ZIP Code 18101 — Allentown city, PA Demographics & Data

ZIP code 18101 covers Allentown, PA in Lehigh County with a population of about 5,789.

At a glance, the area shows median age of 30.3 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.

Allentown, PA sits in a university / college context (near muhlenberg college (2.1 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 18101 is about $41,542 — about 45% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 25.8%; unemployment rate near 13.5%; 19.2% of adults with a bachelor’s degree or higher (about 14.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Transportation, and Administrative support; about 11.3% of workers reporting work-from-home (about 3.9 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 $153,800 — about 56% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,208 (about 4% above the U.S. median rent ($1,163)), and owner-occupancy near 7.7% (about 57.7 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 18101 in Allentown, PA, a household would need roughly $42,000 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 $988. That is roughly in line with the local median household income ($41,542). 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 Allentown city, PA as Relatively Moderate (composite score 93.9), which is among the highest nationally. The strongest component scores on US5 are flood (95.4) and hurricane (90.2). 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 Allentown city, PA show little to no average snow and around 47.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 264 for ZIP 18101 (Allentown 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.