Plum is a borough located in Allegheny County, in the state of Pennsylvania (PA), United States. Nestled in the Middle Atlantic division of the North-east region, it covers an area of 28.6 square miles (74.0 km²) and sits at an elevation of 1040 ft. With a population of approximately 26,940 residents, Plum offers a vibrant community life.
The town's population is composed of about 48.82% males and 51.18% females, and it has a population density of 941.96 people per square mile (363.69/km²). Plum lies at a latitude of 40.49 and a longitude of -79.75, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (10.2%), German (28.5%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code N/A.