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Western Australia · Postcode 6161
Rottnest Island postcode and suburb data
Western Australia · Phone area code 08 · 33 km from Perth
Suburb snapshot
Rottnest 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.
Detailed comparison table
Rottnest Island vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Rottnest Island | WA avg | AU avg | Greater Perth |
|---|---|---|---|---|
| Household income/wk | $2,042 ≈WA | $1,891 | $1,836 | $1,962 |
| Rent/wk | $113 -WA | $355 | $390 | $378 |
| Median age | 33 | 43.0 | 45.0 | 40.0 |
| SEIFA decile | 8/10 +WA | 6.0/10 | 6.0/10 | 8.0/10 |
| Unemployment | 3.1% -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.
Rottnest Island is a remote community in Western Australia, with postcode 6161. It lies roughly 33 km from Perth, classified by the ABS as remote Australia. The area is administered by Cockburn.
According to the 2021 Census, Rottnest Island has a population of 166 with a median age of 33. The median weekly household income is $2,042, close to the WA average. The unemployment rate is 3.1%, lower than the WA average.
Housing in Rottnest Island includes a median weekly rent of $113, 61 total dwellings. Housing costs in the area sit below the WA average. Rental properties account for 89.2% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Rottnest Island scores in decile 8 out of 10, which is above the national average.
Rottnest Island is part of the Fremantle statistical area in Western Australia.
Rottnest Island details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6161 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 166 |
| Median Age | 33 years |
| Median Household Income (Census 2021) | $2,042/week |
| Median Personal Income (Census 2021) | $1,112/week |
| Median Weekly Rent (Census 2021) | $113 |
| Average Household Size | 1.9 persons |
| Area | 19.2 km² |
| Population Density | 9/km² |
| Total Dwellings | 61 |
| Australian Citizens | 62.0% |
| Unemployment Rate | 3.1% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -32.0035186 |
| Longitude | 115.5148137 |
| Distance from Perth | 33 km |
| Region (SA4) | Perth - South West |
| Area (SA3) | Fremantle |
| Local Government | Cockburn |
| Federal Electorate | Fremantle |
| State Electorate | Fremantle (South Metropolitan) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 10 (6.0%) |
| 15–24 years | 25 (15.1%) |
| 25–44 years | 71 (42.8%) |
| 45–64 years | 42 (25.3%) |
| 65+ years | 3 (1.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 10 (6.0%) |
| Arthritis | 5 (3.0%) |
| Cancer | 5 (3.0%) |
| Diabetes | 3 (1.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 46 (85.2%) |
| 1 vehicle | 3 (5.6%) |
| 2 vehicles | 5 (9.3%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Rottnest Island
More Rottnest 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.