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Allentown city, PA

ZIP Code 18102 — Allentown city, PA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLarge CommunityLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
51,315
Median Income
$40,681
-46% vs US avg
Home Value
$146,600
-58% vs US avg
Median Rent
$1,000
-14% vs US avg
Median Age
30.8 yrs
-21% vs US avg
Area Code
Congress
Top Ancestry
GermanIrishAmerican
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Location
Coordinates
40.6085, -75.4763
Elevation
390 ft
Land Area
3.0 sq mi
Water Area
0.1 sq mi (4% water)

At a glance

Population
51,315
Density
N/A
Median income
$40,681
-46% vs US avg
Home value
$146,600
-58% vs US avg
Median rent
$1,000
-14% vs US avg
Timezone

Overview of ZIP Code 18102

UniversityUniversity / college area
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What to know about ZIP 18102

ZIP code 18102 covers Allentown, PA in Lehigh County with a population of about 51,315.

At a glance, the area shows median age of 30.8 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.

Local search focus: University

Allentown, PA sits in a university / college context (near muhlenberg college (1.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Income and economy in Allentown, PA

Median household income in ZIP 18102 is about $40,681 — about 46% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 30.3%; unemployment rate near 10.9%; 11.2% of adults with a bachelor’s degree or higher (about 22.5 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Transportation, Healthcare, and Retail trade; about 5.3% of workers reporting work-from-home (about 9.9 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 18102

Median home value is about $146,600 — about 58% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,000 (about 14% below the U.S. median rent ($1,163)), and owner-occupancy near 29.9% (about 35.5 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 18102 in Allentown, PA, a household would need roughly $40,000 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 $942. That is roughly in line with the local median household income ($40,681). Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

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 2,337 for ZIP 18102 (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.

Nearby (from this ZIP)

Airport ABE (3.5 miles (5.6 km)) · Muhlenberg College (1.9 miles (3.0 km)) · Lower Delaware National Wild and Scenic River (29.6 miles (47.7 km)) · VA: Allentown VA Outpatient Clinic (693B4) (3.0 miles (4.8 km))

Full lists and map pins are in the Infrastructure section below.