ZIP Code 18020 Map
Census ZIP Code Tabulation Area 18020 in Bethlehem, PA (Northampton County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 18020 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
21,204
Households
7,791
Median household income
$126,166
Median age
42.8 years
Median home value
$370,200
Median gross rent
$1,534/mo
Owner-occupied homes
85.8%
Bachelor's degree or higher
42.7%
Below poverty level
5%
Land area
13 sq mi
Population density
1,629 / sq mi