Since 1970, the South Australian House of Assembly — the lower house of the Parliament of South Australia — has consisted of 47 single-member electoral districts consisting of approximately the same number of enrolled voters. The district boundaries are regulated by the State Electoral Office, according to the requirements of the South Australian Constitution and are subject to mandatory redistributions by the South Australian Electoral Districts Boundaries Commission in order to respond to changing demographics.

Boundary adjustments

Electoral boundaries are adjusted after each election. The number of electors in each district must be within 10% of the average at the time of the redistribution order. Other issues that may be considered include economic, social and regional communities of interest.[1] From 1990 to 2018, it was also a requirement that each redistribution attempt to ensure that the party that obtains 50% or more of the overall vote at a general election would be able to form a government; this requirement has since been repealed.

Election197019731975197719791982198519891993199720022006201020142018
GovtLaborLaborLaborLaborLiberalLaborLaborLaborLiberalLiberalLaborLaborLaborLaborLiberal
# of seats272623272424272237232328262325
% of seats57.455.348.957.451.151.157.446.878.748.948.959.655.348.953.2
% of vote53.354.549.253.455.050.953.248.161.051.549.156.848.447.051.9

While South Australia's total population exceeds 1.7 million, Adelaide's population exceeds 1.3 million − uniquely highly centralised, over 75% of the state's population resides in the metropolitan area and has 72% of seats (34 of 47) alongside a lack of comparatively sized rural population centres, therefore the metropolitan area is crucial in deciding election outcomes. At the 2014 election for example, although the statewide two-party vote (2PP) was 47.0% Labor vs. 53.0% Liberal, the metropolitan area recorded a 2PP of 51.5% Labor v 48.5% Liberal.a

List of the current 47 electoral districts

Maps

Numbers of electorates and members

Since 1938, the South Australian House of Assembly has had single-member electoral districts. From 1938 to 1968 there were 39 districts. Since 1970 there have been 47 electoral districts. From 1857 to 1933, the number of districts varied between 12 (1912–1915) and 27 (1890–1901). Each district returned from 1-6 members.

ParliamentsYears electedDistrictsMembers
1, 21857, 18601736
3, 4, 5, 6, 71862, 1865, 1868, 1870, 18711836
8, 9, 101875, 1878, 18812246
11, 121884, 18872652
13, 14, 15, 161890, 1893, 1896, 18992754
17, 18, 19, 201902, 1905, 1906, 19101342
2119121240
22, 23, 24, 25, 26,
27, 28
1915, 1918, 1921, 1924, 1927,
1930, 1933
1946
29, 30, 31, 32, 33,
34, 35, 36, 37, 38,
39
1938, 1941, 1944, 1947, 1950,
1953, 1956, 1959, 1962, 1965,
1968
3939
40, 41, 42, 43, 44,
45, 46, 47, 48, 49,
50, 51, 52, 53
1970, 1973, 1975, 1977, 1979,
1982, 1985, 1989, 1993, 1997,
2002, 2006, 2010, 2014, 2018
4747

Electoral districts

This table gives the number of members returned by each electoral district at each election.

1857
-1862
1862
-1875
1875
-1884
1884
-1890
1890
-1902
1902
-1912
1912
-1915
1915
-1938
1938
-1956
1956
-1970
1970
-1985
1985
-1993
1993
-1997
1997
-2002
2002
-2014
2014
-2018
2018
-now
Districts1718222627131219393947474747474747
Members3636465254424046393947474747474747
District
Adelaide, City of6
Adelaide443111111111
Albert222211
Albert Park11
Alexandra4431111
Angas11
Ascot Park11
Ashford11
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Badcoe1
Barossa222223331
Baudin 111
Black1
Bragg1111111
Briggs1
Bright1111
Brighton1
The Burra and Clare3
The Burra22
Burra2211
Burra Burra333
Burnside11
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Chaffey111111111
Cheltenham111
Coles 1111
Colton11111
Croydon111
Custance 11
Davenport1111111
Dunstan11
East Adelaide222
East Torrens222223
Edwardstown 1
Elder11111
Elizabeth1111111
Encounter Bay22222
Enfield1111
Eyre 111
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Finniss11111
Fisher111111
Flinders12322332111111111
Florey1111111
Frome2211111111
Gawler11
Gibson1
Giles11111
Gilles11
Gladstone22
Glenelg111
Goodwood1
Gouger111
Goyder111111
Gumeracha2222211
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Hammond1111
Hanson1111
Hart11
Hartley1111111
Hayward1
Henley Beach11
Heysen1111111
Hindmarsh11
Hurtle Vale1
Kaurna11111
Kavel1111111
King1
Lee11111
Light22322111111111
Little Para11
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
MacKillop11111
Mallee1
Mawson1111111
Millicent11
Mitcham111
Mitchell111111
Morialta111
Morphett1111111
Mount Barker22222
Mount Gambier11111111
The Murray1
Murray333111
Murray-Mallee1
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Napier111111
Narungga1
Newcastle22211
Newland1111111
Noarlunga22222
North Adelaide1222
Northern Territory22
Norwood1111111
Onkaparinga2222211
Peake1111
Pirie1
Playford1111111
Port Adelaide2222233211111
Port Pirie211
Price111
Prospect1
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Ramsay111111
Reynell11111
Ridley111
Rocky River111
Ross Smith1111
Salisbury1
Semaphore1111
Schubert1111
Spence1111
Stanley2223321
Stirling11
Stuart11111111
Sturt, The22
Sturt2223
Taylor11111
Tea Tree Gully1
Thebarton1
Todd11
Torrens5511111111
57-6262-7575-8484-9090-0202-1212-1515-3838-5656-7070-8585-9393-9797-0202-1414-182018+
Unley111111111
Victoria1222221111
Victoria and Albert33
Waite11111
Wallaroo32233211
Walsh1
West Adelaide2222
West Torrens2222221111
Whyalla111
Wooroora222333
Wright11111
Yatala22222
Yorke Peninsula211
Young1
1857
-1862
1862
-1875
1875
-1884
1884
-1890
1890
-1902
1902
-1912
1912
-1915
1915
-1938
1938
-1956
1956
-1970
1970
-1985
1985
-1993
1993
-1997
1997
-2002
2002
-2014
2014
-2018
2018
-now

Abolished electoral districts

These electoral districts no longer exist:

See also

Notes

^a Metropolitan 2PP correctly calculated by adding raw metro 2PP vote numbers from the 34 metro seats, both Labor and Liberal, then dividing Labor's raw metro 2PP vote from the total, which revealed a Labor metropolitan 2PP of 51.54%.[2][3][4]

References

  1. "Electoral Questions & Answers" (PDF). State Electoral Office, South Australia. Archived from the original (PDF, page 11) on 21 August 2006. Retrieved 8 November 2006.
  2. "2014 election statistics". Electoral Commission of South Australia. Government of South Australia. 2014. Archived from the original on 7 March 2016.
  3. "2014 Heysen election". Electoral Commission of South Australia. Government of South Australia. 2014. Archived from the original on 11 December 2014.
  4. "2014 Fisher by-election". ABC News. Australia. 2014.
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