The district's original northern boundary ran along the Swan River (excluding North Fremantle), the Canning River, and Bull Creek, and then south-east out to near present-day Ashendon, before going north-east to Mount Dale.
It then ran south-east out to the Hotham River near Pingelly, and then finally due east to the Great Australian Bight.
22), large portions of Fremantle's southern territory was transferred to the new district of Murray and Williams.
In total, five men represented the district between 1870 and 1890, the longest-serving of which was William Marmion (serving from 1872 to 1890).
Both Marmion and Pearse went on to serve in the Legislative Assembly after the advent of responsible government in 1890.