ZIP Code 15123 — West Mifflin borough, PA Demographics & Data

ZIP code 15123 covers West Mifflin, PA in Allegheny County with a population of about 2.

It sits in telephone area code 412; U.S. House district PA-12; the PITTSBURGH media market.

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 100.0% of adults with a bachelor’s degree or higher (about 66.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Other services; about 100.0% of workers reporting work-from-home (about 84.8 points above the U.S. share (15.2%)).

FEMA’s National Risk Index rates natural-hazard risk for West Mifflin borough, PA as Relatively High (composite score 98.1), which is among the highest nationally. The strongest component scores on US5 are flood (99.2) and hurricane (75.9). 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 West Mifflin borough, PA show limited published climate normals on US5.

IRS migration statistics for ZIP 15123 (West Mifflin borough, PA) are roughly balanced (near-zero net) on US5’s published series.