Postal Codes

78548 ZIP Code

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ZIP code 78548 covers Grulla, Texas, with a population of about 1,456 and a median household income of $37,212.

Population
1,456195 per square mile
Median age
31.57.2 points below the US average
Median household income
$37,21251% below the Texas median
Poverty rate
23%10.6 points above the US average
Median home value
$52,30080% below the Texas median
Median rent
$80340% below the Texas median
Degree or higher
1.1%33.9 points below the US average
Homeownership
80.4%15.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
6

Where 78548 is

Grulla, 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

Population1,456
Median age31.5
Family households80%
Born outside the US15.2%
Speaks a language other than English at home88.3%
White (non-Hispanic)0%
Black (non-Hispanic)7.9%
Asian (non-Hispanic)0%
Hispanic or Latino92.1%
Veterans1.2%
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$37,212
Income per person$15,683
Poverty rate23%
Households on SNAP or cash assistance43.4%

Household income distribution

Under $10k6.5%
$10–15k16.8%
$15–20k11.8%
$20–25k6.3%
$25–30k3.8%
$30–35k2.3%
$35–40k4.4%
$40–45k6.3%
$45–50k7.6%
$50–60k12.0%
$60–75k3.6%
$75–100k10.1%
$100–125k5.9%
$125–150k0.0%
$150–200k2.5%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$52,300
Median gross rent$803
Rent as a share of household income51%
Owner-occupied80.4%
Vacant homes20.3%
Median year built1987

What the homes are

Detached house98.2%
Mobile home1.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.5%
Bachelor's degree or higher1.1%
High school diploma or higher68.7%
Works from home17%
Drives to work alone78.1%
Takes public transport0%
Commutes 45 minutes or more17.4%
Health

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

Obesity48.4% 15 pts above the national average of 33.4%
Diagnosed diabetes28.6% 16.6 pts above the national average of 12%
Currently smokes19.4% 6.2 pts above the national average of 13.2%
High blood pressure46.9% 12.8 pts above the national average of 34.1%
Fair or poor general health47.8% 27.5 pts above the national average of 20.3%
No health insurance (18–64)43.6% 32.3 pts above the national average of 11.3%
Depression20.4% 1.5 pts below the national average of 21.9%
No leisure-time physical activity54.3% 28.9 pts above the national average of 25.4%
Arthritis30.6% 5.5 pts above the national average of 25.1%
Binge drinking11.5% 4.5 pts below the national average of 16%
Taking blood pressure medication80% 5.3 pts above the national average of 74.7%
Cancer (non-skin)5.6% 2.1 pts below the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease12.2% 6 pts above the national average of 6.2%
Routine check-up in past year74.9% 1.8 pts below the national average of 76.7%
Cholesterol screening81.1% 4.8 pts below the national average of 85.9%
Cognitive disability23.4% 8.6 pts above the national average of 14.8%
Colorectal screening48.9% 15.4 pts below the national average of 64.3%
COPD10.7% 4.1 pts above the national average of 6.6%
Visited a dentist31.4% 29.9 pts below the national average of 61.3%
Any disability52.1% 21.4 pts above the national average of 30.7%
Hearing disability13% 6.3 pts above the national average of 6.7%
High cholesterol43.8% 7.6 pts above the national average of 36.2%
Independent living disability16.7% 8.3 pts above the national average of 8.4%
Mammography use66.2% 9.7 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability32.9% 18.9 pts above the national average of 14%
Poor physical health (14+ days)24.2% 10.7 pts above the national average of 13.5%
Self-care disability12% 8 pts above the national average of 4%
Sleeps under 7 hours41.6% 5.2 pts above the national average of 36.4%
Stroke6.6% 3.2 pts above the national average of 3.4%
All natural teeth lost25.7% 12.7 pts above the national average of 13%
Vision disability19.6% 14 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments6
People employed9
Annual payroll$2,276,000
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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 86.2% of US census tracts
FEMA ratingRelatively High
Expected annual loss63.7 out of 100
Community resilience0.1 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 wave99.7Very High at its worst in this ZIP code
Drought94.7Relatively Moderate at its worst in this ZIP code
Wildfire90.9Relatively Moderate at its worst in this ZIP code
Heat wave77Relatively Moderate at its worst in this ZIP code
Hurricane75.8Relatively Low at its worst in this ZIP code
Landslide75.4Very Low at its worst in this ZIP code
Hail75.3Relatively Moderate at its worst in this ZIP code
Ice storm69.6Relatively Moderate at its worst in this ZIP code
River flooding66.5Relatively Moderate at its worst in this ZIP code
Winter weather50.2Relatively Moderate at its worst in this ZIP code
Tornado46Relatively Low at its worst in this ZIP code
Strong wind30.5Relatively Low at its worst in this ZIP code
Lightning23.7Relatively Low at its worst in this ZIP code
Earthquake13.1Very 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$37,212$76,292$78,538
Income per person$15,683$39,446$43,289
Poverty rate23%13.8%12.4%
Median home value$52,300$260,400$303,400
Median gross rent$803$1,339$1,348
Homeownership80.4%62.6%65%
Bachelor's degree or higher1.1%33.1%35%
Unemployment rate9.5%5.1%5.2%
Works from home17%12.8%13.5%
Born outside the US15.2%17.2%13.9%
Median age31.535.538.7
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 stationRIO GRANDE CITY, TX US19 km away
Rain in a year22 in
Snow in a year0 in

Average high and low by month

January70.7°F / 45.2°F0.78 in rain
February76.3°F / 49.8°F0.95 in rain
March82°F / 56.3°F1.25 in rain
April88.6°F / 62.7°F1.02 in rain
May93.8°F / 69.9°F2.85 in rain
June98.1°F / 74.4°F2.76 in rain
July99°F / 75.1°F2.04 in rain
August99.4°F / 75.1°F1.34 in rain
September93.9°F / 71°F5.12 in rain
October88.4°F / 63.4°F2.46 in rain
November78.7°F / 54.3°F1.1 in rain
December71.9°F / 46.6°F0.8 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 supermarket100% 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%.

Rio Grande City Grulla 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 vulnerability89more vulnerable than 89% of US census tracts
Socioeconomic status86more vulnerable than 86% of US census tracts
Household characteristics97more vulnerable than 97% of US census tracts
Racial and ethnic minority status100more vulnerable than 100% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability3 out of 20Least walkable
Nearby ZIP codes

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

78547 Garciasville, TX6.8 km away
78595 Sullivan City, TX8.7 km away
78565 Los Ebanos, TX10 km away
78560 La Joya, TX18 km away
78582 Rio Grande City, TX19.9 km away
78576 Penitas, TX20.1 km away
78574 Mission, TX27.9 km away
78572 Mission, TX33.2 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.

Starr County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area7.48 sq mi
Population density195 people per sq mi
Latitude, longitude26.2897, -98.6479

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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