Bethlehem, PA ZIP Codes

Total ZIPs

123,241

Total Population

ZIP Codes in Bethlehem, PA

ZIP Code	Population	Density	Timezone
18017	37,549	897	America/New_York
18015	32,832	597	America/New_York
18018	32,413	2,424	America/New_York
18020	20,447	571	America/New_York
18016	0	—	America/New_York

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.