78330 ZIP Code — Agua Dulce, TX

ZIP code 78330 covers Agua Dulce, Texas, with a population of about 429.

Population: 42920 per square mile
Median age: 38.9about the US average
Poverty rate: 5.4%7 points below the US average
Median home value: $87,10067% below the Texas median
Degree or higher: 21.3%13.7 points below the US average
Homeownership: 87.3%22.3 points above the US average
Time zone: Central UTC-06:00observes daylight saving time
Businesses: 11

Where 78330 is

Agua Dulce, 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

Population	429
Median age	38.9
Family households	76%
Born outside the US	5.4%
Speaks a language other than English at home	40.9%
White (non-Hispanic)	20.3%
Black (non-Hispanic)	0%
Asian (non-Hispanic)	11.9%
Hispanic or Latino	67.8%
Veterans	7.5%

Population by age

Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person	$28,028
Poverty rate	5.4%
Households on SNAP or cash assistance	17.3%

Household income distribution

Under $10k	0.0%
$10–15k	0.0%
$15–20k	14.7%
$20–25k	6.7%
$25–30k	0.0%
$30–35k	3.3%
$35–40k	8.0%
$40–45k	10.7%
$45–50k	6.7%
$50–60k	7.3%
$60–75k	2.7%
$75–100k	10.0%
$100–125k	7.3%
$125–150k	3.3%
$150–200k	12.0%
$200k or more	7.3%

Income as declared to the IRS

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

Tax returns filed	430
Mean adjusted gross income	$59,174
Returns declaring $200,000 or more	0%
Returns, under $25k	30.2%
Returns, $25k–$50k	27.9%
Returns, $50k–$75k	18.6%
Returns, $75k–$100k	9.3%
Returns, $100k–$200k	14.0%
Returns, $200k or more	0.0%

Housing

American Community Survey 2019–2023 five-year estimates

Median home value	$87,100
Owner-occupied	87.3%
Vacant homes	21.1%
Median year built	1959

What the homes are

Detached house	92.1%
Mobile home	7.9%

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate	10.3%
Bachelor's degree or higher	21.3%
High school diploma or higher	82.3%
Works from home	4.9%
Drives to work alone	86.5%
Takes public transport	0%
Commutes 45 minutes or more	21.3%

Health

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

Obesity	39.3% 5.9 pts above the national average of 33.4%
Diagnosed diabetes	16.4% 4.4 pts above the national average of 12%
Currently smokes	10.5% 2.7 pts below the national average of 13.2%
High blood pressure	36.2% 2.1 pts above the national average of 34.1%
Fair or poor general health	25.3% 5 pts above the national average of 20.3%
No health insurance (18–64)	24.6% 13.3 pts above the national average of 11.3%
Depression	18.2% 3.7 pts below the national average of 21.9%
No leisure-time physical activity	31% 5.6 pts above the national average of 25.4%
Arthritis	21.8% 3.3 pts below the national average of 25.1%
Binge drinking	17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication	77.2% 2.5 pts above the national average of 74.7%
Cancer (non-skin)	6.2% 1.5 pts below the national average of 7.7%
Current asthma	8.6% 1.8 pts below the national average of 10.4%
Coronary heart disease	6.3% same as the national average of 6.2%
Routine check-up in past year	75.3% 1.4 pts below the national average of 76.7%
Cholesterol screening	86.6% 0.7 pts above the national average of 85.9%
Cognitive disability	14% 0.8 pts below the national average of 14.8%
Colorectal screening	57.9% 6.4 pts below the national average of 64.3%
COPD	5% 1.6 pts below the national average of 6.6%
Visited a dentist	55.9% 5.4 pts below the national average of 61.3%
Any disability	33.9% 3.2 pts above the national average of 30.7%
Hearing disability	7.5% 0.8 pts above the national average of 6.7%
High cholesterol	38.2% 2 pts above the national average of 36.2%
Independent living disability	7.8% 0.6 pts below the national average of 8.4%
Mammography use	76.2% same as the national average of 75.9%
Poor mental health (14+ days)	14.6% 2.2 pts below the national average of 16.8%
Mobility disability	16% 2 pts above the national average of 14%
Poor physical health (14+ days)	14% 0.5 pts above the national average of 13.5%
Self-care disability	4.4% same as the national average of 4%
Sleeps under 7 hours	37% 0.6 pts above the national average of 36.4%
Stroke	3.3% same as the national average of 3.4%
All natural teeth lost	10.4% 2.6 pts below the national average of 13%
Vision disability	7.2% 1.6 pts above the national average of 5.6%

Business and employment

Census ZIP Code Business Patterns 2022

Business establishments	11
People employed	114
Annual payroll	$7,762,000

Natural hazard risk

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

Overall risk	Higher than 89.3% of US census tracts
FEMA rating	Relatively High
Expected annual loss	88.3 out of 100
Community resilience	79.6 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.

Drought	99.1Relatively High at its worst in this ZIP code
Hurricane	95.7Relatively High at its worst in this ZIP code
Cold wave	92.8Relatively High at its worst in this ZIP code
Heat wave	86Relatively High at its worst in this ZIP code
Hail	80.8Relatively Moderate at its worst in this ZIP code
Wildfire	69.2Relatively Low at its worst in this ZIP code
Tornado	67.8Relatively Moderate at its worst in this ZIP code
Strong wind	67.5Relatively Moderate at its worst in this ZIP code
Landslide	66.1Very Low at its worst in this ZIP code
Lightning	65.4Relatively Moderate at its worst in this ZIP code
River flooding	62.4Relatively Moderate at its worst in this ZIP code
Ice storm	48Relatively Low at its worst in this ZIP code
Winter weather	46.1Relatively Moderate at its worst in this ZIP code
Coastal flooding	28.7Relatively Low at its worst in this ZIP code
Earthquake	9.2Very 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 ZIP	Texas	United States
Median household income	—	$76,292	$78,538
Income per person	$28,028	$39,446	$43,289
Poverty rate	5.4%	13.8%	12.4%
Median home value	$87,100	$260,400	$303,400
Median gross rent	—	$1,339	$1,348
Homeownership	87.3%	62.6%	65%
Bachelor's degree or higher	21.3%	33.1%	35%
Unemployment rate	10.3%	5.1%	5.2%
Works from home	4.9%	12.8%	13.5%
Born outside the US	5.4%	17.2%	13.9%
Median age	38.9	35.5	38.7

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 station	ALICE INTL AP, TX US12.3 km away
Rain in a year	29 in

Average high and low by month

January	68.8°F / 45.3°F1.19 in rain
February	73.6°F / 49.1°F1.33 in rain
March	79.2°F / 55.5°F2.17 in rain
April	85.4°F / 61.6°F1.46 in rain
May	90.2°F / 68.6°F4.13 in rain
June	95°F / 72.9°F3.66 in rain
July	97.1°F / 73.7°F2.61 in rain
August	98.4°F / 73.7°F2.91 in rain
September	92.5°F / 70.5°F4.51 in rain
October	86.9°F / 61.6°F1.72 in rain
November	77.5°F / 53.2°F1.58 in rain
December	70.4°F / 47.2°F1.86 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 supermarket	None of this ZIP code
Far from a supermarket	None of this ZIP code
No vehicle and far from a supermarket	None 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%.

Agua Dulce Independent School District	100% 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 vulnerability	85more vulnerable than 85% of US census tracts
Socioeconomic status	76more vulnerable than 76% of US census tracts
Household characteristics	88more vulnerable than 88% of US census tracts
Racial and ethnic minority status	83more vulnerable than 83% of US census tracts
Housing type and transport	74more vulnerable than 74% of US census tracts
Walkability	5.3 out of 20Least walkable

Nearby ZIP codes

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

78339 Banquete, TX	11.7 km away
78333 Alice, TX	16.2 km away
78332 Alice, TX	17.7 km away
78351 Driscoll, TX	19.8 km away
78372 Orange Grove, TX	20 km away
78380 Robstown, TX	20.7 km away
78342 Ben Bolt, TX	22.6 km away
78343 Bishop, TX	24.8 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.

Nueces County	100% of this ZIP code's land area
Time zone	Central (UTC-06:00 standard)
Daylight saving time	Observed
Land area	21.67 sq mi
Water area	0.01 sq mi
Population density	20 people per sq mi
Latitude, longitude	27.7817, -97.9086

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.