US ZIP Code
78598

Port Mansfield, TX

Willacy County  ·  Texas

● Active
👥 157 Population ↑ 80% since 2019
💰 $25,000 Median HH Income
▼ 67% below avg ↓ 18% since 2019
🎂 66.5 Median Age ↑ 6% since 2019
🎓 57.1% College Grads
▲ 47% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code78598
CityPort Mansfield
StateTexas (TX)
CountyWillacy County
Area Code956
Elevation15 ft
Latitude26.541967
Longitude-97.419907
TimezoneChicago (DST)
FIPS48489
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 53.5% (84) Female 46.5% (73) ♀

Race & Ethnicity

White: 87.3%Hispanic: 5.1%Other: 7.6%Race
White87.3%
Hispanic5.1%
Other7.6%

Age Breakdown

Under 5
4%
5–17
13%
18–24
8%
25–44
8%
45–64
10%
65+
33%

Key Indicators

Median Age66.5 yrs ↑ 6% since 2019
Avg Household Size1.71
Below Poverty17.2% ▲ 72% above avg
College Grads57.1% ▲ 47% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate20 (19%)
Some College14 (13.3%)
Associates11 (10.5%)
Graduate Degree60 (57.1%)

Education

HS Grad: 19%Some College: 13.3%Associates: 10.5%Graduate: 57.1%Edu
HS Grad19.0%
Some College13.3%
Associates10.5%
Graduate57.1%
Housing & Income

Housing Tenure

Owner: 91.3%Renter: 8.7%Tenure
Owner91.3%
Renter8.7%

Home Value Distribution

$50k–100k
32%
$100k–150k
19%
$150k–200k
6%
$200k–300k
30%
Over $500k
13%

Financials

Median HH Income$25,000 ▼ 67% below avg ↓ 18% since 2019
Total Units314
Vacant Units222
Avg HH Size1.71

Income Distribution

Under $25k
50%
$25k–50k
28%
$75k–100k
12%
$100k–150k
5%
$150k–200k
4%
Employment & Commute

How People Get to Work

Drove Alone
82%
Work From Home
18%

Commute Time

Under 15 min
45%
15–30 min
42%
30–45 min
13%
Housing Stock

Year Built

1940s–1950s
26%
1960s–1970s
7%
1980s–1990s
15%
2000+
53%

Summary

Total Units314
Vacant222
Owner Occupied91.3%
Renter Occupied8.7%
Avg HH Size1.71
Frequently Asked Questions
ZIP code 78598 is in Port Mansfield, TX, in Willacy County.
ZIP code 78598 is located in Texas (TX).
ZIP code 78598 is in Willacy County, TX.
ZIP 78598 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 78598 is 157 people (ACS 2023).
The median household income in ZIP code 78598 is $25,000 (ACS 2023).
Home value data not available.
About ZIP Code 78598

ZIP code 78598 is located in Port Mansfield, Texas, within Willacy County. With a population of 157, this is a sparsely populated ZIP code with an older community — the median age is 66.5 years. Economically, 78598 is a lower-income ZIP code: the median household income of $25,000 is well below the national average.

The population of 78598 is primarily White (87.26%). Residents are well-educated — 57.1% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 17.2%. Household income has declined by 18% since 2019.

About 18% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 82%.

Overall, ZIP code 78598 in Port Mansfield, TX is characterized as lower-income, well-educated, an older community, and predominantly owner-occupied.