ZIP Code 15239 — Plum borough, PA Demographics & Data

ZIP code 15239 covers Plum, PA in Allegheny County with a population of about 21,414.

At a glance, the area shows median age of 42.9 versus a U.S. median of about 38.9.

It sits in telephone area codes 412, 724, 878; U.S. House district PA-12; the PITTSBURGH media market.

Median household income in ZIP 15239 is about $101,782 — about 35% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 2.8%; unemployment rate near 2.2%; 43.4% of adults with a bachelor’s degree or higher (about 9.7 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Manufacturing, and Education; about 22.7% of workers reporting work-from-home (about 7.5 points above 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 $214,700 — about 38% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $953 (about 18% below the U.S. median rent ($1,163)), and owner-occupancy near 82.8% (about 17.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 15239 in Plum, PA, a household would need roughly $59,000 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 $1,379. That sits below the local median household income ($101,782), 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 Plum 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 Plum borough, PA show little to no average snow and around 43.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 975 for ZIP 15239 (Plum borough, PA) 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.