| ZIP Code | 18104 |
|---|---|
| City | Allentown |
| State | Pennsylvania (PA) |
| County | Lehigh County |
| Area Code | 610/835 |
| Elevation | 467 ft |
| Latitude | 40.611658 |
|---|---|
| Longitude | -75.546853 |
| Timezone | New York (DST) |
| FIPS | 42077 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.3 yrs |
|---|---|
| Avg Household Size | 2.43 |
| Below Poverty | 7.0% ▼ 30% below avg |
| College Grads | 54.4% ▲ 40% above avg |
| Unemployment | 5.5% ▲ 11% above avg |
| No HS Diploma | 469 (1.5%) |
| HS Graduate | 8,479 (27.8%) |
| Some College | 2,401 (7.9%) |
| Associates | 2,573 (8.4%) |
| Bachelors | 2,870 (9.4%) |
| Graduate Degree | 13,730 (45%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $94,279 ▲ 24% above avg ↑ 28% since 2019 |
|---|---|
| Median Home Value | $296,800 ≈ Avg ↑ 28% since 2019 |
| Home/Income Ratio | 3.1x (nat avg ~3.5x) |
| Median Rent | $1,620/mo ↑ 25% since 2019 |
| Total Units | 18,686 |
| Vacant Units | 551 |
| Avg HH Size | 2.43 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 18,686 |
|---|---|
| Vacant | 551 |
| Owner Occupied | 69.6% |
| Renter Occupied | 30.4% |
| Avg HH Size | 2.43 |
ZIP code 18104 is located in Allentown, Pennsylvania, within Lehigh County. With a population of 47,999, this is a highly populated ZIP code with a middle-aged community — the median age is 39.3 years. Economically, 18104 is a middle-income ZIP code: the median household income of $94,279 is above the national average.
Real estate in ZIP code 18104 represents a mid-range housing market. The median home value of $296,800 is near the national average. Renters can expect to pay around $1,620 per month in median rent. Homeownership is strong here — 69.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.
The population of 18104 is majority White (67.53%). Residents are well-educated — 54.4% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 7.0%. Household income has grown by 28% since 2019.
The unemployment rate in 18104 stands at 5.5%, which is near the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 71%.
Overall, ZIP code 18104 in Allentown, PA is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 47,999 residents, a median household income of $94,279, and a median home value of $296,800, it offers a clear picture of life in this part of Pennsylvania.