Willingboro Township is a township in Burlington County, New Jersey. The township is a suburb of Philadelphia and part of the South Jersey geographic region. As of the 2020 census, the population was 31,889. The township has British roots going back to the 17th century. Abraham Levitt and Sons purchased and developed Willingboro land in the 1950s and 1960s as a planned community in their Levittown model.