ZIP Code 78830 — Big Wells city, TX Demographics & Data

ZIP code 78830 covers Big Wells, TX in Dimmit County with a population of about 471.

At a glance, the area shows median age of 39.3 (near the U.S. median).

It sits in telephone area code 830; U.S. House district TX-23; the SAN ANTONIO media market.

Median household income in ZIP 78830 is about $32,841 — about 56% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 44.0%; unemployment rate near 14.8%; 9.2% of adults with a bachelor’s degree or higher (about 24.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Mining, Healthcare, and Transportation; about 4.3% of workers reporting work-from-home (about 10.8 points below the U.S. share (15.2%)); a mean commute of about 132.0 minutes (U.S. average near 26.8).

Median home value is about $80,000 — about 77% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $520 (about 55% below the U.S. median rent ($1,163)), and owner-occupancy near 76.6% (about 11.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78830 in Big Wells, TX, a household would need roughly $22,000 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 $514. That sits below the local median household income ($32,841), 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 Big Wells city, TX as Very Low (composite score 35.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are hurricane (61.8) and wildfire (54.5). 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 Big Wells city, TX show little to no average snow and around 21.7 inches of annual precipitation.

IRS migration statistics show a net inflow of about 22 for ZIP 78830 (Big Wells 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.