
-56% vs state ZIP avg
$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.
- 77642
Port Arthur (77642)
37,111 residents
- 77627
Nederland (77627)
21,454 residents
- 77640
Port Arthur (77640)
16,875 residents
- 77619
Groves (77619)
16,147 residents
- 77651 13,043
Port Neches (77651)
13,043 residents
- 77611 8,219
Bridge City (77611)
8,219 residents
What this shows Among its immediate neighbors, ZIP 77640 ranks #3 by population - useful context the national average alone can't give.
ZIP 77640 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 77611
Bridge City (77611)
$92,004 median income
- 77651
Port Neches (77651)
$81,637 median income
- 77627
Nederland (77627)
$78,001 median income
- 77619
Groves (77619)
$73,710 median income
- 77640
Port Arthur (77640)
$50,973 median income
- 77642
Port Arthur (77642)
$42,950 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 77640, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (16,875 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
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.
Related
Take this with you
What to do with ZIP 77640's numbers, next.
- See how ZIP 77640 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Port Arthur, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.