Clarendon Postcode

South Australia

Inner Regional Top 10% SEIFA Above SA income
5157
Postcode for Clarendon, SA
Phone area code: 08 · 20 km from Adelaide · Pop. 643
643
Population
48
Median Age
$2,065
Household Income/wk
$255
Median Rent/wk
9/10
SEIFA Advantage
33.6
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 Clarendon ranks: household income is in the top 25% of SA suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Clarendon Compares

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

MetricClarendonSA avgAU avgGreater Adelaide
Household income/wk $2,065 +SA $1,545 $1,836 $1,620
Rent/wk $255 -SA $308 $390 $329
Mortgage/month $2,119 +SA $1,558 $1,958 $1,666
Median age 48 45.0 45.0 42.0
SEIFA decile 9/10 +SA 5.0/10 6.0/10 7.0/10
Unemployment 3.5% -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.

Clarendon is a locality 20 km from Adelaide in South Australia, classified as inner regional by the ABS. The postcode is 5157. It falls within the South Australia - South East region. The local government area is Onkaparinga.

According to the 2021 Census, Clarendon has a population of 643 with a median age of 48. The median weekly household income is $2,065, above the SA average. The unemployment rate is 3.5%, lower than the SA average.

Housing in Clarendon includes a median weekly rent of $255, median monthly mortgage repayment of $2,119, with 237 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 90.9% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Clarendon scores in decile 9 out of 10, which is well above the national average.

Clarendon is served by Clarendon Primary School.

Clarendon is part of the Fleurieu - Kangaroo Island statistical area in South Australia.

Clarendon Details

Postcode5157
StateSouth Australia (SA)
Phone Area Code08
Population (2021)643
Median Age48 years
Median Household Income (Census 2021)$2,065/week
Median Personal Income (Census 2021)$951/week
Median Weekly Rent (Census 2021)$255
Median Monthly Mortgage (Census 2021)$2,119
Average Household Size2.6 persons
Area33.6 km²
Population Density19/km²
Total Dwellings237
Australian Citizens92.4%
Unemployment Rate3.5%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-35.1054491
Longitude138.6297435
Distance from Adelaide20 km
Region (SA4)South Australia - South East
Area (SA3)Fleurieu - Kangaroo Island
Local GovernmentOnkaparinga
Federal ElectorateMayo

Age Profile

0–14 (15.6%) 15–24 (10.6%) 25–44 (17.1%) 45–64 (35.8%) 65+ (18.7%)
Show counts
0–14 years100 (15.6%)
15–24 years68 (10.6%)
25–44 years110 (17.1%)
45–64 years230 (35.8%)
65+ years120 (18.7%)

Housing Tenure

Owned outright (47.2%) Mortgaged (43.7%) Rented (9.1%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis60 (9.3%)
Asthma59 (9.2%)
Cancer36 (5.6%)
Heart Disease28 (4.4%)
Diabetes26 (4.0%)
Lung Condition6 (0.9%)

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

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle49 (20.4%)
2 vehicles100 (41.7%)
3+ vehicles91 (37.9%)

Schools in Clarendon

Clarendon Primary School
Primary · Gov · ICSEA 1042 · 86 students

Suburbs Near Clarendon

Same Postcode (5157)

More Clarendon 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.