ZIP Code 79721 — Big Spring city, TX Demographics & Data

ZIP code 79721 covers Big Spring, TX in Howard County with a population of about 466.

At a glance, the area shows median age of 39.8 (near the U.S. median).

It sits in telephone area code 432; U.S. House district TX-19; the ODESSA - MIDLAND media market.

On socioeconomic markers, US5 shows a 2.2% of adults with a bachelor’s degree or higher (about 31.5 points below the national share (33.7%)).

FEMA’s National Risk Index rates natural-hazard risk for Big Spring city, TX as Relatively Low (composite score 54.8), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (89.5) and flood (45.4). 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 Spring city, TX show limited published climate normals on US5.

IRS migration statistics show a net inflow of about 22 for ZIP 79721 (Big Spring 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.