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Maryknoll Postcode
Victoria
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Maryknoll Compares
Maryknoll vs the VIC average and the national average (2021 Census, population-weighted).
| Metric | Maryknoll | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,352 +VIC | $1,817 | $1,836 |
| Rent/wk | $96 -VIC | $375 | $390 |
| Mortgage/month | $2,167 +VIC | $1,933 | $1,958 |
| Median age | 39 | 46.0 | 45.0 |
| SEIFA decile | 9/10 +VIC | 6.0/10 | 6.0/10 |
| Unemployment | 1.4% -VIC | 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.
Maryknoll is a locality 61 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3812. It falls within the Melbourne - South East region. The local government area is Cardinia.
According to the 2021 Census, Maryknoll has a population of 646 with a median age of 39. The median weekly household income is $2,352, above the VIC average. The unemployment rate is 1.4%, lower than the VIC average. The Indigenous population is 5 (0.8% of residents).
Housing in Maryknoll includes a median weekly rent of $96, median monthly mortgage repayment of $2,167, with 196 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 95.7% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Maryknoll scores in decile 9 out of 10, which is well above the national average.
Maryknoll is part of the Cardinia statistical area in Victoria.
Maryknoll Details
| Postcode | 3812 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 646 |
| Median Age | 39 years |
| Median Household Income (Census 2021) | $2,352/week |
| Median Personal Income (Census 2021) | $870/week |
| Median Weekly Rent (Census 2021) | $96 |
| Median Monthly Mortgage (Census 2021) | $2,167 |
| Average Household Size | 3.1 persons |
| Area | 3.4 km² |
| Population Density | 192/km² |
| Total Dwellings | 196 |
| Australian Citizens | 92.6% |
| Indigenous Population | 5 (0.8%) |
| Unemployment Rate | 1.4% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -38.032 |
| Longitude | 145.602 |
| Distance from Melbourne | 61 km |
| Region (SA4) | Melbourne - South East |
| Area (SA3) | Cardinia |
| Local Government | Cardinia |
| Federal Electorate | La Trobe |
Age Profile
Show counts
| 0–14 years | 131 (20.3%) |
| 15–24 years | 85 (13.2%) |
| 25–44 years | 141 (21.8%) |
| 45–64 years | 193 (29.9%) |
| 65+ years | 92 (14.2%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 57 (8.8%) |
| Arthritis | 40 (6.2%) |
| Diabetes | 32 (5.0%) |
| Heart Disease | 18 (2.8%) |
| Cancer | 16 (2.5%) |
| Lung Condition | 4 (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 | 4 (2.0%) |
| 1 vehicle | 29 (14.8%) |
| 2 vehicles | 69 (35.2%) |
| 3+ vehicles | 94 (48.0%) |
Suburbs Near Maryknoll
Same Postcode (3812)
More Maryknoll 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.