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Western Australia · Postcode 6112
Piara Waters postcode and suburb data
Western Australia · Phone area code 08 · 20 km from Perth
Suburb snapshot
Piara Waters 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 Piara Waters ranks: household income is in the top 10% of WA suburbs; rents are among the top 10% in WA; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Piara Waters vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Piara Waters | WA avg | AU avg | Greater Perth |
|---|---|---|---|---|
| Household income/wk | $2,477 +WA | $1,891 | $1,836 | $1,962 |
| Rent/wk | $420 +WA | $355 | $390 | $378 |
| Mortgage/month | $2,054 ≈WA | $1,890 | $1,958 | $2,002 |
| Median age | 31 | 43.0 | 45.0 | 40.0 |
| SEIFA decile | 10/10 +WA | 6.0/10 | 6.0/10 | 8.0/10 |
| Unemployment | 4.0% -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.
Postcode 6112 covers Piara Waters, an inland suburb of Perth about 20 km from the city centre. It forms part of the Perth - South East region of Western Australia. Local government services are provided by Armadale.
According to the 2021 Census, Piara Waters has a population of 15,029 with a median age of 31. The median weekly household income is $2,477, above the WA average. The unemployment rate is 4.0%, lower than the WA average. The Indigenous population is 144 (1.0% of residents).
Housing in Piara Waters includes a median weekly rent of $420, median monthly mortgage repayment of $2,054, with 4,598 total dwellings. These housing costs sit above the WA average. Owner-occupied dwellings (owned or mortgaged) make up 83.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Piara Waters scores in decile 10 out of 10, which is well above the national average.
There are 5 schools in the Piara Waters area, including St John Bosco College, Piara Waters Primary School, Aspiri Primary School and others.
Piara Waters is part of the Armadale statistical area in Western Australia.
Piara Waters details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6112 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 15,029 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $2,477/week |
| Median Personal Income (Census 2021) | $1,129/week |
| Median Weekly Rent (Census 2021) | $420 |
| Median Monthly Mortgage (Census 2021) | $2,054 |
| Average Household Size | 3.2 persons |
| Area | 6.7 km² |
| Population Density | 2247/km² |
| Total Dwellings | 4,598 |
| Australian Citizens | 78.9% |
| Indigenous Population | 144 (1.0%) |
| Unemployment Rate | 4.0% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -32.1247 |
| Longitude | 115.918 |
| Distance from Perth | 20 km |
| Region (SA4) | Perth - South East |
| Area (SA3) | Armadale |
| Local Government | Armadale |
| Federal Electorate | Burt |
| State Electorate | Jandakot (South Metropolitan) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 4,581 (30.5%) |
| 15–24 years | 1,350 (9.0%) |
| 25–44 years | 6,457 (43.0%) |
| 45–64 years | 2,120 (14.1%) |
| 65+ years | 534 (3.6%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 766 (5.1%) |
| Diabetes | 403 (2.7%) |
| Arthritis | 356 (2.4%) |
| Heart Disease | 174 (1.2%) |
| Cancer | 117 (0.8%) |
| Lung Condition | 49 (0.3%) |
| Dementia | 4 (0.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 31 (0.7%) |
| 1 vehicle | 1,053 (23.0%) |
| 2 vehicles | 2,627 (57.5%) |
| 3+ vehicles | 860 (18.8%) |
Schools in Piara Waters
ACARA 2025 school profiles for schools located in Piara Waters. ICSEA is shown where ACARA publishes it.
Suburbs Near Piara Waters
Same Postcode (6112)
More Piara Waters 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.