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Cranbrook
Western Australia · Western Australia - Wheat Belt · 1,098 people · 4 suburbs · 3 postcodes
Cranbrook at a glance
Map shows the Cranbrook 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.
Cranbrook is a Local Government Area in Western Australia, in the Perth region. It covers 4 suburbs across 3 postcodes and an area of 3,014 km². Cranbrook has a population of 1,098 , ranking #94 most populous in WA. The most populous suburb is Cranbrook (505 residents), and the highest median household income is in Frankland River at $1,573/week. The LGA-wide median household income is $1,301/week and median age is 45.7. About 16.3% of residents were born overseas and 3.7% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 210 (19.3%) |
| 15–24 years | 87 (8.0%) |
| 25–44 years | 226 (20.8%) |
| 45–64 years | 326 (30.0%) |
| 65+ years | 238 (21.9%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Cranbrook
2 schools across Cranbrook: 100.0% Government, 0% Catholic, 0% Independent. The WA average is 71.4% / 14.1% / 14.5%. Schools here have a median ICSEA of 964 (range 964 to 965). WA median is 1006; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
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 2 schools in Cranbrook, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Frankland River Primary School | Government | Primary | Frankland River | 56 | 964 |
| Cranbrook Primary School | Government | Primary | Cranbrook | 51 | 965 |
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 ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.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 Cranbrook. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Cranbrook
Cranbrook contains 4 suburbs and 3 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Cranbrook | 6321 | 505 | $1,166/wk | 44 |
| Frankland River | 6396 | 353 | $1,573/wk | 46 |
| Tenterden | 6322 | 240 | $1,187/wk | 49 |
| Frankland | 6396 |
Postcodes covered
Compare Cranbrook with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Cranbrook and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Cranbrook (WA) | 1,098 | 45.7 | $1,301/wk | 952 | 27.8% | 16.3% |
| Kojonup | 1,909 | 45.6 | $1,501/wk | 979 | 28.1% | 13.3% |
| Plantagenet | 5,390 | 48.9 | $1,205/wk | 929 | 20.4% | 19.2% |
| Broomehill-Tambellup | 1,042 | 42.3 | $1,509/wk | 960 | 20.7% | 9.6% |
| Boyup Brook | 1,841 | 47.6 | $1,282/wk | 969 | 18.5% | 13.7% |
| Manjimup | 9,093 | 45.9 | $1,268/wk | 928 | 26.3% | 15.9% |
Services and amenities
Frequently asked questions about Cranbrook
What is the population of Cranbrook?
The 2021 Census recorded 1,098 people living in Cranbrook, across 4 suburbs.
What suburbs are in Cranbrook?
Cranbrook contains 4 suburbs. The most populous are Cranbrook, Frankland River, Tenterden, Frankland.See the full list in the Suburbs section above.
What postcodes are in Cranbrook?
Cranbrook covers 3 postcodes: 6321, 6322, 6396.
What is the median household income in Cranbrook?
The population-weighted median household income across Cranbrook is $1,301 per week (2021 Census), ranking #94 of 123 WA LGAs.
How many schools are in Cranbrook?
Cranbrook has 2 schools, including 2 government, 0 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Cranbrook?
Cranbrook has a population-weighted SEIFA IRSAD score of 952, where the national average is 1000. Higher scores indicate more relative advantage.
Page last reviewed . 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.