South Australia · Postcode 5112

Hillbank postcode and suburb data

South Australia · Phone area code 08 · 21 km from Adelaide

Metro Above SA income
5,013
Population (2021)
$1,813
Household income/wk
$346
Median rent/wk
36
Median age
4/10
SEIFA advantage

Suburb snapshot

Hillbank 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

5112 Postcode See every suburb sharing this postcode
5,013 People Resident population, Census 2021
Playford Council area 36 suburbs, 9 postcodes
36 Median age Years, Census 2021
$1,813/wk Household income Suburb median, Census 2021 dollars
Decile 4/10 SEIFA advantage Middle SEIFA range

Benchmarks against SA

Household income
$1,813/wk
17% above SA average
Suburb median, Census 2021
Weekly rent
$346/wk
12% above SA average
Suburb median, Census 2021
SEIFA advantage
4/10
1.0 deciles below SA average
IRSAD decile, higher means more advantage
Median age
36 years
9.0 years younger than SA average
Resident median age
Unemployment
5.4%
0.6 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

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

MetricHillbankSA avgAU avgGreater Adelaide
Household income/wk $1,813 +SA $1,545 $1,836 $1,620
Rent/wk $346 +SA $308 $390 $329
Mortgage/month $1,495 ≈SA $1,558 $1,958 $1,666
Median age 36 45.0 45.0 42.0
SEIFA decile 4/10 ≈SA 5.0/10 6.0/10 7.0/10
Unemployment 5.4% ≈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 5112 covers Hillbank, an inland suburb of Adelaide about 21 km from the city centre. It forms part of the Adelaide - North region of South Australia. Local government services are provided by Playford.

According to the 2021 Census, Hillbank has a population of 5,013 with a median age of 36. The median weekly household income is $1,813, above the SA average. The unemployment rate is 5.4%. The Indigenous population is 118 (2.4% of residents).

Housing in Hillbank includes a median weekly rent of $346, median monthly mortgage repayment of $1,495, with 1,797 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 87.3% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Hillbank scores in decile 4 out of 10, which is below the national average.

Hillbank is part of the Playford statistical area in South Australia.

Hillbank details

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

Postcode5112
StateSouth Australia (SA)
Phone Area Code08
Population (2021)5,013
Median Age36 years
Median Household Income (Census 2021)$1,813/week
Median Personal Income (Census 2021)$823/week
Median Weekly Rent (Census 2021)$346
Median Monthly Mortgage (Census 2021)$1,495
Average Household Size2.7 persons
Area3.2 km²
Population Density1587/km²
Total Dwellings1,797
Australian Citizens91.6%
Indigenous Population118 (2.4%)
Unemployment Rate5.4%
SEIFA IRSAD Decile4/10 (below average)
Latitude-34.7471145
Longitude138.6815087
Distance from Adelaide21 km
Region (SA4)Adelaide - North
Area (SA3)Playford
Local GovernmentPlayford
Federal ElectorateSpence
State ElectorateRamsay
Time ZoneACST (UTC+9:30), Australia/Adelaide (standard time)

Age Profile

0–14 (18.8%) 15–24 (13.5%) 25–44 (27.2%) 45–64 (27.4%) 65+ (13.1%)
Show counts
0–14 years940 (18.8%)
15–24 years678 (13.5%)
25–44 years1,363 (27.2%)
45–64 years1,376 (27.4%)
65+ years656 (13.1%)

Housing Tenure

Owned outright (31.4%) Mortgaged (55.9%) Rented (12.7%)

SEIFA socio-economic index

Hillbank is in SEIFA IRSAD decile 4 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)

Asthma525 (10.5%)
Arthritis446 (8.9%)
Diabetes301 (6.0%)
Heart Disease173 (3.5%)
Cancer121 (2.4%)
Lung Condition98 (2.0%)
Dementia15 (0.3%)

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

Motor Vehicles per Dwelling

No vehicle39 (2.2%)
1 vehicle483 (27.0%)
2 vehicles790 (44.1%)
3+ vehicles478 (26.7%)

Suburbs Near Hillbank

Same Postcode (5112)

More Hillbank 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.