- Home
- Victoria
- North West
- Grampians
- Lake Wongan
Victoria · Postcode 3373
Lake Wongan postcode and suburb data
Victoria · Phone area code 03 · 162 km from Melbourne
Suburb snapshot
Lake Wongan 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 Lake Wongan ranks: rents sit in the cheapest 10% in VIC.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Lake Wongan vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Lake Wongan | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,624 -VIC | $1,817 | $1,836 |
| Mortgage/month | $4,000 +VIC | $1,933 | $1,958 |
| Median age | 44 | 46.0 | 45.0 |
| SEIFA decile | 8/10 +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.
Lake Wongan is a locality 162 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3373. It falls within the North West region. The local government area is Pyrenees.
According to the 2021 Census, Lake Wongan has a population of 3 with a median age of 44. The median weekly household income is $1,624, below the VIC average.
Housing in Lake Wongan includes a median monthly mortgage repayment of $4,000, 5 total dwellings. These housing costs sit above the VIC average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Lake Wongan scores in decile 8 out of 10, which is above the national average.
Lake Wongan is part of the Grampians statistical area in Victoria.
Lake Wongan details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3373 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 3 |
| Median Age | 44 years |
| Median Household Income (Census 2021) | $1,624/week |
| Median Personal Income (Census 2021) | $1,624/week |
| Median Monthly Mortgage (Census 2021) | $4,000 |
| Average Household Size | 1.5 persons |
| Area | 24.4 km² |
| Population Density | 0/km² |
| Total Dwellings | 5 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -37.57943 |
| Longitude | 143.1504998 |
| Distance from Melbourne | 162 km |
| Region (SA4) | North West |
| Area (SA3) | Grampians |
| Local Government | Pyrenees |
| Federal Electorate | Wannon |
| State Electorate | Ripon (Western Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 4 (133.3%) |
| 45–64 years | 3 (100.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Lake Wongan
Same Postcode (3373)
More Lake Wongan 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.