Rocklyn Postcode
Victoria
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Rocklyn Compares
Rocklyn vs the VIC average and the national average (2021 Census, population-weighted).
| Metric | Rocklyn | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,125 -VIC | $1,817 | $1,836 |
| Rent/wk | $200 -VIC | $375 | $390 |
| Mortgage/month | $1,700 -VIC | $1,933 | $1,958 |
| Median age | 57 | 46.0 | 45.0 |
| SEIFA decile | 6/10 ≈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.
Rocklyn is a locality 93 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3364. It falls within the Bendigo region. The local government area is Hepburn.
According to the 2021 Census, Rocklyn has a population of 43 with a median age of 57. The median weekly household income is $1,125, below the VIC average.
Housing in Rocklyn includes a median weekly rent of $200, median monthly mortgage repayment of $1,700, with 19 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Rocklyn scores in decile 6 out of 10, which is around the national average.
Rocklyn is part of the Heathcote - Castlemaine - Kyneton statistical area in Victoria.
Rocklyn Details
| Postcode | 3364 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 43 |
| Median Age | 57 years |
| Median Household Income (Census 2021) | $1,125/week |
| Median Personal Income (Census 2021) | $743/week |
| Median Weekly Rent (Census 2021) | $200 |
| Median Monthly Mortgage (Census 2021) | $1,700 |
| Average Household Size | 1.9 persons |
| Area | 17.4 km² |
| Population Density | 2/km² |
| Total Dwellings | 19 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -37.4258647 |
| Longitude | 144.0296538 |
| Distance from Melbourne | 93 km |
| Region (SA4) | Bendigo |
| Area (SA3) | Heathcote - Castlemaine - Kyneton |
| Local Government | Hepburn |
| Federal Electorate | Ballarat |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 6 (14.0%) |
| 25–44 years | 8 (18.6%) |
| 45–64 years | 19 (44.2%) |
| 65+ years | 16 (37.2%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 9 (20.9%) |
| Lung Condition | 7 (16.3%) |
| Heart Disease | 6 (14.0%) |
| Diabetes | 4 (9.3%) |
| Cancer | 3 (7.0%) |
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 | 6 (28.6%) |
| 2 vehicles | 12 (57.1%) |
| 3+ vehicles | 3 (14.3%) |
Suburbs Near Rocklyn
Same Postcode (3364)
More Rocklyn 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.