St Arnaud Postcode

Victoria

Outer Regional Bottom 20% SEIFA
3478
Postcode for St Arnaud, VIC
Phone area code: 03 · 201 km from Melbourne · Pop. 2,318
2,318
Population
52
Median Age
$920
Household Income/wk
$188
Median Rent/wk
2/10
SEIFA Advantage
69.0
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 Arnaud ranks: household income sits in the bottom 25% of VIC suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How St Arnaud Compares

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

MetricSt ArnaudVIC avgAU avg
Household income/wk $920 -VIC $1,817 $1,836
Rent/wk $188 -VIC $375 $390
Mortgage/month $867 -VIC $1,933 $1,958
Median age 52 46.0 45.0
SEIFA decile 2/10 -VIC 6.0/10 6.0/10
Unemployment 3.9% -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 Arnaud is a locality 201 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3478. It falls within the North West region. The local government area is Northern Grampians.

According to the 2021 Census, St Arnaud has a population of 2,318 with a median age of 52. The median weekly household income is $920, below the VIC average. The unemployment rate is 3.9%, lower than the VIC average. The Indigenous population is 54 (2.3% of residents).

Housing in St Arnaud includes a median weekly rent of $188, median monthly mortgage repayment of $867, with 1,042 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 79.4% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, St Arnaud scores in decile 2 out of 10, which is well below the national average.

Schools in St Arnaud include St Arnaud Secondary College, St Arnaud Primary School and St Patrick's School.

St Arnaud is part of the Murray River - Swan Hill statistical area in Victoria.

St Arnaud Details

Postcode3478
StateVictoria (VIC)
Phone Area Code03
Population (2021)2,318
Median Age52 years
Median Household Income (Census 2021)$920/week
Median Personal Income (Census 2021)$560/week
Median Weekly Rent (Census 2021)$188
Median Monthly Mortgage (Census 2021)$867
Average Household Size2 persons
Area69.0 km²
Population Density34/km²
Total Dwellings1,042
Australian Citizens90.7%
Indigenous Population54 (2.3%)
Unemployment Rate3.9%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-36.616618
Longitude143.2603641
Distance from Melbourne201 km
Region (SA4)North West
Area (SA3)Murray River - Swan Hill
Local GovernmentNorthern Grampians
Federal ElectorateMallee

Age Profile

0–14 (13.7%) 15–24 (9.3%) 25–44 (18.1%) 45–64 (26.6%) 65+ (32.1%)
Show counts
0–14 years317 (13.7%)
15–24 years215 (9.3%)
25–44 years420 (18.1%)
45–64 years617 (26.6%)
65+ years745 (32.1%)

Housing Tenure

Owned outright (50.9%) Mortgaged (28.4%) Rented (20.6%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis340 (14.7%)
Asthma220 (9.5%)
Diabetes170 (7.3%)
Heart Disease137 (5.9%)
Cancer125 (5.4%)
Lung Condition97 (4.2%)
Dementia19 (0.8%)

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

Motor Vehicles per Dwelling

No vehicle92 (9.1%)
1 vehicle376 (37.2%)
2 vehicles341 (33.8%)
3+ vehicles201 (19.9%)

Schools in St Arnaud

St Arnaud Secondary College
Secondary · Gov · ICSEA 975 · 168 students
St Arnaud Primary School
Primary · Gov · ICSEA 958 · 110 students
St Patrick's School
Primary · Cat · ICSEA 1011 · 102 students

Suburbs Near St Arnaud

Same Postcode (3478)

More St Arnaud 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.