It is located in the outer northern suburbs of Melbourne, including Epping, Lalor, Mill Park, South Morang, Thomastown, Wollert and Bundoora.
It was named after Rt Hon James Scullin, Prime Minister of Australia from 1929 to 1932.
The Division has been a safe seat for the Australian Labor Party since its inception.
Harry Jenkins Sr. was the Speaker of the Australian House of Representatives from 1983 to 1986.
Harry Jr. retired at the 2013 election, and was succeeded by current member Andrew Giles.