Postal Codes

78599 ZIP Code

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ZIP code 78599 covers Weslaco, Texas, with a population of about 35,400 and a median household income of $55,939.

Population
35,4001,335 per square mile
Median age
27.311.4 points below the US average
Median household income
$55,93927% below the Texas median
Poverty rate
23.6%11.2 points above the US average
Typical home value
$187,913up 35.7% in five years
Median rent
$95429% below the Texas median
Degree or higher
16%19 points below the US average
Homeownership
72%7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
173

Where 78599 is

Weslaco, 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

Population35,400
Median age27.3
Family households83.4%
Born outside the US20.4%
Speaks a language other than English at home80.6%
White (non-Hispanic)2.1%
Black (non-Hispanic)1%
Asian (non-Hispanic)0%
Hispanic or Latino96.5%
Veterans3.2%
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

Median household income$55,939
Income per person$18,228
Poverty rate23.6%
Households on SNAP or cash assistance33.4%

Household income distribution

Under $10k9.2%
$10–15k6.4%
$15–20k6.4%
$20–25k3.5%
$25–30k2.9%
$30–35k4.8%
$35–40k5.6%
$40–45k3.1%
$45–50k3.5%
$50–60k8.0%
$60–75k8.7%
$75–100k18.9%
$100–125k5.1%
$125–150k6.3%
$150–200k4.9%
$200k or more2.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$113,300
Median gross rent$954
Rent as a share of household income27.6%
Owner-occupied72%
Vacant homes7.2%
Median year built2000

What the homes are

Detached house71.7%
Attached house0.9%
2 to 4 units5.8%
5 to 19 units6.4%
20 or more units3.5%
Mobile home11.7%
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$187,913as of 2026-07
Typical home value, 1 yeardown 0.4%
Typical home value, 5 yearsup 35.7%
Typical home value, 10 yearsup 99.3%
Typical asking rent$1,015as of 2026-07
Typical home value since 2000
200720162026$188,737$75,851

$79,609 in 2007 to $187,913 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.1%
Bachelor's degree or higher16%
High school diploma or higher66.7%
Works from home7.7%
Drives to work alone76.1%
Takes public transport0.3%
Commutes 45 minutes or more11.3%
Health

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

Obesity46.1% 12.7 pts above the national average of 33.4%
Diagnosed diabetes17.8% 5.8 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure32.8% 1.3 pts below the national average of 34.1%
Fair or poor general health36.7% 16.4 pts above the national average of 20.3%
No health insurance (18–64)41.1% 29.8 pts above the national average of 11.3%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity40.3% 14.9 pts above the national average of 25.4%
Arthritis19.4% 5.7 pts below the national average of 25.1%
Binge drinking16.8% 0.8 pts above the national average of 16%
Taking blood pressure medication72% 2.7 pts below the national average of 74.7%
Cancer (non-skin)3.7% 4 pts below the national average of 7.7%
Current asthma9% 1.4 pts below the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year70.4% 6.3 pts below the national average of 76.7%
Cholesterol screening78.2% 7.7 pts below the national average of 85.9%
Cognitive disability21.8% 7 pts above the national average of 14.8%
Colorectal screening46.7% 17.6 pts below the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist40.2% 21.1 pts below the national average of 61.3%
Any disability41.3% 10.6 pts above the national average of 30.7%
Hearing disability7.6% 0.9 pts above the national average of 6.7%
High cholesterol34.6% 1.6 pts below the national average of 36.2%
Independent living disability12.8% 4.4 pts above the national average of 8.4%
Mammography use68.6% 7.3 pts below the national average of 75.9%
Poor mental health (14+ days)19.5% 2.7 pts above the national average of 16.8%
Mobility disability20.2% 6.2 pts above the national average of 14%
Poor physical health (14+ days)17.7% 4.2 pts above the national average of 13.5%
Self-care disability7.4% 3.4 pts above the national average of 4%
Sleeps under 7 hours41.2% 4.8 pts above the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost17.2% 4.2 pts above the national average of 13%
Vision disability12.9% 7.3 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments173
People employed2,173
Annual payroll$79,435,000
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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 69.9% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 11 census tracts this ZIP code covers
Expected annual loss55.2 out of 100
Community resilience0.4 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 wave96.4Very High at its worst in this ZIP code
Hurricane93.2Very High at its worst in this ZIP code
Drought89.8Relatively Moderate at its worst in this ZIP code
Hail84.7Relatively High at its worst in this ZIP code
Heat wave79Relatively High at its worst in this ZIP code
Ice storm72.1Relatively Moderate at its worst in this ZIP code
Wildfire68.4Relatively Low at its worst in this ZIP code
Winter weather55.6Relatively Moderate at its worst in this ZIP code
Tornado48.7Relatively Moderate at its worst in this ZIP code
Lightning35.2Relatively Moderate at its worst in this ZIP code
Strong wind31.2Relatively Low at its worst in this ZIP code
River flooding30.7Relatively Moderate at its worst in this ZIP code
Landslide18.2Very Low at its worst in this ZIP code
Earthquake18Very 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$55,939$76,292$78,538
Income per person$18,228$39,446$43,289
Poverty rate23.6%13.8%12.4%
Median home value$113,300$260,400$303,400
Median gross rent$954$1,339$1,348
Homeownership72%62.6%65%
Bachelor's degree or higher16%33.1%35%
Unemployment rate8.1%5.1%5.2%
Works from home7.7%12.8%13.5%
Born outside the US20.4%17.2%13.9%
Median age27.335.538.7
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 stationWESLACO, TX US2.9 km away
Rain in a year26 in

Average high and low by month

January71.3°F / 50°F1.02 in rain
February75.4°F / 53.5°F0.95 in rain
March80.7°F / 60.1°F1.45 in rain
April86.3°F / 65.1°F1.46 in rain
May90.3°F / 71.5°F2.61 in rain
June94.6°F / 75.5°F2.79 in rain
July95.7°F / 76.5°F2.24 in rain
August97.3°F / 76.4°F1.87 in rain
September92°F / 72.8°F5.64 in rain
October87.2°F / 66°F2.84 in rain
November79.9°F / 58.4°F1.61 in rain
December72°F / 51.6°F1.25 in rain
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 supermarket88% of this ZIP code's area
Far from a supermarket88% of this ZIP code's area
No vehicle and far from a supermarket61% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Weslaco Independent School District90.5% of this ZIP code's land area
Edcouch-Elsa Independent School District9.5% 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 vulnerability89more vulnerable than 89% of US census tracts
Socioeconomic status86more vulnerable than 86% of US census tracts
Household characteristics82more vulnerable than 82% of US census tracts
Racial and ethnic minority status98more vulnerable than 98% of US census tracts
Housing type and transport69more vulnerable than 69% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

78596 Weslaco, TX1.1 km away
78537 Donna, TX6.3 km away
78570 Mercedes, TX7.3 km away
78579 Progreso, TX8.4 km away
78516 Alamo, TX13 km away
78543 Elsa, TX15.3 km away
78558 La Blanca, TX15.5 km away
78559 La Feria, TX16.5 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.

Hidalgo County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area26.52 sq mi
Water area0.07 sq mi
Population density1,335 people per sq mi
Latitude, longitude26.1595, -97.9908

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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