What to know about ZIP 18105
ZIP code 18105 covers ZIP 18105 with a population of about 4,048.
At a glance, the area shows median age of 32.0 versus a U.S. median of about 38.9.
It sits in the PHILADELPHIA media market.
Source: U.S. Census Bureau ACS 2016–2020 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 18105 covers ZIP 18105 with a population of about 4,048.
At a glance, the area shows median age of 32.0 versus a U.S. median of about 38.9.
It sits in the PHILADELPHIA media market.
ZIP 18105 sits in a university / college context (near muhlenberg college (0.8 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 18105 is about $35,726 — about 52% below the U.S. median ($75,149).
On socioeconomic markers, US5 shows a poverty rate of 27.7%; unemployment rate near 8.2%; 23.9% of adults with a bachelor’s degree or higher (about 9.8 points below the national share (33.7%)).
Labor and commute patterns include leading industry context around Healthcare, Administrative support, and Food services; about 12.2% of workers reporting work-from-home (about 3.0 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 $151,500 — about 56% below the U.S. median home value ($348,079).
Housing tenure and rents show median gross rent around $1,200 (about 3% above the U.S. median rent ($1,163)), and owner-occupancy near 9.5% (about 55.9 points below the national owner-occupancy rate (65.4%)).
To comfortably buy a median-priced home in ZIP 18105, 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 $973. That is about 18% above the local median household income ($35,726), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.
Climate normals for ZIP 18105 show little to no average snow and around 47.4 inches of annual precipitation.
Airport ABE (4.4 miles (7.1 km)) · Muhlenberg College (0.8 miles (1.4 km)) · Lower Delaware National Wild and Scenic River (30.2 miles (48.6 km)) · VA: Allentown VA Outpatient Clinic (693B4) (2.0 miles (3.2 km))
Full lists and map pins are in the Infrastructure section below.