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Mount Osmond Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Mount Osmond Compares
Mount Osmond vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Mount Osmond | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $2,777 +SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $441 +SA | $308 | $390 | $329 |
| Mortgage/month | $2,599 +SA | $1,558 | $1,958 | $1,666 |
| Median age | 46 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 10/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 3.3% -SA | 6.0% | 5.0% | 6.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Mount Osmond is a coastal suburb of Adelaide in South Australia, with postcode 5064. It sits about 7 km from the Adelaide CBD, within the Burnside local government area. The suburb footprint covers roughly 2.1 square kilometres.
According to the 2021 Census, Mount Osmond has a population of 464 with a median age of 46. The median weekly household income is $2,777, above the SA average. The unemployment rate is 3.3%, lower than the SA average. The Indigenous population is 4 (0.9% of residents).
Housing in Mount Osmond includes a median weekly rent of $441, median monthly mortgage repayment of $2,599, with 157 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 95.4% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Osmond scores in decile 10 out of 10, which is well above the national average.
Mount Osmond is part of the Mitcham statistical area in South Australia.
Mount Osmond Details
| Postcode | 5064 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 464 |
| Median Age | 46 years |
| Median Household Income (Census 2021) | $2,777/week |
| Median Personal Income (Census 2021) | $1,142/week |
| Median Weekly Rent (Census 2021) | $441 |
| Median Monthly Mortgage (Census 2021) | $2,599 |
| Average Household Size | 2.8 persons |
| Area | 2.1 km² |
| Population Density | 216/km² |
| Total Dwellings | 157 |
| Australian Citizens | 92.0% |
| Indigenous Population | 4 (0.9%) |
| Unemployment Rate | 3.3% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -34.963529 |
| Longitude | 138.6614478 |
| Distance from Adelaide | 7 km |
| Region (SA4) | Adelaide - South |
| Area (SA3) | Mitcham |
| Local Government | Burnside |
| Federal Electorate | Sturt |
Age Profile
Show counts
| 0–14 years | 78 (16.8%) |
| 15–24 years | 56 (12.1%) |
| 25–44 years | 75 (16.2%) |
| 45–64 years | 151 (32.5%) |
| 65+ years | 95 (20.5%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 51 (11.0%) |
| Arthritis | 32 (6.9%) |
| Heart Disease | 23 (5.0%) |
| Diabetes | 18 (3.9%) |
| Cancer | 13 (2.8%) |
| Lung Condition | 8 (1.7%) |
| Dementia | 4 (0.9%) |
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 | 24 (15.2%) |
| 2 vehicles | 85 (53.8%) |
| 3+ vehicles | 49 (31.0%) |
Suburbs Near Mount Osmond
Same Postcode (5064)
More Mount Osmond 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.