The1930 New South Wales state election was for 90electoral districts each returning a single member with compulsory preferential voting.^[1] The principal change from the 1927 election was the division of the state into 3 zones, Sydney with forty-three districts, Newcastle with five, and the country with forty-two. While the average number of enrolled voters per electorate was 16,009, in the country zone the average was 13,028,^[b], in Newcastle 18,933,^[c] and Sydney 18,580.^[d][2]

John Ross won the seat at the1927 election as a Nationalist however he resigned from the party before the election,^[4] and contested the seat as an Independent Nationalist

Joseph Cahill (Labor) was the sitting member for the abolished district ofSt George which was largely replaced by Arncliffe.

The sitting memberH. V. Evatt(Independent Labor) was appointed to theHigh Court.

Sitting memberHarold Jaques had won the 1927 election as anindependent nationalist but rejoined the Nationalist party.

Sitting memberThomas Mutch had been expelled fromLabor in 1927, but had been re-elected as anIndependent Labor candidate.

Andrew Lysaght (Labor) was the sitting member forIllawarra.

The 1929 redistribution increased the number of seats in the rural zone,^[2] andCasino was created from parts ofTenterfield andClarence both of which were held by theCountry Party.

The sitting member wasHarold Thorby (Country) who unsuccessfully contestedDubbo.

Cobar was a re-created seat, and comprised part of the districts ofSturt,Lachlan andNamoi.Mat Davidson (Labor) was the member forMurray.

Concord was a new seat, and comprised part of the district ofRyde and the abolisheddistrict of Eastwood.Henry McDicken (Labor) was the member for Ryde.

Dubbo was a re-created district.Harold Thorby (Country) was the sitting member forCastlereagh.

The sitting member wasJames Smith (Labor) who did not contest the election.Hugh Connell (Labor) was the sitting member for the abolisheddistrict of Kahibah.

The sitting member wasAndrew Lysaght (Labor) who successfully contestedBulli.Billy Davies (Labor) was the sitting member for the abolisheddistrict of Wollongong.

Mark Gosling (Labor) was the sitting member for the abolisheddistrict of Oatley.

The sitting member for Murray,Mat Davidson (Labor) successfully contestedCobar.

The sitting member wasDaniel Levy (Nationalist) who successfully contestedWoollahra

Joe Lamaro (Labor) was the sitting member for the abolisheddistrict of Enmore which was largely replaced by Petersham.

Robert Cameron (Labor) was the sitting member for the abolisheddistrict of Wallsend which was partly replaced by Waratah.

Guy Arkins (Nationalist) was the sitting member for the abolisheddistrict of Rockdale.

• Candidates of the 1930 New South Wales state election
• Members of the New South Wales Legislative Assembly, 1930–1932