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Victoria · Postcode 3585
Castle Donnington postcode and suburb data
Victoria · Phone area code 03 · 293 km from Melbourne
Suburb snapshot
Castle Donnington 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
Benchmarks against VIC
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Castle Donnington ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Castle Donnington vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Castle Donnington | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,541 -VIC | $1,817 | $1,836 |
| Rent/wk | $250 -VIC | $375 | $390 |
| Mortgage/month | $1,564 -VIC | $1,933 | $1,958 |
| Median age | 43 | 46.0 | 45.0 |
| SEIFA decile | 9/10 +VIC | 6.0/10 | 6.0/10 |
| Unemployment | 4.5% ≈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.
Castle Donnington is a locality 293 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3585. It falls within the North West region. The local government area is Swan Hill.
According to the 2021 Census, Castle Donnington has a population of 139 with a median age of 43. The median weekly household income is $1,541, below the VIC average. The unemployment rate is 4.5%.
Housing in Castle Donnington includes a median weekly rent of $250, median monthly mortgage repayment of $1,564, with 52 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, Castle Donnington scores in decile 9 out of 10, which is well above the national average.
Castle Donnington is part of the Murray River - Swan Hill statistical area in Victoria.
Castle Donnington details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3585 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 139 |
| Median Age | 43 years |
| Median Household Income (Census 2021) | $1,541/week |
| Median Personal Income (Census 2021) | $853/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $1,564 |
| Average Household Size | 2.5 persons |
| Area | 45.9 km² |
| Population Density | 3/km² |
| Total Dwellings | 52 |
| Australian Citizens | 85.6% |
| Unemployment Rate | 4.5% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -35.4185703 |
| Longitude | 143.6044718 |
| Distance from Melbourne | 293 km |
| Region (SA4) | North West |
| Area (SA3) | Murray River - Swan Hill |
| Local Government | Swan Hill |
| Federal Electorate | Mallee |
| State Electorate | Murray Plains (Northern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 34 (24.5%) |
| 15–24 years | 7 (5.0%) |
| 25–44 years | 31 (22.3%) |
| 45–64 years | 40 (28.8%) |
| 65+ years | 33 (23.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 15 (10.8%) |
| Asthma | 13 (9.4%) |
| Diabetes | 8 (5.8%) |
| Heart Disease | 7 (5.0%) |
| Cancer | 5 (3.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 9 (17.0%) |
| 2 vehicles | 24 (45.3%) |
| 3+ vehicles | 20 (37.7%) |
Suburbs Near Castle Donnington
Same Postcode (3585)
More Castle Donnington 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.