Garden Island Postcode

Western Australia

Inner Regional

6168

Postcode for Garden Island, WA
Phone area code: 08 · 33 km from Perth · Pop. 772

772

Population

Median Age

$N/A

Household Income/wk

$N/A

Median Rent/wk

N/A/10

SEIFA Advantage

12.4

Area (km²)

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.

How Garden Island Compares

Garden Island vs the WA average and the national average (2021 Census, population-weighted).

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

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

Age Profile

53.9%

41.2%

0–14 (0.8%) 15–24 (53.9%) 25–44 (41.2%) 45–64 (3.8%) 65+ (0.0%)

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

Peron 8.1 km Rockingham Beach 9.1 km Kwinana Beach 9.6 km Rockingham 9.8 km Naval Base 9.9 km East Rockingham 10.1 km Shoalwater 10.4 km Henderson 11.5 km Hillman 11.9 km Hope Valley 12.1 km Wattleup 12.2 km Medina 12.5 km

Same Postcode (6168)

Cooloongup East Rockingham Hillman Peron Rockingham Rockingham Beach

More Garden Island Data

Cockburn LGA 24 suburbs, 6 postcodes, 116,752 people Climate & Weather Closest station: Rockingham (10.3 km) NDIS Providers NDIS data for Cockburn LGA

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.