Victoria · Postcode 3918
Bittern postcode and suburb data
Victoria · Phone area code 03 · 60 km from Melbourne
Suburb snapshot
Bittern 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
Bittern vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Bittern | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,615 -VIC | $1,817 | $1,836 |
| Rent/wk | $366 ≈VIC | $375 | $390 |
| Mortgage/month | $1,842 ≈VIC | $1,933 | $1,958 |
| Median age | 46 | 46.0 | 45.0 |
| SEIFA decile | 6/10 ≈VIC | 6.0/10 | 6.0/10 |
| Unemployment | 3.3% -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.
Postcode 3918 covers Bittern, an inland suburb of Melbourne about 60 km from the city centre. It forms part of the Mornington Peninsula region of Victoria. Local government services are provided by Mornington Peninsula.
According to the 2021 Census, Bittern has a population of 4,276 with a median age of 46. The median weekly household income is $1,615, below the VIC average. The unemployment rate is 3.3%, lower than the VIC average. The Indigenous population is 52 (1.2% of residents).
Housing in Bittern includes a median weekly rent of $366, median monthly mortgage repayment of $1,842, with 1,617 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 87.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Bittern scores in decile 6 out of 10, which is around the national average.
Bittern is served by Bittern Primary School.
Bittern is part of the Mornington Peninsula statistical area in Victoria.
Bittern details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3918 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 4,276 |
| Median Age | 46 years |
| Median Household Income (Census 2021) | $1,615/week |
| Median Personal Income (Census 2021) | $725/week |
| Median Weekly Rent (Census 2021) | $366 |
| Median Monthly Mortgage (Census 2021) | $1,842 |
| Average Household Size | 2.5 persons |
| Area | 17.2 km² |
| Population Density | 248/km² |
| Total Dwellings | 1,617 |
| Australian Citizens | 92.3% |
| Indigenous Population | 52 (1.2%) |
| Unemployment Rate | 3.3% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -38.3329437 |
| Longitude | 145.165179 |
| Distance from Melbourne | 60 km |
| Region (SA4) | Mornington Peninsula |
| Area (SA3) | Mornington Peninsula |
| Local Government | Mornington Peninsula |
| Federal Electorate | Flinders |
| State Electorate | Hastings (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 732 (17.1%) |
| 15–24 years | 447 (10.5%) |
| 25–44 years | 881 (20.6%) |
| 45–64 years | 1,228 (28.7%) |
| 65+ years | 997 (23.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 528 (12.3%) |
| Asthma | 399 (9.3%) |
| Diabetes | 216 (5.1%) |
| Heart Disease | 212 (5.0%) |
| Cancer | 210 (4.9%) |
| Lung Condition | 89 (2.1%) |
| Dementia | 20 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 27 (1.7%) |
| 1 vehicle | 483 (30.1%) |
| 2 vehicles | 609 (38.0%) |
| 3+ vehicles | 485 (30.2%) |
Schools in Bittern
ACARA 2025 school profiles for schools located in Bittern. ICSEA is shown where ACARA publishes it.
Suburbs Near Bittern
More Bittern 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.