Hillier Postcode

South Australia

Metro Bottom 20% SEIFA
5116
Postcode for Hillier, SA
Phone area code: 08 · 35 km from Adelaide · Pop. 814
814
Population
67
Median Age
$712
Household Income/wk
$255
Median Rent/wk
2/10
SEIFA Advantage
6.9
Area (km²)

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

Where Hillier ranks: household income sits in the bottom 10% of SA suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Hillier Compares

Hillier vs the SA average and the national average (2021 Census, population-weighted).

MetricHillierSA avgAU avgGreater Adelaide
Household income/wk $712 -SA $1,545 $1,836 $1,620
Rent/wk $255 -SA $308 $390 $329
Mortgage/month $1,473 ≈SA $1,558 $1,958 $1,666
Median age 67 45.0 45.0 42.0
SEIFA decile 2/10 -SA 5.0/10 6.0/10 7.0/10
Unemployment 2.3% -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 5116 covers Hillier, an inland suburb of Adelaide about 35 km from the city centre. It forms part of the Adelaide - North region of South Australia. Local government services are provided by Gawler.

According to the 2021 Census, Hillier has a population of 814 with a median age of 67. The median weekly household income is $712, below the SA average. The unemployment rate is 2.3%, lower than the SA average. The Indigenous population is 3 (0.4% of residents).

Housing in Hillier includes a median weekly rent of $255, median monthly mortgage repayment of $1,473, with 422 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 92.1% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Hillier scores in decile 2 out of 10, which is well below the national average.

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

Hillier Details

Postcode5116
StateSouth Australia (SA)
Phone Area Code08
Population (2021)814
Median Age67 years
Median Household Income (Census 2021)$712/week
Median Personal Income (Census 2021)$512/week
Median Weekly Rent (Census 2021)$255
Median Monthly Mortgage (Census 2021)$1,473
Average Household Size1.9 persons
Area6.9 km²
Population Density119/km²
Total Dwellings422
Australian Citizens89.3%
Indigenous Population3 (0.4%)
Unemployment Rate2.3%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-34.625
Longitude138.696
Distance from Adelaide35 km
Region (SA4)Adelaide - North
Area (SA3)Playford
Local GovernmentGawler
Federal ElectorateSpence

Age Profile

0–14 (10.8%) 15–24 (4.2%) 25–44 (11.3%) 45–64 (19.3%) 65+ (55.0%)
Show counts
0–14 years88 (10.8%)
15–24 years34 (4.2%)
25–44 years92 (11.3%)
45–64 years157 (19.3%)
65+ years448 (55.0%)

Housing Tenure

Owned outright (76.0%) Mortgaged (16.1%) Rented (7.9%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis199 (24.4%)
Diabetes109 (13.4%)
Heart Disease106 (13.0%)
Asthma102 (12.5%)
Cancer60 (7.4%)
Lung Condition57 (7.0%)
Dementia11 (1.4%)

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

Motor Vehicles per Dwelling

No vehicle39 (9.3%)
1 vehicle236 (56.3%)
2 vehicles87 (20.8%)
3+ vehicles57 (13.6%)

Suburbs Near Hillier

Same Postcode (5116)

More Hillier 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.