Statistics

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Statistical comparisons of State enrolment numbers by electoral districts and regions between the 2011 and 2015 review of WA’s electoral boundaries

See also Electoral Enrolment Statistics for a summary of enrolment statistics as at 9 March 2015 and files for download.

Table 1

Comparison of State enrolment numbers at roll closes for the 2007, 20111 and 2015 reviews of WA’s electoral boundaries

Date

Number of electors

Electors including LDA

Change in Enrolments

Description

26 February 2007

1,259,665

1,293,874

(inclusive of LDA of 34,209)

From 2007 remote districts with large areas qualify for a Large District Allowance (LDA), calculated by multiplying the square kilometres of the district by 1.5%

Total number of districts increased from 57 to 59. New districts are determined under the “one vote one value” principle.

These figures are used as the basis for determining boundaries for the State General Election on 6 September 2008.

6 September 2010

1,367,532

1,401,741

(inclusive of LDA of 34,209)

Elector numbers have increased since February 2007 by 107,867 or 8.6%

These figures are used as the basis for determining boundaries for the State General Election on 9 March 2013.

9 March 2015

1,470,451

1,504,700

(inclusive of LDA of 34,249)

Elector numbers have increased since September 2010 by 102,919 or 7.5%

These figures are used as the basis for determining boundaries for the State General Election in March 2017.

1 Roll close was conducted in 2010 but the review of electoral boundaries was held pedominantly during 2011.

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Table 2

Number of enrolments2 and Average District Enrolments — change in metropolitan and country enrolments since the 2011 review of WA’s electoral boundaries

 

Year

At quarter ending

Metropolitan enrolment

Country enrolment

Total enrolment

Average district enrolment3

2010 6 September4 1,021,503 346,029 1,367,532 23,178
  December 1,025,260 347,212 1,372,472

23,262

2011 March 1,025,599 347,141 1,372,700 23,266
  June 1,018,482 345,797 1,364,279 23,123
  September 1,021,543 347,040 1,368,583 23,196
  December 1,024,182 347,983 1,372,165 23,257
2012 March 1,029,104 349,164 1,378,268 23,360
  June 1,034,956 350,835 1,385,791 23,488
  September 1,037,778 351,175 1,388,953 23,542
  December 1,047,898 353,745 1,401,643 23,756
2013 14 February5 1,061,576 357,899 1,419,475 24,058
  March 1,070,628 361,320 1,431,948 24,270
  June 1,073,023 362,133 1,435,156 24,325
  September 1,085,873 365,713 1,451,586 24,603
  December 1,090,122 366,777 1,456,899 24,693
2014 March 1,098,402 368,684 1,467,086 24,866
  June 1,101,444 368,638 1,470,082 24,917
  September 1,102,406 368,424 1,470,830 24,929
  December 1,101,254 367,356 1,468,610 24,892
2015 9 March6 1,103,172 367,279 1,470,451 24,923

2 Quarterly enrolment numbers include provisional voters (mainly comprising 17 year olds) except where there has been a count of electors for a roll close.

3 Average district enrolment is calculated by dividing total State enrolment by the number of districts in the State, with symmetric arithmetic rounding.

4 Roll close after 2011 review of electoral boundaries.

5 Roll close before 2013 State General election.

6 Roll close before 2015 review of electoral boundaries.

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Table 3a

Legislative Assembly
Metropolitan electoral districts — number of enrolments and percentage variation from the ADE7between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment
2010-2015

Alfred Cove

23,618

1.90%

24,717

-0.83%

4.65%

Armadale

24,381

5.19%

25,808

3.55%

5.85%

Balcatta

24,896

7.41%

25,592

2.68%

2.80%

Bassendean

25,011

7.91%

25,337

1.66%

1.30%

Bateman

23,037

-0.61%

23,307

-6.48%

1.17%

Belmont

22,024

-4.98%

22,875

-8.22%

3.86%

Butler

24,608

6.17%

33,293

33.58%

35.29%

Cannington

23,262

0.36%

24,199

-2.90%

4.03%

Carine

24,456

5.51%

24,640

-1.14%

0.75%

Churchlands

25,130

8.42%

26,528

6.44%

5.56%

Cockburn

23,965

3.40%

27,750

11.34%

15.79%

Cottesloe

24,320

4.93%

25,651

2.92%

5.47%

Darling Range

23,447

1.16%

30,854

23.80%

31.59%

Forrestfield

24,820

7.08%

26,506

6.35%

6.79%

Fremantle

24,992

7.83%

27,062

8.58%

8.28%

Girrawheen

25,064

8.14%

28,499

14.35%

13.70%

Gosnells

25,198

8.72%

25,334

1.65%

0.54%

Hillarys

24,312

4.89%

24,619

-1.22%

1.26%

Jandakot

24,125

4.09%

25,827

3.63%

7.05%

Joondalup

23,977

3.45%

24,143

-3.13%

0.69%

Kalamunda

23,661

2.08%

24,104

-3.29%

1.87%

Kingsley

25,043

8.05%

24,865

-0.23%

-0.71%

Kwinana

25,012

7.91%

31,149

24.98%

24.54%

Maylands

24,957

7.68%

25,841

3.68%

3.54%

Midland

23,954

3.35%

24,995

0.29%

4.35%

Mirrabooka

25,088

8.24%

26,376

5.83%

5.13%

Morley

23,914

3.18%

24,539

-1.54%

2.61%

Mount Lawley

24,815

7.06%

25,943

4.09%

4.55%

Nedlands

24,393

5.24%

25,107

0.74%

2.93%

Ocean Reef

23,814

2.74%

26,276

5.43%

10.34%

Perth

25,213

8.78%

27,764

11.40%

10.12%

Riverton

24,493

5.67%

24,144

-3.13%

-1.42%

Rockingham

25,054

8.09%

25,322

1.60%

1.07%

Scarborough

24,109

4.02%

25,534

2.45%

5.91%

South Perth

23,747

2.45%

24,663

-1.04%

3.86%

Southern River

24,328

4.96%

28,006

12.37%

15.12%

Swan Hills

24,346

5.04%

27,890

11.91%

14.56%

Victoria Park

24,259

4.66%

26,248

5.32%

8.20%

Wanneroo

23,434

1.10%

27,339

9.69%

16.66%

Warnbro

25,170

8.59%

30,780

23.50%

22.29%

West Swan

24,291

4.80%

29,279

17.48%

20.53%

Willagee

23,765

2.53%

24,467

-1.83%

2.95%

Total

1,401,781

 

1,504,700

 

 7.99%

Average District Enrolment (ADE)

23,178

 

24,923

 

 

7 Average district enrolment (ADE) is calculated by dividing total State enrolment by the number of districts in the State, with symmetric arithmetic rounding.

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Chart 1

Legislative Assembly
Metropolitan electoral districts — percentage change in enrolments between 2011 and 2015

Chart of variation from average district enrolment for metropolitan districts as at 9 March 2015

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Chart 2

 

Legislative Assembly
Metropolitan electoral districts at 9 March 2015 — variation from average district enrolment (24,923)Chart of percentage change in enrolment for metropolitan districts 2011-2015

 

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Table 3b

Legislative Assembly
Country electoral districts — number of enrolments and percentage variation from the ADE8 between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment
2010-2015

Albany

23,095

-0.36%

24,302

-2.49%

5.23%

Bunbury

23,689

2.20%

23,901

-4.10%

0.89%

Central Wheatbelt

22,640

-2.32%

22,431

-10.00%

-0.92%

Collie-Preston

22,000

-5.08%

24,509

-1.66%

11.40%

Dawesville

23,258

0.35%

26,507

6.36%

13.97%

Eyre9

21,690

-6.42%

21,657

-13.10%

-0.15%

Geraldton

22,006

-5.06%

23,205

-6.89%

5.45%

Kalgoorlie

21,012

-9.35%

20,830

-16.42%

-0.87%

Kimberley10

21,948

-5.31%

23,159

-7.08%

5.52%

Mandurah

22,352

-3.56%

25,298

1.51%

13.18%

Moore

22,874

-1.31%

23,894

-4.13%

4.46%

Murray-Wellington

22,540

-2.75%

25,295

1.49%

12.22%

North West Central11

19,722

-14.91%

19,432

-22.03%

-1.47%

Pilbara12

22,884

-1.27%

23,905

-4.08%

4.46%

Vasse

21,533

-7.10%

25,003

0.32%

16.11%

Wagin

22,037

-4.92%

21,809

-12.49%

-1.03%

Warren-Blackwood

24,998

7.85%

26,391

5.89%

5.57%

Total

380,278

 

401,528

 

 5.59%

Average District Enrolment (ADE)

20,355

 

24,923

   

Large Districts

District

Approx. Land Area in 201113 (km2)

Large District Allowance

Eyre 295,533 4,433
Kalgoorlie 507,600 7,614
Kimberley 419,400 6,291
North West Central 656,533 9,848
Pilbara 527,467 6,063
    34,249

8 Average district enrolment (ADE) is calculated by dividing total State enrolment by the number of districts in the State, with symmetric arithmetic rounding.

9 These large districts (100,000 km2 or greater) qualifies for a Large District Allowance (LDA). This allowance is calculated by multiplying the square kilometres of the district by 1.5%. The final number, calculated by adding the allowance to the number of electors in the district, must be within a range of 20% less or 10% greater than the ‘average district enrolment’ (ADE).

10 See LDA above.

11 See LDA above.

12 See LDA above.

13 Source: as calculated during 20 September 2011 Distribution.

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Chart 3

Legislative Assembly
Country electoral districts— percentage change in enrolments between 2011 and 2015

 

Chart of percentage change in enrolments in country districts, 2011-2015

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Chart 4

Legislative Assembly
Country electoral districts at 9 March 2015 — variation from average district enrolment (24,923)Chart of variation from average district enrolment for country districts as at 9 March 2015

 

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Table 4a

Legislative Assembly — comparison of permissible elector variation for metropolitan enrolment between 2011 and 2015

Enrolment 6.9.2010
(after 2011 boundary change)

Average district enrolment

Enrolment 9.3.2015
(before 2015 boundary change)

Average district enrolment

Change in metro enrolment 6.9.10 to 9.3.15

1,021,503

23,178

1,103,172

24,923

7.99%

 

 

 

 

 

(-10%)

20,860

(-10%)

22,431

(+10%)

25,495

(+10%)

27,415

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Table 4b

Legislative Assembly – comparison of permissible elector variation for country enrolment between 2011 and 2015, includes LDA14

Enrolment 6.9.2010
(after 2011 boundary change)
Includes LDA

Average district enrolment

Enrolment 9.3.2015
(before 2015 boundary change)
Includes LDA

Average district enrolment

Change in metro enrolment 6.9.10 to 9.3.15

380,238

23,178

401,528

24,923

5.60%

 

 

 

 

 

(-20%)

18,542

(-20%)

19,938

(-10%)

20,860

(-10%)

22,431

(+10%)

25,495

(+10%)

27,415

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Table 4c

Legislative Council — comparison of enrolments by electoral regions, includes LDA

Region

Enrolment 6.9.2010
(after 2011 boundary change)
Includes LDA

Enrolment 9.3.2015
(before 2015 boundary change)
Includes LDA

East Metropolitan

339,907

365,681

North Metropolitan

342,769

369,850

South Metropolitan

338,827

367,641

Agricultural

89,557

91,339

Mining and Pastoral15

73,007

74,734

South West

183,465

201,206

Total

1,367,532

1,470,451

14  These large districts (100,000 km2 or greater) qualifies for a Large District Allowance (LDA). This allowance is calculated by multiplying the square kilometres of the district by 1.5%. The final number, calculated by adding the allowance to the number of electors in the district, must be within a range of 20% less or 10% greater than the ‘average district enrolment’ (ADE).

15 See LDA above.

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Table 5

Agricultural electoral region — Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Central Wheatbelt

22,640

-2.32%

22,431

-10.00%

-0.92%

Geraldton

22,006

-5.06%

23,205

-6.89%

5.45%

Moore

22,874

-1.31%

23,894

-4.13%

4.46%

Wagin

22,037

-4.92%

21,809

-12.49%

-1.03%

Total

89,557

 

91,339

 

1.99%

Average district enrolment (ADE)

For AG district

22,389

-3.40%

22,835

-8.38%

 

 

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Table 6

Mining and Pastoral electoral region — Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Eyre

21,690 -6.42% 21,657 -13.10% 0.95%

Kalgoorlie

21,012 -9.35% 20,830 -16.42% -0.10%

Kimberley

21,948 -5.31% 23,159 -7.08% 5.54%

North West Central

19,722 -14.91% 19,432 -22.03% -9.25%

Pilbara

22,884 -1.27% 23,905 -4.08% 25.58%
Total 107,256   108,983

 

1.82%

Average district enrolment (ADE)

For M & P district

21,451 -7.45% 21,797 -12.54%  

Large Districts

District

Approx. Land Area in 201116 (km2)

Large District Allowance

Eyre

295,533

4,433

Kalgoorlie

507,600

7,614

Kimberley

419,400 6,291

North West Central

656,533 9,848

Pilbara

527,467 6,063

Total

 

34,249

16 Source: as calculated during 20 September 2011 Distribution

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Table 7

South West electoral region – Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Albany

23,095

-0.36%

24,302

-2.49%

5.23%

Bunbury

23,689

2.20%

23,901

-4.10%

0.89%

Collie-Preston

22,000

-5.08%

24,509

-1.66%

11.40%

Dawesville

23,258

0.35%

26,507

6.36%

13.97%

Mandurah

22,352

-3.56%

25,298

1.51%

13.18%

 

Murray-Wellington

22,540

-2.75%

25,295

1.49%

12.22%

Vasse

21,533

-7.10%

25,003

0.32%

16.11%

Warren-Blackwood

24,998

7.85%

26,391

5.89%

5.57%

Total

183,465

 

201,206

 

9.67%

Average district enrolment (ADE)
For SW district

22,993

-1.06%

25,151

0.91%

 

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Table 8

East Metropolitan electoral region – Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Armadale

24,381

5.19%

25,808

3.55%

5.85%

Bassendean

25,011

7.91%

25,337

1.66%

1.30%

Belmont

22,024

-4.98%

22,875

-8.22%

3.86%

Darling Range

23,447

1.16%

30,854

23.80%

31.59%

Forrestfield

24,820

7.08%

26,506

6.35%

6.79%

Gosnells

25,198

8.72%

25,334

1.65%

0.54%

Kalamunda

23,661

2.08%

24,104

-3.29%

1.87%

Maylands

24,957

7.68%

25,841

3.68%

3.54%

Midland

23,954

3.35%

24,995

0.29%

4.35%

Mirrabooka

25,088

8.24%

26,376

5.83%

5.13%

Morley

23,914

3.18%

24,539

-1.54%

2.61%

 

Mount Lawley

24,815

7.06%

25,943

4.09%

4.55%

Swan Hills

24,346

5.04%

27,890

11.91%

14.56%

West Swan

24,291

4.80%

29,279

17.48%

20.53%

Total

339,907

 

365,681

 

7.58%

Average district enrolment (ADE)
For EM district

24,279

4.75%

26,120

4.80%

 

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Table 9

North Metropolitan electoral region — Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Balcatta

24,896

7.41%

25,592

2.68%

2.80%

Butler

24,608

6.17%

33,293

33.58%

35.29%

Carine

24,456

5.51%

24,640

-1.14%

0.75%

Churchlands

25,130

8.42%

26,528

6.44%

5.56%

Cottesloe

24,320

4.93%

25,651

2.92%

5.47%

Girrawheen

25,064

8.14%

28,499

14.35%

13.70%

Hillarys

24,312

4.89%

24,619

-1.22%

1.26%

Joondalup

23,977

3.45%

24,143

-3.13%

0.69%

Kingsley

25,043

8.05%

24,865

-0.23%

-0.71%

Nedlands

24,393

5.24%

25,107

0.74%

2.93%

Ocean Reef

23,814

2.74%

26,276

5.43%

10.34%

Perth

25,213

8.78%

27,764

11.40%

10.12%

Scarborough

24,109

4.02%

25,534

2.45%

5.91%

Wanneroo

23,434

1.10%

27,339

9.69%

16.66%

Total

342,769

 

369,850

 

7.90%

Average district enrolment (ADE)

For NM district

24,484

5.63%

26,418

6.00%

 

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Table 10

South Metropolitan electoral region — Number of enrolments and percentage variation from ADE between 2011 and 2015

District

Enrolment 6.9.2010
(after 2011 boundary change)

Variation from ADE

Enrolment 9.3.2015
(before 2015 boundary change)

Variation from ADE

Change in enrolment.
2010-2015

Alfred Cove

23,618

1.90%

24,717

-0.83%

4.65%

Bateman

23,037

-0.61%

23,307

-6.48%

1.17%

Cannington

23,262

0.36%

24,199

-2.90%

4.03%

Cockburn

23,965

3.40%

27,750

11.34%

15.79%

Fremantle

24,992

7.83%

27,062

8.58%

8.28%

Jandakot

24,125

4.09%

25,827

3.63%

7.05%

Kwinana

25,012

7.91%

31,149

24.98%

24.54%

Riverton

24,493

5.67%

24,144

-3.13%

-1.42%

Rockingham

25,054

8.09%

25,322

1.60%

1.07%

South Perth

23,747

2.45%

24,663

-1.04%

3.86%

Southern River

24,328

4.96%

28,006

12.37%

15.12%

Victoria Park

24,259

4.66%

26,248

5.32%

8.20%

Warnbro

25,170

8.59%

30,780

23.50%

22.29%

Willagee

23,765

2.53%

24,467

-1.83%

2.95%

Total

338,827

 

367,641

 

8.50%

Average district enrolment (ADE)
For SM district

23,178

4.42%

24,923

5.37%

 

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Table 11

Range of district enrolments across metropolitan and country electorates — comparison between 2011 and 2015

 

Enrolment
6.9.2010
(after 2011 boundary change)

Enrolment
9.3.2015
(before 2015 boundary change)

 

Highest

Lowest

Highest

Lowest

Metropolitan

Perth

Belmont

Butler

Belmont

 

25,213

22,024

33,293

22,875

Country

Warren-Blackwood

North West Central17

Dawesville

North West Central18

17 This large districts (100,000 km2 or greater) qualifies for a Large District Allowance (LDA). This allowance is calculated by multiplying the square kilometres of the district by 1.5%. The final number, calculated by adding the allowance to the number of electors in the district, must be within a range of 20% less or 10% greater than the ‘average district enrolment’ (ADE).

18 See LDA above

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Total votes: 375