Old Noarlunga Postcode

South Australia

Metro Bottom 20% SEIFA
5168
Postcode for Old Noarlunga, SA
Phone area code: 08 · 29 km from Adelaide · Pop. 1,531
1,531
Population
41
Median Age
$1,485
Household Income/wk
$305
Median Rent/wk
2/10
SEIFA Advantage
3.6
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 Old Noarlunga ranks: SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Old Noarlunga Compares

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

MetricOld NoarlungaSA avgAU avgGreater Adelaide
Household income/wk $1,485 ≈SA $1,545 $1,836 $1,620
Rent/wk $305 ≈SA $308 $390 $329
Mortgage/month $1,395 -SA $1,558 $1,958 $1,666
Median age 41 45.0 45.0 42.0
SEIFA decile 2/10 -SA 5.0/10 6.0/10 7.0/10
Unemployment 5.6% ≈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 5168 covers Old Noarlunga, an inland suburb of Adelaide about 29 km from the city centre. It forms part of the Adelaide - South region of South Australia. Local government services are provided by Onkaparinga.

According to the 2021 Census, Old Noarlunga has a population of 1,531 with a median age of 41. The median weekly household income is $1,485, close to the SA average. The unemployment rate is 5.6%. The Indigenous population is 15 (1.0% of residents).

Housing in Old Noarlunga includes a median weekly rent of $305, median monthly mortgage repayment of $1,395, with 576 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 81.5% of housing.

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

Old Noarlunga is served by Old Noarlunga Primary School.

Old Noarlunga is part of the Onkaparinga statistical area in South Australia.

Old Noarlunga Details

Postcode5168
StateSouth Australia (SA)
Phone Area Code08
Population (2021)1,531
Median Age41 years
Median Household Income (Census 2021)$1,485/week
Median Personal Income (Census 2021)$704/week
Median Weekly Rent (Census 2021)$305
Median Monthly Mortgage (Census 2021)$1,395
Average Household Size2.5 persons
Area3.6 km²
Population Density420/km²
Total Dwellings576
Australian Citizens89.4%
Indigenous Population15 (1.0%)
Unemployment Rate5.6%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-35.180847
Longitude138.502658
Distance from Adelaide29 km
Region (SA4)Adelaide - South
Area (SA3)Onkaparinga
Local GovernmentOnkaparinga
Federal ElectorateKingston

Age Profile

0–14 (17.7%) 15–24 (12.0%) 25–44 (25.3%) 45–64 (26.8%) 65+ (17.9%)
Show counts
0–14 years271 (17.7%)
15–24 years184 (12.0%)
25–44 years387 (25.3%)
45–64 years411 (26.8%)
65+ years274 (17.9%)

Housing Tenure

Owned outright (32.3%) Mortgaged (49.2%) Rented (18.5%)

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)

Asthma170 (11.1%)
Arthritis161 (10.5%)
Diabetes84 (5.5%)
Heart Disease70 (4.6%)
Cancer59 (3.9%)
Lung Condition31 (2.0%)
Dementia4 (0.3%)

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

Motor Vehicles per Dwelling

No vehicle24 (4.2%)
1 vehicle175 (30.8%)
2 vehicles224 (39.4%)
3+ vehicles145 (25.5%)

Schools in Old Noarlunga

Old Noarlunga Primary School
Primary · Gov · ICSEA 999 · 155 students

Suburbs Near Old Noarlunga

Same Postcode (5168)

More Old Noarlunga 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.