This is a list of by-elections and scheduled by-elections for the South Australian House of Assembly.
A by-election may be held when a member's seat becomes vacant through resignation, death or some other reasons. These vacancies are called casual vacancies.
Gains for Labor are highlighted in red; for Liberal and its predecessors in blue; and others in grey.
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
55th | Black | 16 November 2024 | David Speirs | Liberal | Alex Dighton | Labor | Resignation | No | ||
55th | Dunstan | 23 March 2024 | Steven Marshall | Liberal | Cressida O'Hanlon | Labor | Resignation | No | ||
55th | Bragg | 2 July 2022 | Vickie Chapman | Liberal | Jack Batty | Liberal | Resignation | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
54th | Cheltenham | 9 February 2019 | Jay Weatherill | Labor | Joe Szakacs | Labor | Resignation | Yes | ||
54th | Enfield | 9 February 2019 | John Rau | Labor | Andrea Michaels | Labor | Resignation | Yes | ||
53rd | Davenport | 31 January 2015 | Iain Evans | Liberal | Sam Duluk | Liberal | Resignation | Yes | ||
53rd | Fisher | 6 December 2014 | Bob Such | Independent | Nat Cook | Labor | Death | No | ||
52nd | Ramsay | 11 February 2012 | Mike Rann | Labor | Zoe Bettison | Labor | Resignation | Yes | ||
52nd | Port Adelaide | 11 February 2012 | Kevin Foley | Labor | Susan Close | Labor | Resignation | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
51st | Frome | 17 January 2009 | Rob Kerin | Liberal | Geoff Brock | Independent | Resignation | No |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
48th | Taylor | 5 November 1994 | Lynn Arnold | Labor | Trish White | Labor | Resignation | Yes | ||
48th | Torrens | 7 May 1994 | Joe Tiernan | Liberal | Robyn Geraghty | Labor | Death | No | ||
48th | Elizabeth | 9 April 1994 | Martyn Evans | Labor | Lea Stevens | Labor | Resignation (entered HoR) | Yes | ||
47th | Kavel | 9 May 1992 | Roger Goldsworthy | Liberal | John Olsen | Liberal | Resignation to provide Olsen a seat. | Yes | ||
47th | Alexandra | 9 May 1992 | Ted Chapman | Liberal | Dean Brown | Liberal | Resignation to provide Brown a seat. | Yes | ||
47th | Custance | 23 June 1990 | John Olsen | Liberal | Ivan Venning | Liberal | Resignation (entered Senate) | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
45th | Elizabeth | 1 December 1984 | Peter Duncan | Labor | Martyn Evans | Independent Labor | Resignation (entered HoR) | No | ||
45th | Bragg | 14 May 1983 | David Tonkin | Liberal | Graham Ingerson | Liberal | Resignation | Yes | ||
44th | Florey | 4 September 1982 | Harold O'Neill | Labor | Bob Gregory | Labor | Resignation (ill health) | Yes | ||
44th | Mitcham | 8 May 1982 | Robin Millhouse | Democrats | Heather Southcott | Democrats | Resignation (Appointed to SA Supreme Court) | Yes | ||
44th | Norwood | 16 February 1980 | Frank Webster | Liberal | Greg Crafter | Labor | Unseated | No |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
43rd | Norwood | 10 March 1979 | Don Dunstan | Labor | Greg Crafter | Labor | Resignation (ill health) | Yes | ||
41st | Goyder | 8 June 1974 | Steele Hall | Liberal Movement | David Boundy | Liberal Movement | Resignation (entered Senate) | Yes | ||
41st | Semaphore | 2 June 1973 | Reg Hurst | Labor | Jack Olson | Labor | Death | Yes | ||
40th | Adelaide | 3 July 1971 | Sam Lawn | Labor | Jack Wright | Labor | Death | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
39th | Millicent | 22 June 1968 | Des Corcoran | Labor | Des Corcoran | Labor | Unseated | Yes | ||
37th | Semaphore | 3 October 1964 | Harold Tapping | Labor | Reg Hurst | Labor | Death | Yes | ||
37th | Stirling | 28 September 1963 | William Jenkins | LCL | William McAnaney | LCL | Death | Yes | ||
37th | Yorke Peninsula | 9 February 1963 | Cecil Hincks | LCL | James Ferguson | LCL | Death | Yes | ||
37th | Mount Gambier | 15 December 1962 | Ron Ralston | Labor | Allan Burdon | Labor | Death | Yes | ||
36th | Frome | 5 November 1960 | Mick O'Halloran | Labor | Tom Casey | Labor | Death | Yes | ||
36th | Light | 23 April 1960 | George Hambour | LCL | Leslie Nicholson | LCL | Death | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
35th | Mount Gambier | 12 July 1958 | John Fletcher | Independent | Ron Ralston | Labor | Death | No | ||
35th | Wallaroo | 3 August 1957 | Leslie Heath | LCL | Lloyd Hughes | Labor | Death | No | ||
34th | Mitcham | 7 May 1955 | Henry Dunks | LCL | Robin Millhouse | LCL | Death | Yes | ||
33rd | Stirling | 18 October 1952 | Herbert Dunn | LCL | William Jenkins | LCL | Death | Yes | ||
33rd | Gawler | 19 April 1952 | Leslie Duncan | Labor | John Clark | Labor | Death | Yes | ||
33rd | Flinders | 2 June 1951 | Rex Pearson | LCL | Glen Pearson | LCL | Resignation (entered Senate) | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
32nd | Rocky River | 26 February 1949 | John Lyons | LCL | James Heaslip | LCL | Death | Yes | ||
32nd | Alexandra | 19 June 1948 | Herbert Hudd | LCL | David Brookman | LCL | Death | Yes | ||
31st | Port Pirie | 19 October 1946 | Andrew Lacey | Labor | Charles Davis | Labor | Death | Yes | ||
31st | Semaphore | 5 October 1946 | Albert Thompson | Labor | Harold Tapping | Labor | Resignation (entered HoR) | Yes | ||
31st | Burnside | 22 June 1946 | Charles Abbott | LCL | Geoffrey Clarke | LCL | Resignation | Yes | ||
31st | Victoria | 29 September 1945 | Vernon Petherick | LCL | Jim Corcoran | Labor | Death | No | ||
30th | Gouger | 10 July 1943 | Albert Robinson | Independent | Horace Bowden | Labor | Death | No | ||
30th | Thebarton | 12 December 1942 | Jules Langdon | Independent | Fred Walsh | Labor | Death | No |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
29th | Light | 21 January 1939 | Richard Layton Butler | LCL | Herbert Michael | LCL | Resignation (contested HoR) | Yes | ||
28th | Port Pirie | 3 March 1937 | John Fitzgerald | Labor | William Threadgold | Labor | Death | Yes | ||
28th | Wooroora | 29 September 1934 | Archie Cameron | LCL | Albert Robinson | Independent | Resignation (entered HoR) | No | ||
28th | Alexandra | 10 February 1934 | George Laffer | LCL | George Connor | Independent | Death | No | ||
28th | Barossa | 8 July 1933 | Herbert Basedow | Independent | Reginald Rudall | LCL | Death | No | ||
27th | Victoria | 5 March 1932 | Peter Reidy | Liberal | Vernon Petherick | Liberal | Death | Yes | ||
27th | Adelaide | 25 July 1931 | Bert Edwards | Labor | Martin Collaton | Lang Labor | Absent without leave | No |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
26th | Port Adelaide | 2 July 1927 | Thomas Thompson | Protestant Labor | Thomas Thompson | Protestant Labor | Unseated | Yes | ||
25th | Adelaide | 21 September 1926 | John Gunn | Labor | Herbert George | Labor | Resignation | Yes | ||
25th | Stanley | 16 March 1926 | Henry Barwell | Liberal | John Lyons | Liberal | Resignation | Yes | ||
25th | Yorke Peninsula | 20 January 1926 | Peter Allen | Liberal | Edward Giles | Liberal | Death | Yes | ||
25th | East Torrens | 28 November 1925 | Harry Kneebone | Labor | Walter Hamilton | Liberal | Resignation (contested HoR) | No | ||
25th | Port Adelaide | 20 June 1925 | John Price | Labor | John Stanley Verran | Labor | Resignation | Yes | ||
25th | Barossa | 22 November 1924 | William Hague | Liberal | Henry Crosby | Liberal | Death | Yes | ||
24th | Alexandra | 20 January 1923 | George Ritchie | Liberal | Percy Heggaton | Liberal | Resignation | Yes | ||
23rd | Alexandra | 12 June 1920 | Archibald Peake | Liberal | Herbert Hudd | Liberal | Death | Yes |
Parl. | By-election | Date | Incumbent | Party | Winner | Party | Cause | Retained | ||
---|---|---|---|---|---|---|---|---|---|---|
22nd | Barossa | 2 June 1917 | Ephraim Coombe | Labor | Henry Crosby | Liberal | Death | No | ||
22nd | East Torrens | 12 May 1917 | Lionel Hill | Labor | William Hamilton | Liberal | Resignation (contested Senate) | No | ||
22nd | Adelaide | 12 May 1917 | John Gunn | Labor | Bert Edwards | Labor | Resignation (contested HoR) | Yes | ||
22nd | Newcastle | 12 May 1917 | Thomas Butterfield | Labor | Edward Twopeny | Liberal | Resignation (contested Senate) | No | ||
22nd | Alexandra | 19 June 1915 | Alexander McDonald | Liberal | Archibald Peake | Liberal | Resignation | Yes | ||
21st | Alexandra | 20 December 1913 | William Blacker | Liberal | George Laffer | Liberal | Death | Yes | ||
21st | Murray | 23 November 1912 | William Jamieson | Liberal | Harry Dove Young | Liberal | Death | Yes |
The South Australian House of Assembly is one of the two chambers of the Parliament of South Australia, the other being the Legislative Council. It sits in Parliament House in the state capital, Adelaide.
State elections were held in South Australia on 25 November 1989. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party led by Premier of South Australia John Bannon defeated the Liberal Party of Australia led by Leader of the Opposition John Olsen. Labor won 22 out of 47 seats, and secured a majority of 24 with the support of two Independent Labor members.
State elections were held in South Australia on 7 December 1985. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party led by Premier of South Australia John Bannon increased its majority, and defeated the Liberal Party of Australia led by Leader of the Opposition John Olsen.
State elections were held in South Australia on 6 November 1982. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Party of Australia led by Premier of South Australia David Tonkin was defeated by the Australian Labor Party led by Leader of the Opposition John Bannon.
State elections were held in South Australia on 15 September 1979. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party led by Premier of South Australia Des Corcoran was defeated by the Liberal Party of Australia led by Leader of the Opposition David Tonkin.
State elections were held in South Australia on 12 July 1975. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party led by Premier of South Australia Don Dunstan won a third term in government, defeating the Liberal Party of Australia led by Leader of the Opposition Bruce Eastick.
State elections were held in South Australia on 10 March 1973. All 47 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party led by Premier of South Australia Don Dunstan won a second term in government, defeating the Liberal and Country League led by Leader of the Opposition Bruce Eastick.
State elections were held in South Australia on 2 April 1910. All 42 seats in the South Australian House of Assembly were up for election. The incumbent Liberal and Democratic Union (LDU) government led by Premier of South Australia Archibald Peake was defeated by the United Labor Party (ULP) led by John Verran. Each of the 13 districts elected multiple members, with voters casting multiple votes. The Peake LDU minority government had replaced the Price ULP/LDU coalition government in June 1909. The 1910 election was the first to result in a South Australian majority government. This came two weeks after the election of a first majority in either house in the Parliament of Australia at the 1910 federal election, also for Labor. Though a South Australian majority was won, the ULP did not take office until after the new lower house first met.
State elections were held in South Australia on 10 February 1912. All 40 seats in the South Australian House of Assembly were up for election. The incumbent United Labor Party government led by Premier of South Australia John Verran was defeated by the opposition Liberal Union led by Leader of the Opposition Archibald Peake. Each of the 13 districts elected multiple members, with voters casting multiple votes.
State elections were held in South Australia on 27 March 1915. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Union government led by Premier of South Australia Archibald Peake was defeated by the opposition United Labor Party led by Leader of the Opposition Crawford Vaughan. Each district elected multiple members, with voters casting multiple votes.
State elections were held in South Australia on 9 and 16 April 1921. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Union government led by Premier of South Australia Henry Barwell defeated the opposition Australian Labor Party led by Leader of the Opposition John Gunn. Each district elected multiple members, with voters casting multiple votes.
State elections were held in South Australia on 5 April 1924. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Federation government led by Premier of South Australia Henry Barwell was defeated by the opposition Australian Labor Party led by Leader of the Opposition John Gunn. Each district elected multiple members, with voters casting multiple votes.
State elections were held in South Australia on 26 March 1927. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Australian Labor Party government led by Premier of South Australia Lionel Hill was defeated by the opposition Liberal Federation led by Leader of the Opposition Richard L. Butler, and the Country Party (SA) led by Archie Cameron. Each district elected multiple members, with voters casting multiple votes.
State elections were held in South Australia on 5 April 1930. All 46 seats in the South Australian House of Assembly were up for election. The incumbent Liberal Federation government led by Premier of South Australia Richard L. Butler was defeated by the opposition Australian Labor Party led by Leader of the Opposition Lionel Hill.
State elections were held in South Australia on 29 March 1941. All 39 seats in the South Australian House of Assembly were up for election. The incumbent Liberal and Country League government led by Premier of South Australia Thomas Playford IV defeated the opposition Australian Labor Party led by Leader of the Opposition Robert Richards.
Colonial elections were held in South Australia on 9 March 1857. All 36 seats in the South Australian House of Assembly, and all 18 seats in the Legislative Council were up for election.
Colonial elections were held in South Australia from 10 February to 1 March 1875. All 46 seats in the South Australian House of Assembly were up for election.
Colonial elections were held in South Australia from 9 March to 3 April 1860. All 36 seats in the South Australian House of Assembly were up for election.