Morrisville is a borough in Bucks County, Pennsylvania, United States. It is located just below the falls of the Delaware River opposite Trenton, New Jersey. The population was 9,809 in the 2020 Census.

Lower Makefield Township is a township in Bucks County, Pennsylvania, United States. Lower Makefield Township is located in the Delaware Valley and borders the Delaware River and New Jersey to its north and east. Most addresses in the township have a Yardley address; the township surrounds the borough of Yardley on its north, south, and west.