- Home
- Victoria
- Melbourne - South East
- Cardinia
- Coronet Bay
Victoria · Postcode 3984
Coronet Bay postcode and suburb data
Victoria · Phone area code 03 · 81 km from Melbourne
Suburb snapshot
Coronet Bay 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 Coronet Bay ranks: household income sits in the bottom 25% of VIC suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Coronet Bay vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Coronet Bay | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $952 -VIC | $1,817 | $1,836 |
| Rent/wk | $281 -VIC | $375 | $390 |
| Mortgage/month | $1,300 -VIC | $1,933 | $1,958 |
| Median age | 51 | 46.0 | 45.0 |
| SEIFA decile | 2/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 5.7% +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.
Coronet Bay is a locality 81 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3984. It falls within the Melbourne - South East region. The local government area is Bass Coast.
According to the 2021 Census, Coronet Bay has a population of 1,108 with a median age of 51. The median weekly household income is $952, below the VIC average. The unemployment rate is 5.7%, higher than the VIC average. The Indigenous population is 4 (0.4% of residents).
Housing in Coronet Bay includes a median weekly rent of $281, median monthly mortgage repayment of $1,300, with 484 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 78.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Coronet Bay scores in decile 2 out of 10, which is well below the national average.
Coronet Bay is part of the Cardinia statistical area in Victoria.
Coronet Bay details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3984 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 1,108 |
| Median Age | 51 years |
| Median Household Income (Census 2021) | $952/week |
| Median Personal Income (Census 2021) | $542/week |
| Median Weekly Rent (Census 2021) | $281 |
| Median Monthly Mortgage (Census 2021) | $1,300 |
| Average Household Size | 2 persons |
| Area | 4.1 km² |
| Population Density | 270/km² |
| Total Dwellings | 484 |
| Australian Citizens | 87.8% |
| Indigenous Population | 4 (0.4%) |
| Unemployment Rate | 5.7% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -38.433333 |
| Longitude | 145.45 |
| Distance from Melbourne | 81 km |
| Region (SA4) | Melbourne - South East |
| Area (SA3) | Cardinia |
| Local Government | Bass Coast |
| Federal Electorate | Monash |
| State Electorate | Gippsland South (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 157 (14.2%) |
| 15–24 years | 84 (7.6%) |
| 25–44 years | 211 (19.0%) |
| 45–64 years | 339 (30.6%) |
| 65+ years | 322 (29.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 168 (15.2%) |
| Asthma | 116 (10.5%) |
| Diabetes | 86 (7.8%) |
| Heart Disease | 64 (5.8%) |
| Cancer | 50 (4.5%) |
| Lung Condition | 47 (4.2%) |
| Dementia | 10 (0.9%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 18 (3.8%) |
| 1 vehicle | 189 (40.0%) |
| 2 vehicles | 179 (37.9%) |
| 3+ vehicles | 86 (18.2%) |
Suburbs Near Coronet Bay
Same Postcode (3984)
More Coronet Bay 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.