Maslin Beach Postcode

South Australia

Metro
5170
Postcode for Maslin Beach, SA
Phone area code: 08 · 35 km from Adelaide · Pop. 1,213
1,213
Population
46
Median Age
$1,380
Household Income/wk
$335
Median Rent/wk
4/10
SEIFA Advantage
6.6
Area (km²)

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

How Maslin Beach Compares

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

MetricMaslin BeachSA avgAU avgGreater Adelaide
Household income/wk $1,380 -SA $1,545 $1,836 $1,620
Rent/wk $335 ≈SA $308 $390 $329
Mortgage/month $1,320 -SA $1,558 $1,958 $1,666
Median age 46 45.0 45.0 42.0
SEIFA decile 4/10 ≈SA 5.0/10 6.0/10 7.0/10
Unemployment 6.8% +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 5170 covers Maslin Beach, an inland suburb of Adelaide about 35 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, Maslin Beach has a population of 1,213 with a median age of 46. The median weekly household income is $1,380, below the SA average. The unemployment rate is 6.8%, higher than the SA average. The Indigenous population is 25 (2.1% of residents).

Housing in Maslin Beach includes a median weekly rent of $335, median monthly mortgage repayment of $1,320, with 493 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 77.5% of housing.

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

Maslin Beach is part of the Onkaparinga statistical area in South Australia.

Maslin Beach Details

Postcode5170
StateSouth Australia (SA)
Phone Area Code08
Population (2021)1,213
Median Age46 years
Median Household Income (Census 2021)$1,380/week
Median Personal Income (Census 2021)$697/week
Median Weekly Rent (Census 2021)$335
Median Monthly Mortgage (Census 2021)$1,320
Average Household Size2.4 persons
Area6.6 km²
Population Density185/km²
Total Dwellings493
Australian Citizens89.4%
Indigenous Population25 (2.1%)
Unemployment Rate6.8%
SEIFA IRSAD Decile4/10 (below average)
Latitude-35.2301549
Longitude138.4837239
Distance from Adelaide35 km
Region (SA4)Adelaide - South
Area (SA3)Onkaparinga
Local GovernmentOnkaparinga
Federal ElectorateKingston

Age Profile

0–14 (14.1%) 15–24 (12.8%) 25–44 (21.5%) 45–64 (33.8%) 65+ (18.0%)
Show counts
0–14 years171 (14.1%)
15–24 years155 (12.8%)
25–44 years261 (21.5%)
45–64 years410 (33.8%)
65+ years218 (18.0%)

Housing Tenure

Owned outright (39.5%) Mortgaged (38.0%) Rented (22.5%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis131 (10.8%)
Asthma106 (8.7%)
Heart Disease53 (4.4%)
Diabetes51 (4.2%)
Cancer45 (3.7%)
Lung Condition28 (2.3%)
Dementia7 (0.6%)

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

Motor Vehicles per Dwelling

No vehicle21 (4.2%)
1 vehicle169 (34.1%)
2 vehicles204 (41.1%)
3+ vehicles102 (20.6%)

Suburbs Near Maslin Beach

More Maslin Beach 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.