Victoria · Postcode 3260
Koallah postcode and suburb data
Victoria · Phone area code 03 · 160 km from Melbourne
Suburb snapshot
Koallah 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.
Detailed comparison table
Koallah vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Koallah | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,374 -VIC | $1,817 | $1,836 |
| Rent/wk | $210 -VIC | $375 | $390 |
| Mortgage/month | $1,977 ≈VIC | $1,933 | $1,958 |
| Median age | 55 | 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.
Koallah is a locality 160 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3260. It falls within the Warrnambool and South West region. The local government area is Corangamite.
According to the 2021 Census, Koallah has a population of 28 with a median age of 55. The median weekly household income is $1,374, below the VIC average.
Housing in Koallah includes a median weekly rent of $210, median monthly mortgage repayment of $1,977, with 11 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 78.6% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Koallah scores in decile 7 out of 10, which is above the national average.
Koallah is part of the Colac - Corangamite statistical area in Victoria.
Koallah details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3260 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 28 |
| Median Age | 55 years |
| Median Household Income (Census 2021) | $1,374/week |
| Median Personal Income (Census 2021) | $1,093/week |
| Median Weekly Rent (Census 2021) | $210 |
| Median Monthly Mortgage (Census 2021) | $1,977 |
| Average Household Size | 2 persons |
| Area | 15.5 km² |
| Population Density | 2/km² |
| Total Dwellings | 11 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -38.2972927 |
| Longitude | 143.2450824 |
| Distance from Melbourne | 160 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 | 0 (0.0%) |
| 15–24 years | 3 (10.7%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 10 (35.7%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 6 (21.4%) |
| Asthma | 4 (14.3%) |
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 | 10 (43.5%) |
| 2 vehicles | 4 (17.4%) |
| 3+ vehicles | 9 (39.1%) |
Suburbs Near Koallah
Same Postcode (3260)
More Koallah 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.