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Victoria · Postcode 3931
Mornington postcode and suburb data
Victoria · Phone area code 03 · 47 km from Melbourne
Suburb snapshot
Mornington 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 Mornington ranks: rents are among the top 10% in VIC.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mornington vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Mornington | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $1,451 -VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $400 ≈VIC | $375 | $390 | $404 |
| Mortgage/month | $2,000 ≈VIC | $1,933 | $1,958 | $2,100 |
| Median age | 50 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 7/10 ≈VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 3.8% -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 3931 covers Mornington, an inland suburb of Melbourne about 47 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, Mornington has a population of 25,759 with a median age of 50. The median weekly household income is $1,451, below the VIC average. The unemployment rate is 3.8%, lower than the VIC average. The Indigenous population is 210 (0.8% of residents).
Housing in Mornington includes a median weekly rent of $400, median monthly mortgage repayment of $2,000, with 10,476 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 77.5% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mornington scores in decile 7 out of 10, which is above the national average.
There are 7 schools in the Mornington area, including Padua College, Mornington Secondary College, Benton Junior College and others.
Mornington is part of the Mornington Peninsula statistical area in Victoria.
Mornington details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3931 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 25,759 |
| Median Age | 50 years |
| Median Household Income (Census 2021) | $1,451/week |
| Median Personal Income (Census 2021) | $740/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $2,000 |
| Average Household Size | 2.3 persons |
| Area | 21.1 km² |
| Population Density | 1221/km² |
| Total Dwellings | 10,476 |
| Australian Citizens | 89.4% |
| Indigenous Population | 210 (0.8%) |
| Unemployment Rate | 3.8% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -38.2277083 |
| Longitude | 145.0603633 |
| Distance from Melbourne | 47 km |
| Region (SA4) | Mornington Peninsula |
| Area (SA3) | Mornington Peninsula |
| Local Government | Mornington Peninsula |
| Federal Electorate | Flinders |
| State Electorate | Mornington (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 3,861 (15.0%) |
| 15–24 years | 2,478 (9.6%) |
| 25–44 years | 4,803 (18.6%) |
| 45–64 years | 6,557 (25.5%) |
| 65+ years | 8,046 (31.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 3,326 (12.9%) |
| Asthma | 2,374 (9.2%) |
| Heart Disease | 1,601 (6.2%) |
| Cancer | 1,323 (5.1%) |
| Diabetes | 1,281 (5.0%) |
| Lung Condition | 599 (2.3%) |
| Dementia | 366 (1.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 550 (5.3%) |
| 1 vehicle | 4,093 (39.6%) |
| 2 vehicles | 4,081 (39.4%) |
| 3+ vehicles | 1,624 (15.7%) |
Schools in Mornington
ACARA 2025 school profiles for schools located in Mornington. ICSEA is shown where ACARA publishes it.
Suburbs Near Mornington
More Mornington 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.