Electoral district of Collie-Preston

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Western AustraliaLegislative Assembly
WA Election 2021 - Collie-Preston.png
Location of Collie-Preston (dark green) in Western Australia
State Western Australia
Dates current1901–present
MP Jodie Hanns
Party Labor
Namesake Collie, Preston River
Electors 30,741 (2021)
Area4,001 km2 (1,544.8 sq mi)
Demographic South West
Coordinates 33°20′S115°56′E / 33.34°S 115.94°E / -33.34; 115.94 Coordinates: 33°20′S115°56′E / 33.34°S 115.94°E / -33.34; 115.94

Collie-Preston is a Legislative Assembly electorate in the state of Western Australia. While the seat was known as Collie for just over a century of its existence as an electorate, the seat was known as South West Mining from 1901 to 1904, and Collie-Wellington from 2005 to 2008. It is named for the South West coal mining town of Collie. While historically a very safe seat for the Labor Party, redistributions in 1988 and 2007 due to increases in the quota for country seats which had historically been malapportioned resulted in the seat incorporating surrounding rural shires which were hostile to Labor and thereby becoming more marginal.



Collie was originally created as the seat of "South West Mining" in the Constitution Act Amendment Act 1899, the last redistribution of seats to require a modification of the Constitution. [1] It was first contested at the 1901 election. In 1904, it was renamed "Collie" with almost no changes to its boundaries. [2] In the Redistribution of Seats Act 1911, its boundaries were so unusually contorted by the then-Liberal government, which was accused of trying to lock Labor votes in Premier Frank Wilson's marginal seat of Sussex behind Collie's boundaries, that the Kalgoorlie Miner and other newspapers used the seat's map as an effective mascot for the bill. However, the boundaries remained unchanged until a later redistribution ahead of the 1930 election.

The seat changed hands three times between the Liberal member John Ewing and his Labor rivals, but the seat was securely Labor from the 1908 election and for 81 years continuously remained a Labor seat, with only three members during that time—Arthur Wilson until 1947, then Harry May until 1968 and Tom Jones until 1989. [3]

In 1986, the seat had 9,410 enrolled voters compared with an average of 13,796 statewide and over 28,000 in some metropolitan electorates such as Joondalup and Murdoch. The Burke Labor government's Acts Amendment (Electoral Reform) Act 1987, passed with National Party support, increased metropolitan representation from 29 to 34 out of 57 seats, and the 1988 redistribution which resulted in Collie gaining parts of Dale and Warren combined with a significant statewide swing against the Labor Party delivered the seat to the Nationals' Dr Hilda Turnbull, who held the seat until the 2001 election. Labor's Mick Murray, head of the Country Labor grouping in Western Australia, gained the seat on his third attempt with a margin of just 34 votes.

In the 2003 redistribution, the seat was renamed Collie-Wellington when it lost its southern and eastern sections and incorporated large sections of Waroona and Harvey which had been part of Murray-Wellington. The 2007 redistribution renamed the seat Collie-Preston and largely reversed the 2003 redistribution, but adding the coastal section of the Shire of Capel which brought in residents on the fringes of metropolitan Bunbury. This slashed Murray's margin from a fairly safe 9.3 percent to an extremely marginal 0.8 percent.

Mick Murray retained the seat at the 2005, 2008 and 2013 elections. A redistribution ahead of the 2017 election saw Collie-Preston gain Donnybrook-Balingup Shire from Warren-Blackwood and Clifton Park from Bunbury while it lost Dalyellup to Bunbury. This erased Murray's paper-thin majority of 0.1 percent and made Collie-Preston notionally Liberal, on a margin of 2.9 percent. However, Murray retained the seat on a massive swing of 17.6 percent. Murray retired in 2021, and Jodie Hanns easily retained the seat for Labor. She now sits on a margin of 23.4 percent, Labor's safest outside the Perth-Mandurah axis.


Collie-Preston presently includes the Shires of Collie, Capel, Donnybrook-Balingup and Dardanup. It includes the Bunbury suburbs of Eaton and Millbridge, the towns of Balingup, Boyanup, Burekup, Capel] which includes the suburb of Dalyellup Collie, Dardanup, Donnybrook and Kirup. [4]

The seat has changed many times through its history. In the 1950s, the seat was limited to the region around Collie itself and mining areas within the Shire of West Arthur. By 1968, the seat consisted of the Shires of Collie, Donnybrook-Balingup and Boyup Brook districts, and from 1976 to 1982 also included Dardanup. The 1988 redistribution added Boddington from the abolished Dale, as well as the Greenbushes district from Warren. The 1994 redistribution added Dardanup and eastern Capel, including Boyanup but excluding Eaton and the coastal regions. Ahead of the state election, only Collie and Dardanup were retained, with the seat gaining Waroona and most of Harvey (excluding Australind and other urban districts which were part of Leschenault).

The 2007 redistribution, which took effect at the 2008 election, brought back Dardanup and Donnybrook-Balingup, but also added Capel from the abolished Capel district, and the Bunbury suburb of Eaton from the abolished Leschenault. This change rendered Collie a marginal Labor seat, with Labor's 81.7% two-party-preferred vote across the six booths in the town of Collie contrasting with the Liberals' 60.1% two-party-preferred vote across the three outer Bunbury booths. [5] With the rural districts generally historically preferring Liberal candidates—62.7% at the 2005 election and 61.9% at the 2007 federal election—the seat has been rated by Antony Green as marginal Labor with a margin of 0.9% going into the election. [6]

Members for Collie

South-West Mining
  John Ewing Ministerial1901–1904
  Ernest Henshaw Labor 1904–1905
  John Ewing Ministerial1905–1908
  Arthur Wilson Labor1908–1947
  Harry May Labor1947–1968
  Tom Jones Labor1968–1989
 Dr Hilda Turnbull National 1989–2001
  Mick Murray Labor2001–2005
  Mick Murray Labor2005–2008
  Mick Murray Labor2008–2021
  Jodie Hanns Labor2021–present

Election results

2021 Western Australian state election: Collie-Preston [7]
Labor Jodie Hanns 16,08562.2+12.3
Liberal Jane Goff3,77814.6−3.3
National Wayne Sanford2,2458.7−4.3
Greens Gordon Scantlebury8893.4−0.9
Shooters, Fishers, Farmers Clinton Thomas7733.0−0.9
One Nation Michael Williams5332.1−6.6
No Mandatory Vaccination Christine Merrifield4871.9+1.9
Legalise Cannabis Emily Wilkinson4581.8+1.8
Independent Russell Sheridan3851.5+1.5
Sustainable Australia Graham Butler1490.6+0.6
WAxit Jackie Tomic710.3+0.3
Total formal votes25,85396.0+0.2
Informal votes1,0824.0−0.2
Turnout 26,93587.6+1.2
Two-party-preferred result
Labor Jodie Hanns 18,96373.4+8.7
Liberal Jane Goff6,87926.6−8.7
Labor hold Swing +8.7

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  1. Government of Western Australia (1899). "Constitution Act Amendment Act (63 Vict No 19)". Statutes of Western Australia, 1899. pp. 227–257. Given assent on 16 December 1899.
  2. Government of Western Australia (1904). "Redistribution of Seats Act (No 21 of 1904)". Statutes of Western Australia, 1903-1904. pp. 515–540. Given assent on 16 January 1904.
  3. Black, David; Prescott, Valerie (1997). Election statistics, Legislative Assembly of Western Australia, 1890-1996. Perth: Parliamentary History Project and Western Australian Electoral Commission. pp. 64–68. ISBN   0-7309-8409-5.
  4. Western Australian Electoral Commission (29 October 2007). "2007 Electoral Distribution - Final Boundaries - South West Region - Collie-Preston". Archived from the original on 27 July 2011. Retrieved 2008-08-05.
  5. The statistical returns for 2005 show 3,648 out of 4,466 voters preferred Labor at Allanson, Wilson Park and the four Collie booths, and 2,983 out of 4,683 voters preferred Liberal at Dalyellup, Eaton and Gelorup booths.
  6. Green, Antony. "2007 Western Australia Redistribution". Australian Broadcasting Corporation . Retrieved 2008-08-13.
  7. 2021 State General Election – Collie-Preston District Results, WAEC