The Hamilton Police Service (HPS) is the police service of the city of Hamilton, Ontario, Canada. As of 2021, the service employed 829 sworn officers and 414 non-sworn staff, serving a population of about 570 000 residents. The service's headquarters are located at 155 King William St., Hamilton, Ontario. As of 2022, the service's budget is $183 542 539, roughly 18.5% of the City's overall budget. It is one of the oldest police forces in Ontario.