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Victoria · Postcode 3351
Happy Valley postcode and suburb data
Victoria · Phone area code 03 · 121 km from Melbourne
Suburb snapshot
Happy Valley 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 Happy Valley 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.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Happy Valley vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Happy Valley | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,187 -VIC | $1,817 | $1,836 |
| Rent/wk | $150 -VIC | $375 | $390 |
| Mortgage/month | $821 -VIC | $1,933 | $1,958 |
| Median age | 47 | 46.0 | 45.0 |
| SEIFA decile | 2/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 9.4% +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.
Happy Valley is a locality 121 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3351. It falls within the Warrnambool and South West region. The local government area is Golden Plains.
According to the 2021 Census, Happy Valley has a population of 87 with a median age of 47. The median weekly household income is $1,187, below the VIC average. The unemployment rate is 9.4%, higher than the VIC average.
Housing in Happy Valley includes a median weekly rent of $150, median monthly mortgage repayment of $821, with 34 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 91.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Happy Valley scores in decile 2 out of 10, which is well below the national average.
Happy Valley is part of the Warrnambool statistical area in Victoria.
Happy Valley details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3351 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 87 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,187/week |
| Median Personal Income (Census 2021) | $584/week |
| Median Weekly Rent (Census 2021) | $150 |
| Median Monthly Mortgage (Census 2021) | $821 |
| Average Household Size | 2.4 persons |
| Area | 20.2 km² |
| Population Density | 4/km² |
| Total Dwellings | 34 |
| Australian Citizens | 85.1% |
| Unemployment Rate | 9.4% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -37.7138138 |
| Longitude | 143.5936688 |
| Distance from Melbourne | 121 km |
| Region (SA4) | Warrnambool and South West |
| Area (SA3) | Warrnambool |
| Local Government | Golden Plains |
| Federal Electorate | Wannon |
| State Electorate | Ripon (Western Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 17 (19.5%) |
| 15–24 years | 4 (4.6%) |
| 25–44 years | 22 (25.3%) |
| 45–64 years | 31 (35.6%) |
| 65+ years | 16 (18.4%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 14 (16.1%) |
| Heart Disease | 9 (10.3%) |
| Arthritis | 7 (8.0%) |
| Lung Condition | 6 (6.9%) |
| Cancer | 5 (5.7%) |
| Diabetes | 4 (4.6%) |
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 | 4 (17.4%) |
| 2 vehicles | 8 (34.8%) |
| 3+ vehicles | 11 (47.8%) |
Suburbs Near Happy Valley
Same Postcode (3351)
More Happy Valley 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.