St Andrews Beach Postcode

Victoria

CoastalMetro Top 10% SEIFA
3941
Postcode for St Andrews Beach, VIC
Phone area code: 03 · 68 km from Melbourne · Pop. 974
974
Population
44
Median Age
$1,931
Household Income/wk
$360
Median Rent/wk
9/10
SEIFA Advantage
3.1
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 St Andrews Beach ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How St Andrews Beach Compares

St Andrews Beach vs the VIC average and the national average (2021 Census, population-weighted).

MetricSt Andrews BeachVIC avgAU avg
Household income/wk $1,931 ≈VIC $1,817 $1,836
Rent/wk $360 ≈VIC $375 $390
Mortgage/month $2,000 ≈VIC $1,933 $1,958
Median age 44 46.0 45.0
SEIFA decile 9/10 +VIC 6.0/10 6.0/10
Unemployment 1.6% -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.

St Andrews Beach is a coastal suburb of Melbourne in Victoria, with postcode 3941. It sits about 68 km from the Melbourne CBD, within the Mornington Peninsula local government area. The suburb footprint covers roughly 3.1 square kilometres.

According to the 2021 Census, St Andrews Beach has a population of 974 with a median age of 44. The median weekly household income is $1,931, close to the VIC average. The unemployment rate is 1.6%, lower than the VIC average. The Indigenous population is 8 (0.8% of residents).

Housing in St Andrews Beach includes a median weekly rent of $360, median monthly mortgage repayment of $2,000, with 343 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 88.5% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, St Andrews Beach scores in decile 9 out of 10, which is well above the national average.

St Andrews Beach is part of the Mornington Peninsula statistical area in Victoria.

St Andrews Beach Details

Postcode3941
StateVictoria (VIC)
Phone Area Code03
Population (2021)974
Median Age44 years
Median Household Income (Census 2021)$1,931/week
Median Personal Income (Census 2021)$871/week
Median Weekly Rent (Census 2021)$360
Median Monthly Mortgage (Census 2021)$2,000
Average Household Size2.6 persons
Area3.1 km²
Population Density316/km²
Total Dwellings343
Australian Citizens92.3%
Indigenous Population8 (0.8%)
Unemployment Rate1.6%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-38.419
Longitude144.83
Distance from Melbourne68 km
Region (SA4)Mornington Peninsula
Area (SA3)Mornington Peninsula
Local GovernmentMornington Peninsula
Federal ElectorateFlinders

Age Profile

0–14 (21.6%) 15–24 (8.8%) 25–44 (20.0%) 45–64 (34.1%) 65+ (15.4%)
Show counts
0–14 years210 (21.6%)
15–24 years86 (8.8%)
25–44 years195 (20.0%)
45–64 years332 (34.1%)
65+ years150 (15.4%)

Housing Tenure

Owned outright (37.8%) Mortgaged (50.7%) Rented (11.5%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma84 (8.6%)
Arthritis65 (6.7%)
Cancer32 (3.3%)
Heart Disease25 (2.6%)
Diabetes14 (1.4%)
Lung Condition12 (1.2%)
Dementia3 (0.3%)

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

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle75 (22.3%)
2 vehicles177 (52.5%)
3+ vehicles85 (25.2%)

Suburbs Near St Andrews Beach

Same Postcode (3941)

More St Andrews Beach 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.