Portsea Postcode

Victoria

Metro Top 10% SEIFA Above VIC income
3944
Postcode for Portsea, VIC
Phone area code: 03 · 60 km from Melbourne · Pop. 787
787
Population
68
Median Age
$2,470
Household Income/wk
$577
Median Rent/wk
10/10
SEIFA Advantage
11.3
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Portsea ranks: household income is in the top 10% of VIC suburbs; rents are among the top 10% in VIC; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Portsea Compares

Portsea vs the VIC average and the national average (2021 Census, population-weighted).

MetricPortseaVIC avgAU avg
Household income/wk $2,470 +VIC $1,817 $1,836
Rent/wk $577 +VIC $375 $390
Mortgage/month $2,806 +VIC $1,933 $1,958
Median age 68 46.0 45.0
SEIFA decile 10/10 +VIC 6.0/10 6.0/10
Unemployment 2.3% -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 3944 covers Portsea, 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, Portsea has a population of 787 with a median age of 68. The median weekly household income is $2,470, above the VIC average. The unemployment rate is 2.3%, lower than the VIC average. The Indigenous population is 5 (0.6% of residents).

Housing in Portsea includes a median weekly rent of $577, median monthly mortgage repayment of $2,806, with 328 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 93.1% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Portsea scores in decile 10 out of 10, which is well above the national average.

Portsea is part of the Mornington Peninsula statistical area in Victoria.

Portsea Details

Postcode3944
StateVictoria (VIC)
Phone Area Code03
Population (2021)787
Median Age68 years
Median Household Income (Census 2021)$2,470/week
Median Personal Income (Census 2021)$1,541/week
Median Weekly Rent (Census 2021)$577
Median Monthly Mortgage (Census 2021)$2,806
Average Household Size1.8 persons
Area11.3 km²
Population Density69/km²
Total Dwellings328
Australian Citizens90.0%
Indigenous Population5 (0.6%)
Unemployment Rate2.3%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-38.32
Longitude144.713
Distance from Melbourne60 km
Region (SA4)Mornington Peninsula
Area (SA3)Mornington Peninsula
Local GovernmentMornington Peninsula
Federal ElectorateFlinders

Age Profile

0–14 (3.7%) 15–24 (2.9%) 25–44 (6.1%) 45–64 (28.0%) 65+ (59.0%)
Show counts
0–14 years29 (3.7%)
15–24 years23 (2.9%)
25–44 years48 (6.1%)
45–64 years220 (28.0%)
65+ years464 (59.0%)

Housing Tenure

Owned outright (74.1%) Mortgaged (19.1%) Rented (6.9%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis114 (14.5%)
Heart Disease71 (9.0%)
Cancer65 (8.3%)
Asthma57 (7.2%)
Diabetes27 (3.4%)
Lung Condition17 (2.2%)
Dementia7 (0.9%)

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

Motor Vehicles per Dwelling

No vehicle3 (0.9%)
1 vehicle110 (33.4%)
2 vehicles151 (45.9%)
3+ vehicles65 (19.8%)

Suburbs Near Portsea

More Portsea 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.