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South Australia · Postcode 5051
Hawthorndene postcode and suburb data
South Australia · Phone area code 08 · 11 km from Adelaide
Suburb snapshot
Hawthorndene at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Hawthorndene ranks: household income is in the top 25% of SA suburbs; rents are among the top 10% in SA; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Hawthorndene vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Hawthorndene | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $2,139 +SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $400 +SA | $308 | $390 | $329 |
| Mortgage/month | $1,842 +SA | $1,558 | $1,958 | $1,666 |
| Median age | 41 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 10/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 3.2% -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.
Postcode 5051 covers Hawthorndene, an inland suburb of Adelaide about 11 km from the city centre. It forms part of the Adelaide - South region of South Australia. Local government services are provided by Mitcham.
According to the 2021 Census, Hawthorndene has a population of 3,389 with a median age of 41. The median weekly household income is $2,139, above the SA average. The unemployment rate is 3.2%, lower than the SA average. The Indigenous population is 30 (0.9% of residents).
Housing in Hawthorndene includes a median weekly rent of $400, median monthly mortgage repayment of $1,842, with 1,198 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 92.4% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Hawthorndene scores in decile 10 out of 10, which is well above the national average.
Hawthorndene is served by Hawthorndene Primary School.
Hawthorndene is part of the Onkaparinga statistical area in South Australia.
Hawthorndene details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5051 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 3,389 |
| Median Age | 41 years |
| Median Household Income (Census 2021) | $2,139/week |
| Median Personal Income (Census 2021) | $928/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $1,842 |
| Average Household Size | 2.8 persons |
| Area | 5.5 km² |
| Population Density | 620/km² |
| Total Dwellings | 1,198 |
| Australian Citizens | 93.7% |
| Indigenous Population | 30 (0.9%) |
| Unemployment Rate | 3.2% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -35.02 |
| Longitude | 138.631 |
| Distance from Adelaide | 11 km |
| Region (SA4) | Adelaide - South |
| Area (SA3) | Onkaparinga |
| Local Government | Mitcham |
| Federal Electorate | Mayo |
| State Electorate | Waite |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 678 (20.0%) |
| 15–24 years | 402 (11.9%) |
| 25–44 years | 758 (22.4%) |
| 45–64 years | 917 (27.1%) |
| 65+ years | 642 (18.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 292 (8.6%) |
| Asthma | 282 (8.3%) |
| Diabetes | 145 (4.3%) |
| Heart Disease | 135 (4.0%) |
| Cancer | 105 (3.1%) |
| Lung Condition | 47 (1.4%) |
| Dementia | 19 (0.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 21 (1.8%) |
| 1 vehicle | 305 (25.5%) |
| 2 vehicles | 582 (48.7%) |
| 3+ vehicles | 288 (24.1%) |
Schools in Hawthorndene
ACARA 2025 school profiles for schools located in Hawthorndene. ICSEA is shown where ACARA publishes it.
Suburbs Near Hawthorndene
Same Postcode (5051)
More Hawthorndene 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.