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Mountain Bay 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 Mountain Bay Compares
Mountain Bay vs the VIC average and the national average (2021 Census, population-weighted).
| Metric | Mountain Bay | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $966 -VIC | $1,817 | $1,836 |
| Mortgage/month | $1,517 -VIC | $1,933 | $1,958 |
| Median age | 61 | 46.0 | 45.0 |
| SEIFA decile | 4/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
Mountain Bay is a locality 121 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3723. It falls within the Latrobe - Gippsland region. The local government area is Mansfield.
According to the 2021 Census, Mountain Bay has a population of 54 with a median age of 61. The median weekly household income is $966, below the VIC average.
Housing in Mountain Bay includes a median monthly mortgage repayment of $1,517, 29 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mountain Bay scores in decile 4 out of 10, which is below the national average.
Mountain Bay is part of the Wellington statistical area in Victoria.
Mountain Bay Details
| Postcode | 3723 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 54 |
| Median Age | 61 years |
| Median Household Income (Census 2021) | $966/week |
| Median Personal Income (Census 2021) | $525/week |
| Median Monthly Mortgage (Census 2021) | $1,517 |
| Average Household Size | 1.9 persons |
| Area | 9.6 km² |
| Population Density | 6/km² |
| Total Dwellings | 29 |
| Australian Citizens | 92.6% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -37.1973138 |
| Longitude | 146.0987923 |
| Distance from Melbourne | 121 km |
| Region (SA4) | Latrobe - Gippsland |
| Area (SA3) | Wellington |
| Local Government | Mansfield |
| Federal Electorate | Indi |
Age Profile
Show counts
| 0–14 years | 4 (7.4%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 22 (40.7%) |
| 65+ years | 27 (50.0%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 5 (9.3%) |
| Heart Disease | 4 (7.4%) |
| Cancer | 4 (7.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 4 (13.3%) |
| 2 vehicles | 9 (30.0%) |
| 3+ vehicles | 17 (56.7%) |
Suburbs Near Mountain Bay
Same Postcode (3723)
More Mountain 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.