Postal Codes

78536 ZIP Code

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ZIP code 78536 covers Delmita, Texas, with a population of about 345.

Population
3458 per square mile
Median age
37.11.6 points below the US average
Poverty rate
44.1%31.7 points above the US average
Degree or higher
15.9%19.1 points below the US average
Homeownership
82.3%17.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
4

Where 78536 is

Delmita, 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

Population345
Median age37.1
Family households70.8%
Born outside the US22.9%
Speaks a language other than English at home94.7%
White (non-Hispanic)0.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino99.1%
Veterans7.3%
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$18,172
Poverty rate44.1%
Households on SNAP or cash assistance7.1%

Household income distribution

Under $10k3.5%
$10–15k0.0%
$15–20k10.6%
$20–25k21.2%
$25–30k17.7%
$30–35k2.7%
$35–40k0.0%
$40–45k8.8%
$45–50k3.5%
$50–60k1.8%
$60–75k7.1%
$75–100k15.9%
$100–125k2.7%
$125–150k0.0%
$150–200k0.0%
$200k or more4.4%

Income as declared to the IRS

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

Tax returns filed120
Mean adjusted gross income$37,008
Returns declaring $200,000 or more0%
Returns, under $25k41.7%
Returns, $25k–$50k33.3%
Returns, $50k–$75k25.0%
Returns, $75k–$100k0.0%
Returns, $100k–$200k0.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied82.3%
Vacant homes40.5%
Median year built1985

What the homes are

Detached house83.2%
Mobile home16.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate13%
Bachelor's degree or higher15.9%
High school diploma or higher74.9%
Works from home0%
Drives to work alone89.6%
Takes public transport0%
Commutes 45 minutes or more24.6%
Health

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

Obesity42.1% 8.7 pts above the national average of 33.4%
Diagnosed diabetes19.4% 7.4 pts above the national average of 12%
Currently smokes11.9% 1.3 pts below the national average of 13.2%
High blood pressure37.3% 3.2 pts above the national average of 34.1%
Fair or poor general health31.8% 11.5 pts above the national average of 20.3%
No health insurance (18–64)32.7% 21.4 pts above the national average of 11.3%
Depression18.2% 3.7 pts below the national average of 21.9%
No leisure-time physical activity39.6% 14.2 pts above the national average of 25.4%
Arthritis23.7% 1.4 pts below the national average of 25.1%
Binge drinking14.5% 1.5 pts below the national average of 16%
Taking blood pressure medication76.8% 2.1 pts above the national average of 74.7%
Cancer (non-skin)5.2% 2.5 pts below the national average of 7.7%
Current asthma8.4% 2 pts below the national average of 10.4%
Coronary heart disease7.1% 0.9 pts above the national average of 6.2%
Routine check-up in past year74% 2.7 pts below the national average of 76.7%
Cholesterol screening84.5% 1.4 pts below the national average of 85.9%
Cognitive disability16.7% 1.9 pts above the national average of 14.8%
Colorectal screening58.9% 5.4 pts below the national average of 64.3%
COPD5.5% 1.1 pts below the national average of 6.6%
Visited a dentist50.6% 10.7 pts below the national average of 61.3%
Any disability38.1% 7.4 pts above the national average of 30.7%
Hearing disability8.2% 1.5 pts above the national average of 6.7%
High cholesterol39.1% 2.9 pts above the national average of 36.2%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Mammography use74.6% 1.3 pts below the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability20.3% 6.3 pts above the national average of 14%
Poor physical health (14+ days)16.9% 3.4 pts above the national average of 13.5%
Self-care disability6.2% 2.2 pts above the national average of 4%
Sleeps under 7 hours37.4% 1 pts above the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost11.5% 1.5 pts below the national average of 13%
Vision disability10.5% 4.9 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed15
Annual payroll$970,000
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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 48% of US census tracts
FEMA ratingRelatively Low
Expected annual loss29.7 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.

Drought96.1Relatively Moderate at its worst in this ZIP code
Cold wave96Very High at its worst in this ZIP code
Wildfire94Relatively Moderate at its worst in this ZIP code
Hurricane82.3Relatively Moderate at its worst in this ZIP code
Hail71Relatively Moderate at its worst in this ZIP code
Ice storm49.3Relatively Low at its worst in this ZIP code
Landslide48.1Very Low at its worst in this ZIP code
Tornado31.3Relatively Low at its worst in this ZIP code
Heat wave28.7Relatively Low at its worst in this ZIP code
Winter weather28Relatively Low at its worst in this ZIP code
River flooding24.1Relatively Low at its worst in this ZIP code
Strong wind23Relatively Low at its worst in this ZIP code
Lightning13.9Very Low at its worst in this ZIP code
Earthquake9.5Very 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$18,172$39,446$43,289
Poverty rate44.1%13.8%12.4%
Median home value$260,400$303,400
Median gross rent$1,339$1,348
Homeownership82.3%62.6%65%
Bachelor's degree or higher15.9%33.1%35%
Unemployment rate13%5.1%5.2%
Works from home0%12.8%13.5%
Born outside the US22.9%17.2%13.9%
Median age37.135.538.7
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 stationMCCOOK, TX US31.4 km away
Rain in a year20 in

Average high and low by month

January68.8°F / 47.4°F0.87 in rain
February73.8°F / 51.3°F0.8 in rain
March79.9°F / 57.1°F1.11 in rain
April85.6°F / 62.9°F1.02 in rain
May90.4°F / 69.3°F1.74 in rain
June95.4°F / 73.2°F2.52 in rain
July97.1°F / 74.1°F1.56 in rain
August97.9°F / 73.7°F1.26 in rain
September91.9°F / 70.3°F3.92 in rain
October86.4°F / 63.7°F2.69 in rain
November76.4°F / 55.4°F1.27 in rain
December69.7°F / 48.7°F1.08 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 supermarket100% of this ZIP code's area
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 Isidro 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 vulnerability78more vulnerable than 78% of US census tracts
Socioeconomic status75more vulnerable than 75% of US census tracts
Household characteristics81more vulnerable than 81% of US census tracts
Racial and ethnic minority status100more vulnerable than 100% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability3.3 out of 20Least walkable
Nearby ZIP codes

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

78588 San Isidro, TX5.8 km away
78591 Santa Elena, TX14.9 km away
78563 Linn, TX17.2 km away
78541 Edinburg, TX28.8 km away
78353 Encino, TX34.9 km away
78574 Mission, TX40.4 km away
78542 Edinburg, TX41.6 km away
78549 Hargill, TX44 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 area43.69 sq mi
Population density8 people per sq mi
Latitude, longitude26.6801, -98.4125

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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