Postal Codes

78598 ZIP Code

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ZIP code 78598 covers Port Mansfield, Texas.

Median age
66.527.8 points above the US average
Poverty rate
18%5.6 points above the US average
Typical home value
$273,626down 12% in five years
Degree or higher
51.3%16.3 points above the US average
Homeownership
91.3%26.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
11

Where 78598 is

Port Mansfield, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Median age66.5
Family households33.7%
Born outside the US0%
Speaks a language other than English at home23.3%
White (non-Hispanic)87.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino5.1%
Veterans10.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$21,339
Poverty rate18%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k29.3%
$15–20k12.0%
$20–25k8.7%
$25–30k13.0%
$30–35k0.0%
$35–40k0.0%
$40–45k15.2%
$45–50k0.0%
$50–60k0.0%
$60–75k0.0%
$75–100k12.0%
$100–125k5.4%
$125–150k0.0%
$150–200k4.3%
$200k or more0.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed160
Mean adjusted gross income$65,956
Returns declaring $200,000 or more0%
Returns, under $25k37.5%
Returns, $25k–$50k18.8%
Returns, $50k–$75k18.8%
Returns, $75k–$100k0.0%
Returns, $100k–$200k25.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied91.3%
Vacant homes70.7%
Median year built1987

What the homes are

Detached house70.1%
Attached house11.1%
2 to 4 units6.4%
5 to 19 units8.3%
Mobile home4.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$273,626as of 2026-07
Typical home value, 1 yearup 6.9%
Typical home value, 5 yearsdown 12%
Typical home value since 2000
201920222026$332,990$255,970

$259,785 in 2019 to $273,626 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher51.3%
High school diploma or higher89.7%
Works from home18.4%
Drives to work alone81.6%
Takes public transport0%
Commutes 45 minutes or more0%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity40% 6.6 pts above the national average of 33.4%
Diagnosed diabetes22.7% 10.7 pts above the national average of 12%
Currently smokes19.7% 6.5 pts above the national average of 13.2%
High blood pressure51.2% 17.1 pts above the national average of 34.1%
Fair or poor general health34.5% 14.2 pts above the national average of 20.3%
No health insurance (18–64)20.6% 9.3 pts above the national average of 11.3%
Depression22.9% 1 pts above the national average of 21.9%
No leisure-time physical activity39.6% 14.2 pts above the national average of 25.4%
Arthritis40.8% 15.7 pts above the national average of 25.1%
Binge drinking10.9% 5.1 pts below the national average of 16%
Taking blood pressure medication85.4% 10.7 pts above the national average of 74.7%
Cancer (non-skin)12.3% 4.6 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease14% 7.8 pts above the national average of 6.2%
Routine check-up in past year80.4% 3.7 pts above the national average of 76.7%
Cholesterol screening88.9% 3 pts above the national average of 85.9%
Cognitive disability17.9% 3.1 pts above the national average of 14.8%
Colorectal screening59.7% 4.6 pts below the national average of 64.3%
COPD15.5% 8.9 pts above the national average of 6.6%
Visited a dentist40.6% 20.7 pts below the national average of 61.3%
Any disability46.1% 15.4 pts above the national average of 30.7%
Hearing disability14% 7.3 pts above the national average of 6.7%
High cholesterol47.9% 11.7 pts above the national average of 36.2%
Independent living disability13.2% 4.8 pts above the national average of 8.4%
Mammography use62.3% 13.6 pts below the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability28.8% 14.8 pts above the national average of 14%
Poor physical health (14+ days)21.5% 8 pts above the national average of 13.5%
Self-care disability7.9% 3.9 pts above the national average of 4%
Sleeps under 7 hours37.8% 1.4 pts above the national average of 36.4%
Stroke7% 3.6 pts above the national average of 3.4%
All natural teeth lost31.2% 18.2 pts above the national average of 13%
Vision disability10% 4.4 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments11
People employed46
Annual payroll$1,018,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 97.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss93.7 out of 100
Community resilience1.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave99.9Very High at its worst in this ZIP code
Drought98.7Relatively High at its worst in this ZIP code
Hurricane97.8Very High at its worst in this ZIP code
Lightning94.2Relatively High at its worst in this ZIP code
Coastal flooding88Relatively Low at its worst in this ZIP code
Wildfire79.7Relatively Low at its worst in this ZIP code
Hail73.7Relatively Moderate at its worst in this ZIP code
Ice storm72.5Relatively Moderate at its worst in this ZIP code
Landslide59.8Very Low at its worst in this ZIP code
River flooding59.8Relatively Moderate at its worst in this ZIP code
Heat wave57.8Relatively Moderate at its worst in this ZIP code
Tornado39.3Relatively Low at its worst in this ZIP code
Winter weather37.3Relatively Low at its worst in this ZIP code
Strong wind27.3Relatively Low at its worst in this ZIP code
Earthquake9.2Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$76,292$78,538
Income per person$21,339$39,446$43,289
Poverty rate18%13.8%12.4%
Median home value$260,400$303,400
Median gross rent$1,339$1,348
Homeownership91.3%62.6%65%
Bachelor's degree or higher51.3%33.1%35%
Unemployment rate0%5.1%5.2%
Works from home18.4%12.8%13.5%
Born outside the US0%17.2%13.9%
Median age66.535.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPORT MANSFIELD, TX US0.4 km away
Rain in a year25 in
Snow in a year0 in

Average high and low by month

January67.7°F / 50.3°F1.13 in rain
February71°F / 54.5°F1.75 in rain
March75.6°F / 60.5°F1.33 in rain
April80.8°F / 66.5°F1.41 in rain
May85.3°F / 72.7°F2.39 in rain
June89.6°F / 76.6°F2 in rain
July90.5°F / 77.7°F2.39 in rain
August91.8°F / 77.5°F1.15 in rain
September88.5°F / 73.6°F5.37 in rain
October84.1°F / 68°F3.1 in rain
November76.4°F / 59.6°F1.98 in rain
December70.3°F / 52.2°F1.25 in rain, 0.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

San Perlita Independent School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability96more vulnerable than 96% of US census tracts
Socioeconomic status96more vulnerable than 96% of US census tracts
Household characteristics85more vulnerable than 85% of US census tracts
Racial and ethnic minority status90more vulnerable than 90% of US census tracts
Housing type and transport85more vulnerable than 85% of US census tracts
Walkability3.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78590 San Perlita, TX22.2 km away
78583 Rio Hondo, TX37.8 km away
78580 Raymondville, TX37.9 km away
78569 Lyford, TX39 km away
78597 South Padre Island, TX42 km away
78568 Lozano, TX42.2 km away
78594 Sebastian, TX45.1 km away
78551 Harlingen, TX45.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Willacy County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area6.34 sq mi
Water area65.68 sq mi
Latitude, longitude26.5548, -97.4250

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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