Armstrong Postcode

Victoria

Outer Regional
3377
Postcode for Armstrong, VIC
Phone area code: 03 · 196 km from Melbourne · Pop. 90
90
Population
53
Median Age
$1,166
Household Income/wk
$175
Median Rent/wk
7/10
SEIFA Advantage
19.2
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 Armstrong ranks: household income sits in the bottom 25% of VIC suburbs.

How Armstrong Compares

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

MetricArmstrongVIC avgAU avg
Household income/wk $1,166 -VIC $1,817 $1,836
Rent/wk $175 -VIC $375 $390
Mortgage/month $1,172 -VIC $1,933 $1,958
Median age 53 46.0 45.0
SEIFA decile 7/10 ≈VIC 6.0/10 6.0/10
Unemployment 0.0% -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.

Armstrong is a locality 196 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3377. It falls within the North West region. The local government area is Ararat.

According to the 2021 Census, Armstrong has a population of 90 with a median age of 53. The median weekly household income is $1,166, below the VIC average.

Housing in Armstrong includes a median weekly rent of $175, median monthly mortgage repayment of $1,172, with 35 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Armstrong scores in decile 7 out of 10, which is above the national average.

Armstrong is part of the Grampians statistical area in Victoria.

Armstrong Details

Postcode3377
StateVictoria (VIC)
Phone Area Code03
Population (2021)90
Median Age53 years
Median Household Income (Census 2021)$1,166/week
Median Personal Income (Census 2021)$820/week
Median Weekly Rent (Census 2021)$175
Median Monthly Mortgage (Census 2021)$1,172
Average Household Size2.2 persons
Area19.2 km²
Population Density5/km²
Total Dwellings35
Australian Citizens95.6%
Unemployment Rate0.0%
SEIFA IRSAD Decile7/10 (above average)
Latitude-37.2112639
Longitude142.8734706
Distance from Melbourne196 km
Region (SA4)North West
Area (SA3)Grampians
Local GovernmentArarat
Federal ElectorateWannon

Age Profile

0–14 (10.0%) 15–24 (16.7%) 25–44 (15.6%) 45–64 (42.2%) 65+ (15.6%)
Show counts
0–14 years9 (10.0%)
15–24 years15 (16.7%)
25–44 years14 (15.6%)
45–64 years38 (42.2%)
65+ years14 (15.6%)

Housing Tenure

Owned outright (35.5%) Mortgaged (64.5%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis9 (10.0%)
Asthma7 (7.8%)
Cancer5 (5.6%)
Heart Disease4 (4.4%)
Diabetes3 (3.3%)

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 vehicle3 (8.3%)
2 vehicles15 (41.7%)
3+ vehicles18 (50.0%)

Suburbs Near Armstrong

Same Postcode (3377)

More Armstrong 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.