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- Derrinallum
Victoria · Postcode 3325
Derrinallum postcode and suburb data
Victoria · Phone area code 03 · 154 km from Melbourne
Suburb snapshot
Derrinallum 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 Derrinallum ranks: household income sits in the bottom 25% of VIC suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Derrinallum vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Derrinallum | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $946 -VIC | $1,817 | $1,836 |
| Rent/wk | $170 -VIC | $375 | $390 |
| Mortgage/month | $861 -VIC | $1,933 | $1,958 |
| Median age | 55 | 46.0 | 45.0 |
| SEIFA decile | 3/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 2.6% -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.
Derrinallum is a locality 154 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3325. It falls within the Warrnambool and South West region. The local government area is Corangamite.
According to the 2021 Census, Derrinallum has a population of 386 with a median age of 55. The median weekly household income is $946, below the VIC average. The unemployment rate is 2.6%, lower than the VIC average. The Indigenous population is 8 (2.1% of residents).
Housing in Derrinallum includes a median weekly rent of $170, median monthly mortgage repayment of $861, with 167 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 85.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Derrinallum scores in decile 3 out of 10, which is below the national average.
Derrinallum is served by Derrinallum P-12 College.
Derrinallum is part of the Colac - Corangamite statistical area in Victoria.
Derrinallum details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3325 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 386 |
| Median Age | 55 years |
| Median Household Income (Census 2021) | $946/week |
| Median Personal Income (Census 2021) | $536/week |
| Median Weekly Rent (Census 2021) | $170 |
| Median Monthly Mortgage (Census 2021) | $861 |
| Average Household Size | 2 persons |
| Area | 273.9 km² |
| Population Density | 1/km² |
| Total Dwellings | 167 |
| Australian Citizens | 89.9% |
| Indigenous Population | 8 (2.1%) |
| Unemployment Rate | 2.6% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -37.948441 |
| Longitude | 143.2160297 |
| Distance from Melbourne | 154 km |
| Region (SA4) | Warrnambool and South West |
| Area (SA3) | Colac - Corangamite |
| Local Government | Corangamite |
| Federal Electorate | Wannon |
| State Electorate | Polwarth (Western Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 66 (17.1%) |
| 15–24 years | 24 (6.2%) |
| 25–44 years | 62 (16.1%) |
| 45–64 years | 123 (31.9%) |
| 65+ years | 118 (30.6%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 71 (18.4%) |
| Asthma | 46 (11.9%) |
| Heart Disease | 30 (7.8%) |
| Diabetes | 25 (6.5%) |
| Lung Condition | 19 (4.9%) |
| Cancer | 19 (4.9%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 5 (2.9%) |
| 1 vehicle | 59 (34.7%) |
| 2 vehicles | 59 (34.7%) |
| 3+ vehicles | 47 (27.6%) |
Schools in Derrinallum
ACARA 2025 school profiles for schools located in Derrinallum. ICSEA is shown where ACARA publishes it.
Suburbs Near Derrinallum
Same Postcode (3325)
More Derrinallum 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.