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Western Australia · Postcode 6168
Garden Island postcode and suburb data
Western Australia · Phone area code 08 · 33 km from Perth
Suburb snapshot
Garden Island at a glance vs WA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against WA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Garden Island ranks: household income sits in the bottom 10% of WA suburbs; rents sit in the cheapest 10% in WA.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Garden Island vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Garden Island | WA avg | AU avg | Greater Perth |
|---|---|---|---|---|
| Median age | 24 | 43.0 | 45.0 | 40.0 |
| Unemployment | 0.0% -WA | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the WA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Garden Island is a locality 33 km from Perth in Western Australia, classified as inner regional by the ABS. The postcode is 6168. It falls within the Perth - South West region. The local government area is Cockburn.
According to the 2021 Census, Garden Island has a population of 772 with a median age of 24. The Indigenous population is 22 (2.8% of residents).
Garden Island is part of the Rockingham statistical area in Western Australia.
Garden Island details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6168 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 772 |
| Median Age | 24 years |
| Median Personal Income (Census 2021) | $1,443/week |
| Area | 12.4 km² |
| Population Density | 62/km² |
| Australian Citizens | 46.9% |
| Indigenous Population | 22 (2.8%) |
| Unemployment Rate | 0.0% |
| Latitude | -32.2043254 |
| Longitude | 115.6776274 |
| Distance from Perth | 33 km |
| Region (SA4) | Perth - South West |
| Area (SA3) | Rockingham |
| Local Government | Cockburn |
| Federal Electorate | Brand |
| State Electorate | Rockingham (South Metropolitan) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 6 (0.8%) |
| 15–24 years | 416 (53.9%) |
| 25–44 years | 318 (41.2%) |
| 45–64 years | 29 (3.8%) |
| 65+ years | 0 (0.0%) |
Health Conditions (2021 Census)
| Arthritis | 7 (0.9%) |
| Asthma | 5 (0.6%) |
| Cancer | 3 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Suburbs Near Garden Island
Same Postcode (6168)
More Garden Island Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.