ZIP code 18101: Allentown, PA
18101 is a ZIP code in Allentown, Pennsylvania, mainly in Lehigh County, part of the Allentown-Bethlehem-Easton, PA-NJ metro area. About 6,120 people live here.
- Population
- 6,120
- Median household income
- $44,773
- Typical home value
- $210,000+0.1% in 12 months
- Median rent
- $1,430gross, per month
- Median age
- 29.1
- Homeowners
- 8.3%of occupied homes
Shaded: ZIP code 18101's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 18101 details
| City | Allentown |
|---|---|
| State | Pennsylvania |
| County | Lehigh County |
| Metro area | Allentown-Bethlehem-Easton, PA-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.3 sq mi |
| Population density | 19,742 people per sq mi |
| Bachelor's degree or higher | 23.2% of adults 25+ |
| Average commute | 28.8 minutes |
| Center coordinates | 40.60323, -75.46950 |
Median rent in 18101 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,324/mo |
| 1 bedroom | $1,416/mo |
| 2 bedrooms | $1,531/mo |
| 3 bedrooms | $1,461/mo |
| 4 bedrooms | $1,567/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 18101
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 18102 | Allentown, PA | 0.5 mi | 51,001 |
| 18105 | Allentown, PA | 1.1 mi | — |
| 18103 | Allentown, PA | 2.5 mi | 48,746 |
| 18109 | Allentown, PA | 2.7 mi | 18,446 |
| 18032 | Catasauqua, PA | 3.7 mi | 9,555 |
| 18104 | Allentown, PA | 4.1 mi | 48,683 |
| 18052 | Whitehall, PA | 4.2 mi | 29,451 |
| 18018 | Bethlehem, PA | 4.2 mi | 32,965 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 18101?
A typical home in ZIP code 18101 is worth about $210,000 (Zillow Home Value Index). The median household here earns $44,773 a year. See what buying here would cost per month, with Pennsylvania average taxes and insurance filled in.
Monthly payment for a $210,000 homeWhat can a $44,773 income afford?Rental property numbers
About ZIP code 18101
What city is ZIP code 18101?
ZIP code 18101 is in Allentown, PA, in Lehigh County.
What county is ZIP code 18101 in?
18101 is mainly in Lehigh County, Pennsylvania.
What is the population of ZIP code 18101?
About 6,120 people live in ZIP code 18101, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 18101 in?
18101 is in Eastern Time (UTC−5). It observes daylight saving time.