ZIP Code 18015 — Bethlehem city, PA Demographics & Data

ZIP code 18015 covers Bethlehem, PA in Northampton County with a population of about 34,259.

At a glance, the area shows median age of 31.5 versus a U.S. median of about 38.9.

It sits in telephone area codes 484, 610, 835; U.S. House district PA-7; the PHILADELPHIA media market.

Bethlehem, PA sits in a university / college context (near lehigh university (1.6 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 18015 is about $58,470 — about 22% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 15.3%; unemployment rate near 9.1%; 30.7% of adults with a bachelor’s degree or higher (about 3.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Retail trade; about 13.1% of workers reporting work-from-home (about 2.1 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 $243,100 — about 30% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,047 (about 10% below the U.S. median rent ($1,163)), and owner-occupancy near 50.0% (about 15.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 18015 in Bethlehem, PA, a household would need roughly $67,000 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 $1,562. That is roughly in line with the local median household income ($58,470). 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 Bethlehem city, PA as Relatively Moderate (composite score 90.0), which is among the highest nationally. The strongest component scores on US5 are flood (93.6) and hurricane (87.1). 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 Bethlehem city, PA show little to no average snow and around 53.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,560 for ZIP 18015 (Bethlehem city, 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.