ZIP Code 78582 — Rio Grande City city, TX Demographics & Data

ZIP code 78582 covers Rio Grande City, TX in Starr County with a population of about 44,883.

At a glance, the area shows median age of 28.6 versus a U.S. median of about 38.9.

It sits in telephone area code 956; U.S. House district TX-28; the HARLINGEN - WSLCO - BRNSVL - MCA media market.

Median household income in ZIP 78582 is about $41,452 — about 45% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 32.4%; unemployment rate near 10.4%; 13.1% of adults with a bachelor’s degree or higher (about 20.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Construction; about 6.7% of workers reporting work-from-home (about 8.5 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $102,000 — about 71% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $504 (about 57% below the U.S. median rent ($1,163)), and owner-occupancy near 74.0% (about 8.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78582 in Rio Grande City, TX, a household would need roughly $28,000 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 $655. That sits below the local median household income ($41,452), 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 Rio Grande City city, TX as Relatively Moderate (composite score 84.8), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (84.9) and hurricane (78.8). 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 Rio Grande City city, TX show little to no average snow and around 22.5 inches of annual precipitation.

IRS migration statistics show a net inflow of about 2,117 for ZIP 78582 (Rio Grande City 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.