ZIP Code 78742 — Austin city, TX Demographics & Data

ZIP code 78742 covers Austin, TX in Travis County with a population of about 638.

At a glance, the area shows median age of 46.3 versus a U.S. median of about 38.9.

It sits in telephone area codes 512, 737; U.S. House district TX-35; the AUSTIN media market.

Median household income in ZIP 78742 is about $74,453 — about even with the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 16.8%; unemployment rate near 0.5%; 18.1% of adults with a bachelor’s degree or higher (about 15.6 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Food services, and Administrative support; a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing tenure and rents show median gross rent around $746 (about 36% below the U.S. median rent ($1,163)), and owner-occupancy near 66.9% (about 1.5 points above the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Austin city, TX as Relatively High (composite score 97.7), which is among the highest nationally. The strongest component scores on US5 are flood (98.3) and wildfire (90.8). 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 Austin city, TX show little to no average snow and around 35.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 30 for ZIP 78742 (Austin 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.