ZIP code · Agua Dulce · Texas · United States
ZIP code 78330 — Agua Dulce
ZIP code 78330 serves Agua Dulce, Texas.
- Postal code
- 78330Single source Value from one source, not cross-checked.
- City
- Agua Dulce
- County
- Nueces FIPS 48355
- State
- Texas
- Country
- United States
- Coordinates
- 27.7817, -97.9086 — precision precise (locality)
View on OpenStreetMap - Population
- 429 (ZCTA, ACS 5-year)
- Population density
- 20 / sq mi
- Land area
- 21.7 sq mi (56.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $50,000
- Per-capita income
- $28,028
- Median age
- 38.9
- Households
- 150
- Housing units
- 190
- Median home value
- $87,100
- Congressional district
- TX-27 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 361Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 78330 with another ZIP · ZIPs within 25 miles · distance from 78330
Map of ZIP code 78330
Climate — monthly normals
Warmest month Aug (avg high 98°F), coldest Jan (avg low 45°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 69 | 74 | 79 | 85 | 90 | 95 | 97 | 98 | 93 | 87 | 78 | 70 |
| Avg low °F | 45 | 49 | 56 | 62 | 69 | 73 | 74 | 74 | 71 | 62 | 53 | 47 |
| Precip in | 1.2 | 1.3 | 2.2 | 1.5 | 4.1 | 3.7 | 2.6 | 2.9 | 4.5 | 1.7 | 1.6 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: ALICE INTL AP (7.6 mi) · NOAA NCEI
Places in ZIP 78330
- 1 schools
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page