Victoria · Postcode 3931

Mornington postcode and suburb data

Victoria · Phone area code 03 · 47 km from Melbourne

Metro
25,759
Population (2021)
$1,451
Household income/wk
$400
Median rent/wk
50
Median age
7/10
SEIFA advantage

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

3931 Postcode See every suburb sharing this postcode
25,759 People Resident population, Census 2021
Mornington Peninsula Council area 43 suburbs, 25 postcodes
50 Median age Years, Census 2021
$1,451/wk Household income Suburb median, Census 2021 dollars
Decile 7/10 SEIFA advantage Above average advantage
7 Schools ACARA 2025 profiles in this suburb

Benchmarks against VIC

Household income
$1,451/wk
20% below VIC average
Suburb median, Census 2021
Weekly rent
$400/wk
7% above VIC average
Suburb median, Census 2021
SEIFA advantage
7/10
1.0 deciles above VIC average
IRSAD decile, higher means more advantage
Median age
50 years
4.0 years older than VIC average
Resident median age
Unemployment
3.8%
1.2 pts below VIC average
Census labour-force rate

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 2021

Detailed comparison table

Mornington vs the VIC average and the national average, using population-weighted 2021 Census data.

MetricMorningtonVIC avgAU avgGreater 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.

Postcode3931
StateVictoria (VIC)
Phone Area Code03
Population (2021)25,759
Median Age50 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 Size2.3 persons
Area21.1 km²
Population Density1221/km²
Total Dwellings10,476
Australian Citizens89.4%
Indigenous Population210 (0.8%)
Unemployment Rate3.8%
SEIFA IRSAD Decile7/10 (above average)
Latitude-38.2277083
Longitude145.0603633
Distance from Melbourne47 km
Region (SA4)Mornington Peninsula
Area (SA3)Mornington Peninsula
Local GovernmentMornington Peninsula
Federal ElectorateFlinders
State ElectorateMornington (Eastern Victoria)
Time ZoneAEST (UTC+10), Australia/Melbourne (standard time)

Age Profile

0–14 (15.0%) 15–24 (9.6%) 25–44 (18.6%) 45–64 (25.5%) 65+ (31.2%)
Show counts
0–14 years3,861 (15.0%)
15–24 years2,478 (9.6%)
25–44 years4,803 (18.6%)
45–64 years6,557 (25.5%)
65+ years8,046 (31.2%)

Housing Tenure

Owned outright (43.7%) Mortgaged (33.9%) Rented (22.5%)

SEIFA socio-economic index

Mornington is in SEIFA IRSAD decile 7 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Arthritis3,326 (12.9%)
Asthma2,374 (9.2%)
Heart Disease1,601 (6.2%)
Cancer1,323 (5.1%)
Diabetes1,281 (5.0%)
Lung Condition599 (2.3%)
Dementia366 (1.4%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle550 (5.3%)
1 vehicle4,093 (39.6%)
2 vehicles4,081 (39.4%)
3+ vehicles1,624 (15.7%)

Schools in Mornington

ACARA 2025 school profiles for schools located in Mornington. ICSEA is shown where ACARA publishes it.

Padua College
Secondary · Cat · ICSEA 1064 · 2,534 students
Mornington Secondary College
Secondary · Gov · ICSEA 1004 · 799 students
Benton Junior College
Primary · Gov · ICSEA 1040 · 585 students
St Macartan's School
Primary · Cat · ICSEA 1084 · 458 students
Mornington Primary School
Primary · Gov · ICSEA 1062 · 424 students
Mornington Park Primary School
Primary · Gov · ICSEA 997 · 225 students
Mornington Special Developmental School
Special · Gov · ICSEA 920 · 24 students

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.