ZIP Code 78330 — Agua Dulce city, TX Demographics & Data

ZIP code 78330 covers Agua Dulce, TX in Nueces County with a population of about 429.

At a glance, the area shows median age of 38.9 (near the U.S. median).

It sits in telephone area code 361; U.S. House district TX-27; the CORPUS CHRISTI media market.

Median household income in ZIP 78330 is about $50,000 — about 33% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.4%; unemployment rate near 10.3%; 21.3% of adults with a bachelor’s degree or higher (about 12.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Construction, and Healthcare; about 4.9% of workers reporting work-from-home (about 10.3 points below the U.S. share (15.2%)); a mean commute of about 155.0 minutes (U.S. average near 26.8).

Median home value is about $87,100 — about 75% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 87.3% (about 21.9 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78330 in Agua Dulce, TX, a household would need roughly $24,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $560. That sits below the local median household income ($50,000), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Agua Dulce city, TX as Relatively High (composite score 96.6), which is among the highest nationally. The strongest component scores on US5 are hurricane (98.6) and flood (93.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Agua Dulce city, TX show little to no average snow and around 29.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 20 for ZIP 78330 (Agua Dulce city, TX) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.