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Tea Tree Gully 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 Tea Tree Gully Compares
Tea Tree Gully vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Tea Tree Gully | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,607 ≈SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $325 ≈SA | $308 | $390 | $329 |
| Mortgage/month | $1,600 ≈SA | $1,558 | $1,958 | $1,666 |
| Median age | 44 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 7/10 +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 5091 covers Tea Tree Gully, an inland suburb of Adelaide about 16 km from the city centre. It forms part of the Adelaide - North region of South Australia. Local government services are provided by Tea Tree Gully.
According to the 2021 Census, Tea Tree Gully has a population of 3,499 with a median age of 44. The median weekly household income is $1,607, close to the SA average. The unemployment rate is 4.6%, lower than the SA average. The Indigenous population is 38 (1.1% of residents).
Housing in Tea Tree Gully includes a median weekly rent of $325, median monthly mortgage repayment of $1,600, with 1,362 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 85.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Tea Tree Gully scores in decile 7 out of 10, which is above the national average.
Schools in Tea Tree Gully include Saint David's Parish School and Tea Tree Gully Primary School.
Tea Tree Gully is part of the Tea Tree Gully statistical area in South Australia.
Tea Tree Gully Details
| Postcode | 5091 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 3,499 |
| Median Age | 44 years |
| Median Household Income (Census 2021) | $1,607/week |
| Median Personal Income (Census 2021) | $799/week |
| Median Weekly Rent (Census 2021) | $325 |
| Median Monthly Mortgage (Census 2021) | $1,600 |
| Average Household Size | 2.5 persons |
| Area | 4.8 km² |
| Population Density | 735/km² |
| Total Dwellings | 1,362 |
| Australian Citizens | 92.1% |
| Indigenous Population | 38 (1.1%) |
| Unemployment Rate | 4.6% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -34.826 |
| Longitude | 138.726 |
| Distance from Adelaide | 16 km |
| Region (SA4) | Adelaide - North |
| Area (SA3) | Tea Tree Gully |
| Local Government | Tea Tree Gully |
| Federal Electorate | Makin |
Age Profile
Show counts
| 0–14 years | 548 (15.7%) |
| 15–24 years | 405 (11.6%) |
| 25–44 years | 832 (23.8%) |
| 45–64 years | 906 (25.9%) |
| 65+ years | 808 (23.1%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 374 (10.7%) |
| Asthma | 306 (8.7%) |
| Heart Disease | 195 (5.6%) |
| Diabetes | 180 (5.1%) |
| Cancer | 127 (3.6%) |
| Lung Condition | 66 (1.9%) |
| Dementia | 8 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 52 (3.8%) |
| 1 vehicle | 454 (33.6%) |
| 2 vehicles | 548 (40.6%) |
| 3+ vehicles | 297 (22.0%) |
Schools in Tea Tree Gully
Suburbs Near Tea Tree Gully
Same Postcode (5091)
More Tea Tree Gully 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.