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is a borough in Allegheny County, Pennsylvania, United States. The population was 4,228 at the 2000 census.
The Mayor of Port Vue is currently Robert C. Erkel.
Port Vue is located along the Youghiogheny River near its confluence with the more navigable Monongahela River. It is bounded by McKeesport to the north and east, Liberty to the south and Glassport to the west.
According to the United States Census Bureau, the borough has a total area of 1.1 square miles (2.9 km²), of which, 1.1 square miles (2.8 km²) of it is land and 0.04 square miles (0.1 km²) of it (3.54%) is water.'