There are 11 zip codes in Columbia County, Pennsylvania. The most populated is 17815, located in Bloomsburg. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1781529,125Bloomsburg
1860319,147Berwick
178205,317Catawissa
178144,804Benton
178463,683Millville
178592,809Orangeville
178781,534Stillwater
186311,134Mifflinville
17888514Wilburton
17920242Aristes
1785865Numidia
showing: 11 rows

Zip Codes in Columbia County, Pennsylvania by Population (2024)