William L. Dill began his career in various roles in Paterson, New Jersey, after leaving school at a young age. He accumulated experience in office work, fire insurance, and journalism before serving as the Secretary to the Mayor of Paterson. Dill later became President of the Paterson Finance Board and held several state-level administrative positions, including Secretary to the New Jersey Senate and State Motor Vehicle Commissioner. His career included significant transitions from the private sector to public administration, culminating in his appointment to the New Jersey Court of Errors and Appeals.

William L. Dill's political journey reveals a figure adept at navigating complex administrative landscapes while maintaining a strategic alignment with powerful political figures. His career, spanning various roles from municipal to state levels, hints at an ideologically agile approach, blending administrative acumen with political savvy. Dill's repeated attempts at the governorship, despite not securing the office, underscore a persistent yet perhaps calculated ambition. His diverse career trajectory, from journalism to public administration, suggests a unique blend of grassroots engagement and top-tier political maneuvering.