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Hallett Cove 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 Hallett Cove Compares
Hallett Cove vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Hallett Cove | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,871 +SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $380 +SA | $308 | $390 | $329 |
| Mortgage/month | $1,700 ≈SA | $1,558 | $1,958 | $1,666 |
| Median age | 43 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 8/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 4.6% -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 5158 covers Hallett Cove, an inland suburb of Adelaide about 19 km from the city centre. It forms part of the Adelaide - South region of South Australia. Local government services are provided by Marion.
According to the 2021 Census, Hallett Cove has a population of 12,512 with a median age of 43. The median weekly household income is $1,871, above the SA average. The unemployment rate is 4.6%, lower than the SA average. The Indigenous population is 121 (1.0% of residents).
Housing in Hallett Cove includes a median weekly rent of $380, median monthly mortgage repayment of $1,700, with 4,709 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 85.6% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Hallett Cove scores in decile 8 out of 10, which is above the national average.
Schools in Hallett Cove include Hallett Cove School, Hallett Cove East Primary School and Hallett Cove South Primary School.
Hallett Cove is part of the Onkaparinga statistical area in South Australia.
Hallett Cove Details
| Postcode | 5158 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 12,512 |
| Median Age | 43 years |
| Median Household Income (Census 2021) | $1,871/week |
| Median Personal Income (Census 2021) | $838/week |
| Median Weekly Rent (Census 2021) | $380 |
| Median Monthly Mortgage (Census 2021) | $1,700 |
| Average Household Size | 2.6 persons |
| Area | 9.1 km² |
| Population Density | 1373/km² |
| Total Dwellings | 4,709 |
| Australian Citizens | 89.8% |
| Indigenous Population | 121 (1.0%) |
| Unemployment Rate | 4.6% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -35.077 |
| Longitude | 138.502 |
| Distance from Adelaide | 19 km |
| Region (SA4) | Adelaide - South |
| Area (SA3) | Onkaparinga |
| Local Government | Marion |
| Federal Electorate | Kingston |
Age Profile
Show counts
| 0–14 years | 2,055 (16.4%) |
| 15–24 years | 1,383 (11.1%) |
| 25–44 years | 3,019 (24.1%) |
| 45–64 years | 3,666 (29.3%) |
| 65+ years | 2,383 (19.0%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 8 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 1,183 (9.5%) |
| Asthma | 1,094 (8.7%) |
| Diabetes | 627 (5.0%) |
| Heart Disease | 533 (4.3%) |
| Cancer | 436 (3.5%) |
| Lung Condition | 203 (1.6%) |
| Dementia | 52 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 129 (2.8%) |
| 1 vehicle | 1,416 (30.2%) |
| 2 vehicles | 2,084 (44.5%) |
| 3+ vehicles | 1,058 (22.6%) |
Schools in Hallett Cove
Suburbs Near Hallett Cove
Same Postcode (5158)
More Hallett Cove 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.