Happy Valley Postcode

Victoria

Outer Regional Bottom 20% SEIFA
3351
Postcode for Happy Valley, VIC
Phone area code: 03 · 121 km from Melbourne · Pop. 87
87
Population
47
Median Age
$1,187
Household Income/wk
$150
Median Rent/wk
2/10
SEIFA Advantage
20.2
Area (km²)

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.

How Happy Valley Compares

Happy Valley vs the VIC average and the national average (2021 Census, population-weighted).

MetricHappy ValleyVIC avgAU 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

Postcode3351
StateVictoria (VIC)
Phone Area Code03
Population (2021)87
Median Age47 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 Size2.4 persons
Area20.2 km²
Population Density4/km²
Total Dwellings34
Australian Citizens85.1%
Unemployment Rate9.4%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-37.7138138
Longitude143.5936688
Distance from Melbourne121 km
Region (SA4)Warrnambool and South West
Area (SA3)Warrnambool
Local GovernmentGolden Plains
Federal ElectorateWannon

Age Profile

0–14 (19.5%) 15–24 (4.6%) 25–44 (25.3%) 45–64 (35.6%) 65+ (18.4%)
Show counts
0–14 years17 (19.5%)
15–24 years4 (4.6%)
25–44 years22 (25.3%)
45–64 years31 (35.6%)
65+ years16 (18.4%)

Housing Tenure

Owned outright (37.8%) Mortgaged (54.1%) Rented (8.1%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma14 (16.1%)
Heart Disease9 (10.3%)
Arthritis7 (8.0%)
Lung Condition6 (6.9%)
Cancer5 (5.7%)
Diabetes4 (4.6%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle4 (17.4%)
2 vehicles8 (34.8%)
3+ vehicles11 (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.