78598 ZIP Code — Port Mansfield, TX
Willacy County, Texas
ZIP code 78598 is located in Port Mansfield, Texas, within Willacy County. It covers approximately 6.34 square miles and serves a population of 108 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 956.
108
population
6.34
sq mi land
Standard
ZIP type
Central (CT)
timezone
78598 ZIP code map
Cities in ZIP code 78598
Below are the cities the US Postal Service accepts for ZIP code 78598. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Port Mansfield | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 108 |
| Population density | 17 / sq mi |
| State FIPS | 48 |
| County FIPS | 489 |
| Geography | |
|---|---|
| Land area | 6.34 sq mi |
| Water area | 65.68 sq mi |
| Latitude | 26.5417 |
| Longitude | -97.5029 |
| Timezone | Central (CT) |
| Area code | 956 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 89.1% | 59.7% | 39.5% |
| $50k – $100k | 0.0% | 28.5% | 30.1% |
| $100k – $200k | 10.9% | 10.5% | 22.6% |
| Over $200k | 0.0% | 1.4% | 7.8% |
Demographics & statistics
108
Population
17
People per sq mi
67.2
Median age
$23,523
Median household income
$23,684
Per capita income
$208,700
Median home value
$0
Median monthly rent
83.6%
Home ownership
18.2%
Poverty rate
0.0%
Unemployment
376
Housing units
44.4%
Bachelor's or higher
Age distribution
Male
Female
5
Under 5
4
4
25–34
2
5
35–44
4
3
45–54
2
10
60–64
7
27
65–74
18
10
75–84
7
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9 | 8.3% |
| 18 and over | 99 | 91.7% |
| 65 and over | 62 | 57.4% |
| Median age | 67.2 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 108 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 89.1% | 59.7% | 39.5% |
| $50k – $100k | 0.0% | 28.5% | 30.1% |
| $100k – $200k | 10.9% | 10.5% | 22.6% |
| Over $200k | 0.0% | 1.4% | 7.8% |
$10k–$15k
26.9%
$15k–$25k
32.8%
$35k–$50k
17.9%
$75k–$100k
13.4%
$100k–$150k
9.0%
| Range | % of households |
|---|---|
| $10k–$15k | 26.9% |
| $15k–$25k | 32.8% |
| $35k–$50k | 17.9% |
| $75k–$100k | 13.4% |
| $100k–$150k | 9.0% |
| Median income | $23,523 |
Housing
Home values
$50k–$100k
32.1%
$150k–$200k
10.7%
$200k–$300k
41.1%
$300k–$500k
16.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $208,700 |
| Median rent / month | $0 |
| Owner occupied | 83.6% |
| Renter occupied | 16.4% |
| Vacant | 82.7% |
| Single-family detached | 65.4% |
| Large apartment buildings | 0.0% |
| Mobile homes | 5.9% |
| Median rooms | 4.5 |
| Avg household size (owned) | 1.73 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.8% |
| 2010–2019 | 18.1% |
| 2000–2009 | 16.5% |
| 1990–1999 | 16.0% |
| 1980–1989 | 7.2% |
| 1970–1979 | 19.9% |
| 1960–1969 | 5.7% |
| 1950–1959 | 5.2% |
| 1940–1949 | 6.2% |
| 1939 or earlier | 4.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 14.7% |
| 1 bedroom | 8.3% |
| 2 bedrooms | 46.3% |
| 3 bedrooms | 29.7% |
| 4 bedrooms | 1.0% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 43.3% |
| 2 vehicles | 34.3% |
| 3 or more | 22.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 100.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 26 | 38.8% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 23 | 34.3% |
| Female householder, no spouse | 18 | 26.9% |
| Households with children under 18 | 6 | 9.0% |
| Households with seniors (65+) | 50 | 74.6% |
| Average household size | 1.61 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 15.8% | 14.3% |
| Married | 43.9% | 42.9% |
| Separated | 0.0% | 0.0% |
| Widowed | 21.1% | 42.9% |
| Divorced | 19.3% | 0.0% |
Education
Less than 9th grade
6.1%
Some HS, no diploma
11.1%
HS graduate
27.3%
Some college, no degree
11.1%
Associate's degree
0.0%
Bachelor's degree
26.3%
Graduate / professional
18.2%
| Metric | % |
|---|---|
| HS diploma or higher | 82.8% |
| Bachelor's or higher | 44.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Transportation & utilities
55.6%
Agriculture & mining
22.2%
Arts, food & hospitality
22.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 22.2% |
| Service | 44.4% |
| Sales & office | 0.0% |
| Natural resources & construction | 0.0% |
| Production & transportation | 33.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 77.8% |
| Government | 22.2% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.8% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 22.2% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
18.2%
Under 18 years
0.0%
18 and over
18.2%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 74.6% |
| Retirement income | 47.8% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 43.4% |
| High blood pressure | 53.2% |
| High cholesterol | 48.1% |
| Diabetes | 22.4% |
| Heart disease | 14.7% |
| Stroke | 6.8% |
| Asthma | 10.1% |
| Arthritis | 39.1% |
| Kidney disease | 5.8% |
| Pulmonary disease | 16.5% |
| Cancer | 9.8% |
| Behavior / access | % |
|---|---|
| Smoking | 26.0% |
| Binge drinking | 12.9% |
| No physical activity | 37.4% |
| Less than 7 hrs sleep | 34.7% |
| Depression | 22.8% |
| Fair or poor health | 32.4% |
| Poor mental health | 15.2% |
| Poor physical health | 20.3% |
| No health insurance | 34.1% |
| Visited doctor (checkup) | 76.2% |
| Visited dentist | 42.3% |
| Cholesterol screening | 91.3% |
| Teeth loss | 25.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 12 | 12.1% |
| Disability | % |
|---|---|
| Any disability | 22.2% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 38.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 59.3% |
| Public insurance | 57.4% |
| No insurance | 18.5% |
| Uninsured under 19 | 100.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 99 | 91.7% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 108 | 100.0% |
| Born in same state | 108 | 100.0% |
| Born in different state | 50 | 46.3% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 35 | 32.4% |
| Italian | 27 | 25% |
| Ancestry | Count | % |
|---|---|---|
| French | 11 | 10.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 62.0% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 78598
What city is ZIP code 78598 in?
ZIP code 78598 is primarily assigned to Port Mansfield, Texas.
What county is ZIP code 78598 in?
ZIP code 78598 falls within Willacy County, Texas.
Does ZIP code 78598 have an older population?
57% of residents in ZIP code 78598 are 65 or older, above the national average of ~17%.
Does ZIP code 78598 have a large retiree population?
75% of households in ZIP code 78598 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 78598 mostly owner-occupied?
84% of occupied units in ZIP code 78598 are owner-occupied, well above the national average.
What is the poverty rate in ZIP code 78598?
18% of residents in ZIP code 78598 live below the poverty line, above the national average.
What timezone is ZIP code 78598 in?
ZIP code 78598 observes the CST timezone.