Mill Park is a suburb of Melbourne, Victoria, Australia, 19 km north of Melbourne's central business district. Its local government area is the City of Whittlesea. At the 2011 Census, Mill Park had a population of 30,517. Mill Park's boundaries are South Morang and Epping to the north, Plenty and the Blossom Park and Rivergum estates to the east, Bundoora and Thomastown to the south and Lalor to the west.