Victoria · Postcode 3143

Armadale postcode and suburb data

Victoria · Phone area code 03 · 7 km from Melbourne

CoastalMetro Top 10% SEIFA Above VIC income
9,368
Population (2021)
$2,193
Household income/wk
$421
Median rent/wk
38
Median age
10/10
SEIFA advantage

Suburb snapshot

Armadale 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

3143 Postcode See every suburb sharing this postcode
9,368 People Resident population, Census 2021
Stonnington Council area 12 suburbs, 7 postcodes
38 Median age Years, Census 2021
$2,193/wk Household income Suburb median, Census 2021 dollars
Decile 10/10 SEIFA advantage Very high advantage
3 Schools ACARA 2025 profiles in this suburb

Benchmarks against VIC

Household income
$2,193/wk
21% above VIC average
Suburb median, Census 2021
Weekly rent
$421/wk
12% above VIC average
Suburb median, Census 2021
SEIFA advantage
10/10
4.0 deciles above VIC average
IRSAD decile, higher means more advantage
Median age
38 years
8.0 years younger than VIC average
Resident median age
Unemployment
3.9%
1.1 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 Armadale ranks: household income is in the top 25% 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.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

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

MetricArmadaleVIC avgAU avgGreater Melbourne
Household income/wk $2,193 +VIC $1,817 $1,836 $1,943
Rent/wk $421 +VIC $375 $390 $404
Mortgage/month $2,458 +VIC $1,933 $1,958 $2,100
Median age 38 46.0 45.0 39.0
SEIFA decile 10/10 +VIC 6.0/10 6.0/10 9.0/10
Unemployment 3.9% -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.

Armadale is a coastal suburb of Melbourne in Victoria, with postcode 3143. It sits about 7 km from the Melbourne CBD, within the Stonnington local government area. The suburb footprint covers roughly 2.1 square kilometres.

According to the 2021 Census, Armadale has a population of 9,368 with a median age of 38. The median weekly household income is $2,193, above the VIC average. The unemployment rate is 3.9%, lower than the VIC average. The Indigenous population is 23 (0.2% of residents).

Housing in Armadale includes a median weekly rent of $421, median monthly mortgage repayment of $2,458, with 4,354 total dwellings. These housing costs sit above the VIC average. Rental properties account for 46.0% of dwellings.

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

Schools in Armadale include Lauriston Girls' School, The King David School and Armadale Primary School.

Armadale is part of the Stonnington - West statistical area in Victoria.

Armadale details

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode3143
StateVictoria (VIC)
Phone Area Code03
Population (2021)9,368
Median Age38 years
Median Household Income (Census 2021)$2,193/week
Median Personal Income (Census 2021)$1,354/week
Median Weekly Rent (Census 2021)$421
Median Monthly Mortgage (Census 2021)$2,458
Average Household Size2 persons
Area2.1 km²
Population Density4371/km²
Total Dwellings4,354
Australian Citizens84.3%
Indigenous Population23 (0.2%)
Unemployment Rate3.9%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-37.857253
Longitude145.0190242
Distance from Melbourne7 km
Region (SA4)Melbourne - Inner
Area (SA3)Stonnington - West
Local GovernmentStonnington
Federal ElectorateHiggins
State ElectoratePrahran (Southern Metropolitan)
Time ZoneAEST (UTC+10), Australia/Melbourne (standard time)

Age Profile

0–14 (12.7%) 15–24 (10.7%) 25–44 (35.5%) 45–64 (22.3%) 65+ (18.7%)
Show counts
0–14 years1,190 (12.7%)
15–24 years1,004 (10.7%)
25–44 years3,326 (35.5%)
45–64 years2,087 (22.3%)
65+ years1,754 (18.7%)

Housing Tenure

Owned outright (30.3%) Mortgaged (23.7%) Rented (46.0%)

SEIFA socio-economic index

Armadale is in SEIFA IRSAD decile 10 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)

Asthma721 (7.7%)
Arthritis566 (6.0%)
Heart Disease324 (3.5%)
Cancer301 (3.2%)
Diabetes234 (2.5%)
Lung Condition76 (0.8%)
Dementia41 (0.4%)

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

Motor Vehicles per Dwelling

No vehicle576 (13.4%)
1 vehicle2,208 (51.2%)
2 vehicles1,222 (28.3%)
3+ vehicles306 (7.1%)

Schools in Armadale

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

Lauriston Girls' School
Combined · Ind · ICSEA 1199 · 935 students
The King David School
Combined · Ind · ICSEA 1165 · 592 students
Armadale Primary School
Primary · Gov · ICSEA 1156 · 254 students

Suburbs Near Armadale

Same Postcode (3143)

More Armadale 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.