South Australia · Postcode 5091

Banksia Park postcode and suburb data

South Australia · Phone area code 08 · 18 km from Adelaide

Metro Above SA income
3,346
Population (2021)
$1,799
Household income/wk
$350
Median rent/wk
41
Median age
7/10
SEIFA advantage

Suburb snapshot

Banksia Park 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

5091 Postcode See every suburb sharing this postcode
3,346 People Resident population, Census 2021
Tea Tree Gully Council area 21 suburbs, 12 postcodes
41 Median age Years, Census 2021
$1,799/wk Household income Suburb median, Census 2021 dollars
Decile 7/10 SEIFA advantage Above average advantage
2 Schools ACARA 2025 profiles in this suburb

Benchmarks against SA

Household income
$1,799/wk
16% above SA average
Suburb median, Census 2021
Weekly rent
$350/wk
14% above SA average
Suburb median, Census 2021
SEIFA advantage
7/10
2.0 deciles above SA average
IRSAD decile, higher means more advantage
Median age
41 years
4.0 years younger than SA average
Resident median age
Unemployment
3.9%
2.1 pts below SA average
Census labour-force rate

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Detailed comparison table

Banksia Park vs the SA average and the national average, using population-weighted 2021 Census data.

MetricBanksia ParkSA avgAU avgGreater Adelaide
Household income/wk $1,799 +SA $1,545 $1,836 $1,620
Rent/wk $350 +SA $308 $390 $329
Mortgage/month $1,550 ≈SA $1,558 $1,958 $1,666
Median age 41 45.0 45.0 42.0
SEIFA decile 7/10 +SA 5.0/10 6.0/10 7.0/10
Unemployment 3.9% -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 Banksia Park, an inland suburb of Adelaide about 18 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, Banksia Park has a population of 3,346 with a median age of 41. The median weekly household income is $1,799, above the SA average. The unemployment rate is 3.9%, lower than the SA average. The Indigenous population is 35 (1.0% of residents).

Housing in Banksia Park includes a median weekly rent of $350, median monthly mortgage repayment of $1,550, with 1,242 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 89.5% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Banksia Park scores in decile 7 out of 10, which is above the national average.

Schools in Banksia Park include Banksia Park International High School and Banksia Park School R-6.

Banksia Park is part of the Tea Tree Gully statistical area in South Australia.

Banksia Park details

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode5091
StateSouth Australia (SA)
Phone Area Code08
Population (2021)3,346
Median Age41 years
Median Household Income (Census 2021)$1,799/week
Median Personal Income (Census 2021)$794/week
Median Weekly Rent (Census 2021)$350
Median Monthly Mortgage (Census 2021)$1,550
Average Household Size2.6 persons
Area2.0 km²
Population Density1679/km²
Total Dwellings1,242
Australian Citizens93.7%
Indigenous Population35 (1.0%)
Unemployment Rate3.9%
SEIFA IRSAD Decile7/10 (above average)
Latitude-34.8090822
Longitude138.7316925
Distance from Adelaide18 km
Region (SA4)Adelaide - North
Area (SA3)Tea Tree Gully
Local GovernmentTea Tree Gully
Federal ElectorateMakin
State ElectorateSchubert
Time ZoneACST (UTC+9:30), Australia/Adelaide (standard time)

Age Profile

0–14 (19.1%) 15–24 (11.0%) 25–44 (25.1%) 45–64 (23.8%) 65+ (20.7%)
Show counts
0–14 years639 (19.1%)
15–24 years369 (11.0%)
25–44 years840 (25.1%)
45–64 years798 (23.8%)
65+ years694 (20.7%)

Housing Tenure

Owned outright (38.8%) Mortgaged (50.7%) Rented (10.5%)

SEIFA socio-economic index

Banksia Park is in SEIFA IRSAD decile 7 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Arthritis321 (9.6%)
Asthma298 (8.9%)
Diabetes199 (5.9%)
Heart Disease161 (4.8%)
Cancer119 (3.6%)
Lung Condition39 (1.2%)
Dementia15 (0.4%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle25 (2.0%)
1 vehicle353 (28.4%)
2 vehicles557 (44.8%)
3+ vehicles309 (24.8%)

Schools in Banksia Park

ACARA 2025 school profiles for schools located in Banksia Park. ICSEA is shown where ACARA publishes it.

Banksia Park International High School
Secondary · Gov · ICSEA 1009 · 1,055 students
Banksia Park School R-6
Primary · Gov · ICSEA 1037 · 240 students

Suburbs Near Banksia Park

Same Postcode (5091)

More Banksia Park 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.