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Victoria · Postcode 3782
Avonsleigh postcode and suburb data
Victoria · Phone area code 03 · 47 km from Melbourne
Suburb snapshot
Avonsleigh at a glance vs VIC
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against VIC
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Avonsleigh ranks: household income is in the top 25% of VIC suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Avonsleigh vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Avonsleigh | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $2,055 +VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $356 ≈VIC | $375 | $390 | $404 |
| Mortgage/month | $1,859 ≈VIC | $1,933 | $1,958 | $2,100 |
| Median age | 40 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 8/10 +VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 3.1% -VIC | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the VIC average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Postcode 3782 covers Avonsleigh, an inland suburb of Melbourne about 47 km from the city centre. It forms part of the Melbourne - South East region of Victoria. Local government services are provided by Cardinia.
According to the 2021 Census, Avonsleigh has a population of 844 with a median age of 40. The median weekly household income is $2,055, above the VIC average. The unemployment rate is 3.1%, lower than the VIC average.
Housing in Avonsleigh includes a median weekly rent of $356, median monthly mortgage repayment of $1,859, with 291 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 91.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Avonsleigh scores in decile 8 out of 10, which is above the national average.
Avonsleigh is part of the Cardinia statistical area in Victoria.
Avonsleigh details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3782 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 844 |
| Median Age | 40 years |
| Median Household Income (Census 2021) | $2,055/week |
| Median Personal Income (Census 2021) | $866/week |
| Median Weekly Rent (Census 2021) | $356 |
| Median Monthly Mortgage (Census 2021) | $1,859 |
| Average Household Size | 2.8 persons |
| Area | 7.6 km² |
| Population Density | 112/km² |
| Total Dwellings | 291 |
| Australian Citizens | 91.0% |
| Unemployment Rate | 3.1% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -37.925 |
| Longitude | 145.481944 |
| Distance from Melbourne | 47 km |
| Region (SA4) | Melbourne - South East |
| Area (SA3) | Cardinia |
| Local Government | Cardinia |
| Federal Electorate | La Trobe |
| State Electorate | Monbulk (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 158 (18.7%) |
| 15–24 years | 99 (11.7%) |
| 25–44 years | 210 (24.9%) |
| 45–64 years | 247 (29.3%) |
| 65+ years | 119 (14.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 83 (9.8%) |
| Asthma | 74 (8.8%) |
| Heart Disease | 39 (4.6%) |
| Cancer | 19 (2.3%) |
| Diabetes | 17 (2.0%) |
| Lung Condition | 13 (1.5%) |
| Dementia | 5 (0.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 7 (2.4%) |
| 1 vehicle | 57 (19.8%) |
| 2 vehicles | 123 (42.7%) |
| 3+ vehicles | 101 (35.1%) |
Suburbs Near Avonsleigh
Same Postcode (3782)
More Avonsleigh 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.