The 1917 New South Wales state election involved 90 electoral district returning one member each. If a candidate failed to achieve at least 50% of the vote in an electorate, a run-off election would take place in the following weeks. In this election, 8 electorates proceeded to second round elections.
The sitting member John Cusack was expelled from in the November 1916 Labor split over conscription.
Sitting member Arthur Griffith was expelled from in the November 1916 Labor split over conscription.
The sitting member was Ernest Durack who did not contest the election.
The sitting Labor member for Belmore, Patrick Minahan, lost preselection and unsuccessfully contested Cootamundra against Labor turned Nationalist Premier William Holman.
George McDonald had been elected as a member in the 1913 election. He resigned from the party and his seat as a protest at the behaviour of the Easter 1916 NSW Labor conference and retained the seat at the by-election as an Independent.
The sitting member George Burgess was expelled from in the November 1916 Labor split over conscription.[3]
The sitting member Guy Arkins was expelled from in the November 1916 Labor split over conscription.
The sitting member William Holman was expelled from in the November 1916 Labor split over conscription.
The sitting member David Hall was expelled from in the November 1916 Labor split over conscription.
Richard Price had been elected as a member in the 1913 election. He joined the Party however he was not endorsed by the party for the 1917 election and ran as an independent.
The sitting member was Charles Wade who did not contest the election.
The sitting member Alfred Edden was expelled from in the November 1916 Labor split over conscription.
The sitting member James Morrish was expelled from in the November 1916 Labor split over conscription.
The sitting member William Ashford was expelled from in the November 1916 Labor split over conscription.
The sitting member Thomas Crawford was expelled from in the November 1916 Labor split over conscription.
The sitting member Robert Scobie was expelled from in the November 1916 Labor split over conscription.
The sitting member Patrick McGarry was expelled from in the November 1916 Labor split over conscription.[12]
The sitting member George Black was expelled from in the November 1916 Labor split over conscription.
The sitting member Arthur Gardiner was expelled from in the November 1916 Labor split over conscription.
The sitting member Robert Hollis was expelled from in the November 1916 Labor split over conscription.
The sitting member Richard Meagher was expelled from in the November 1916 Labor split over conscription.
The sitting member James McGowen was expelled from in the November 1916 Labor split over conscription.
The sitting member was James Mercer was expelled from in the November 1916 Labor split over conscription,
The sitting member William Bagnall was expelled from in the November 1916 Labor split over conscription.
The sitting member Henry Hoyle was expelled from in the November 1916 Labor split over conscription,
The sitting member William Grahame was expelled from in the November 1916 Labor split over conscription.
The sitting member John Nicholson was expelled from in the November 1916 Labor split over conscription.