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Victoria · Postcode 3155
Boronia postcode and suburb data
Victoria · Phone area code 03 · 29 km from Melbourne
Suburb snapshot
Boronia 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.
Detailed comparison table
Boronia vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Boronia | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $1,619 -VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $376 ≈VIC | $375 | $390 | $404 |
| Mortgage/month | $1,870 ≈VIC | $1,933 | $1,958 | $2,100 |
| Median age | 39 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 6/10 ≈VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 4.3% -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 3155 covers Boronia, an inland suburb of Melbourne about 29 km from the city centre. It forms part of the Melbourne - Outer East region of Victoria. Local government services are provided by Knox.
According to the 2021 Census, Boronia has a population of 23,607 with a median age of 39. The median weekly household income is $1,619, below the VIC average. The unemployment rate is 4.3%, lower than the VIC average. The Indigenous population is 215 (0.9% of residents).
Housing in Boronia includes a median weekly rent of $376, median monthly mortgage repayment of $1,870, with 9,332 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 71.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Boronia scores in decile 6 out of 10, which is around the national average.
There are 6 schools in the Boronia area, including Boronia Heights Primary School, Boronia K-12 College, St Joseph's Primary School and others.
Boronia is part of the Knox statistical area in Victoria.
Boronia details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3155 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 23,607 |
| Median Age | 39 years |
| Median Household Income (Census 2021) | $1,619/week |
| Median Personal Income (Census 2021) | $800/week |
| Median Weekly Rent (Census 2021) | $376 |
| Median Monthly Mortgage (Census 2021) | $1,870 |
| Average Household Size | 2.4 persons |
| Area | 11.2 km² |
| Population Density | 2112/km² |
| Total Dwellings | 9,332 |
| Australian Citizens | 85.3% |
| Indigenous Population | 215 (0.9%) |
| Unemployment Rate | 4.3% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -37.8610682 |
| Longitude | 145.2867055 |
| Distance from Melbourne | 29 km |
| Region (SA4) | Melbourne - Outer East |
| Area (SA3) | Knox |
| Local Government | Knox |
| Federal Electorate | Aston |
| State Electorate | Monbulk (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 4,036 (17.1%) |
| 15–24 years | 2,389 (10.1%) |
| 25–44 years | 7,335 (31.1%) |
| 45–64 years | 5,614 (23.8%) |
| 65+ years | 4,245 (18.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 2,426 (10.3%) |
| Arthritis | 2,111 (8.9%) |
| Diabetes | 1,298 (5.5%) |
| Heart Disease | 1,017 (4.3%) |
| Cancer | 671 (2.8%) |
| Lung Condition | 421 (1.8%) |
| Dementia | 197 (0.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 457 (5.0%) |
| 1 vehicle | 3,595 (39.0%) |
| 2 vehicles | 3,666 (39.8%) |
| 3+ vehicles | 1,501 (16.3%) |
Schools in Boronia
ACARA 2025 school profiles for schools located in Boronia. ICSEA is shown where ACARA publishes it.
Suburbs Near Boronia
More Boronia 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.