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Approximately 33,000 residents as of recent census estimates. 156421 zip
Most students in this ZIP Code attend the Norwin School District . Demographics & Economy Was this information for , or were you
If you are looking for information about the 5-digit ZIP Code , 15642 ZIP Code: Irwin, PA Was this information for
A mix of historic borough residential areas and suburban developments.
The 15642 ZIP Code serves Irwin, North Huntingdon, and portions of Penn Township in Pennsylvania. It is located approximately 20 miles southeast of Pittsburgh. Community & Infrastructure Irwin County: Westmoreland County