Collie

Western Australia · Western Australia - Wheat Belt · 8,813 people · 14 suburbs · 1 postcodes

Collie at a glance

8,813

Population

#46 of 123 in WA

1,710

km² area

5/km² density

43.6

Median age

+4.5 vs WA

$1,251

Median HH income/wk

#103 of 123 in WA

872

SEIFA IRSAD

#113 of 123 in WA

Schools

5 gov, 1 Cath, 0 indep

11.4%

Born overseas

20.3%

Renting

Map shows the Collie LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.

Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).

Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.

Collie is a Local Government Area in Western Australia, in the Perth region. It covers 14 suburbs across 1 postcodes and an area of 1,710 km². Collie has a population of 8,813 , ranking #46 most populous in WA. The most populous suburb is Collie (7,599 residents), and the highest median household income is in Harris River at $2,374/week. The LGA-wide median household income is $1,251/week and median age is 43.6. About 11.4% of residents were born overseas and 2.6% speak a language other than English at home.

Who lives here

Age structure

17.9%

10.9%

21.6%

27.4%

22.3%

0–14 (17.9%) 15–24 (10.9%) 25–44 (21.6%) 45–64 (27.4%) 65+ (22.3%)

Show counts

0–14 years	1,573 (17.9%)
15–24 years	956 (10.9%)
25–44 years	1,900 (21.6%)
45–64 years	2,414 (27.4%)
65+ years	1,963 (22.3%)

11.4%

Born overseas

2.6%

Speak a language other than English at home

4.2%

First Nations

2.3

Avg household size

How they live

Housing tenure

42.0%

37.7%

20.3%

Owned outright (42.0%) Mortgaged (37.7%) Renting (20.3%)

Dwelling type mix

95.9%

Separate house (95.9%) Semi/townhouse (2.1%) Flat/apartment (2.0%)

$246

Median weekly rent

$1,325

Median monthly mortgage

36.6%

Households with 0-1 cars

63.4%

Households with 2+ cars

Work and learning

8.0%

Unemployment rate

1,953

In full-time work

1,159

In part-time work

Schools in Collie

6 schools across Collie: 83.3% Government, 16.7% Catholic, 0% Independent. The WA average is 71.4% / 14.1% / 14.5%. Schools here have a median ICSEA of 924 (range 838 to 996). WA median is 1006; national mean is 1000.

Sector mix

83.3%

16.7%

WA average for comparison

71.4%

14.1%

14.5%

Government Catholic Independent

Type breakdown

83.3%

16.7%

Primary (83.3%) Secondary (16.7%) Combined (0%) Special (0%)

ICSEA range

700 National mean 1000 1300

LGA median 924 WA median 1006LGA range 838 to 996

ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.

All 6 schools in Collie, sorted by enrolment:

School	Sector	Type	Suburb	Students	ICSEA
Collie Senior High School	Government	Secondary	Collie	537	920
Amaroo Primary School	Government	Primary	Collie	331	927
St Brigid's School	Catholic	Primary	Collie	178	996
Fairview Primary School	Government	Primary	Collie	172	955
Allanson Primary School	Government	Primary	Allanson	89	911
Wilson Park Primary School	Government	Primary	Collie	79	838

Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.

SEIFA socio-economic indexes

SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Collie. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

872

Ranked #113 of 123 WA LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

908

IER

Economic resources: income, wealth, housing

958

IEO

Education and occupation: qualifications, skill levels

825

Suburbs in Collie

Collie contains 14 suburbs and 1 postcodes. Sorted by population.

Suburb	Postcode	Population	Median income	Median age
Collie	6225	7,599	$1,177/wk	43
Allanson	6225	591	$1,860/wk	45
Preston Settlement	6225	125	$1,406/wk	51
Cardiff	6225	118	$1,187/wk	50
Harris River	6225	98	$2,374/wk	47
Collie Burn	6225	55	$1,792/wk	48
Mungalup	6225	53	$1,625/wk	53
Palmer	6225	50	$1,312/wk	54
Worsley	6225	39	$1,125/wk	60
Buckingham	6225	27	$2,250/wk	49
Muja	6225	18	$1,374/wk	46
Lyalls Mill	6225	17	$474/wk	48
Yourdamung Lake	6225	14	$2,250/wk	37
Shotts	6225	9	$1,625/wk	48

Postcodes covered

6225

Compare Collie with neighbouring LGAs

Side-by-side demographic and socio-economic snapshot of Collie and its closest neighbouring LGAs.

LGA	Population	Median age	Median HH income	SEIFA IRSAD	% renting	% overseas-born
Collie (WA)	8,813	43.6	$1,251/wk	872	20.3%	11.4%
Donnybrook-Balingup	6,155	48.7	$1,397/wk	962	14.8%	18.1%
Dardanup	14,687	40.6	$1,773/wk	961	19.9%	16.9%
Harvey	28,569	39.9	$1,808/wk	960	20.9%	19.3%
Boddington	1,718	42.1	$1,730/wk	944	29.0%	14.7%

Services and amenities

NDIS Providers NDIS provider directory for Collie Climate & weather Climate data for Collie

Frequently asked questions about Collie

What is the population of Collie?

The 2021 Census recorded 8,813 people living in Collie, across 14 suburbs.

What suburbs are in Collie?

Collie contains 14 suburbs. The most populous are Collie, Allanson, Preston Settlement, Cardiff, Harris River.See the full list in the Suburbs section above.

What postcodes are in Collie?

Collie covers 1 postcodes: 6225.

What is the median household income in Collie?

The population-weighted median household income across Collie is $1,251 per week (2021 Census), ranking #103 of 123 WA LGAs.

How many schools are in Collie?

Collie has 6 schools, including 5 government, 1 Catholic, and 0 independent schools (ACARA 2025).

What is the SEIFA score for Collie?

Collie has a population-weighted SEIFA IRSAD score of 872, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.