ZIP Code 18101 Map
Census ZIP Code Tabulation Area 18101 in Allentown, PA (Lehigh County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 18101 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
6,120
Households
2,576
Median household income
$44,773
Median age
29.1 years
Median home value
$171,300
Median gross rent
$1,430/mo
Owner-occupied homes
8.3%
Bachelor's degree or higher
23.2%
Below poverty level
22.8%
Land area
0.3 sq mi
Population density
19,935 / sq mi