Aldinga, SA 5173

City of OnkaparingaAll suburbs in postcode 5173

Updated

Median house price

Too few sales for a median

Only 2 house sales were recorded in the latest published quarter (updated October 2026), too few for a reliable median. We publish one from 5 sales or more. How we source data.

Sales data as of October 2026

Selling in Aldinga?

Get the free selling guide, personalised to Aldinga, or ask for a free appraisal from a local agent.

Rent in Aldinga

Weekly rent (house)
$550/wk
Weekly rent (unit)
$255/wk

Rental data as of June 2026· SA rental bond data

Free appraisal in Aldinga

What’s your home worth in Aldinga?

Ask us to introduce one participating agent who sells in your area for an appraisal backed by recent comparable sales. Only with your permission, and no commitment to list.

What to know about Aldinga

Aldinga (5173) sits in the Onkaparinga region of South Australia.

Aldinga has roughly 764 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.

What it’s like to live here

Aldinga scores 18/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.

Summer days here average around 27°C (warm), winter mornings around 8°C (cool). Annual rainfall lands at about 516 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).

Schooling within or near the suburb covers 6 government primary, 2 government secondary, 1 Catholic, 2 independent.

Schools in Aldinga

Schools serving Aldinga: government first, then Catholic and independent.

Government schools

Aldinga Payinthi College

U, R-12Co-edGovernment
Catchment

Aldinga Beach Primary School

R-6Co-edGovernment
Catchment

Willunga Primary School

R-6Co-edGovernment
Catchment

© ACARA, licensed under CC BY 4.0.

Location

Walkability

Walk
18/100
Transit
0/100
Bike
100/100

Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).

Walkability data as of May 2026· OpenStreetMap

Demographics

The 2021 Census put Aldinga's population at 764, with a median age of 49. That sits as an established, older skew. Households are predominantly owner-occupied (83% own, 15% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (40%), often a marker of unit-heavy stock and walkable infrastructure.

Population
764
Median age
49
Family households
58%
Lone person
40%
Owner occupied
83%
Renter occupied
15%

Demographics data as of May 2026· ABS 2021 Census

Crime and safety

88 offences recorded in 2025-26

Top offence categories
OFFENCES AGAINST PROPERTY71 (80.7%)
OFFENCES AGAINST THE PERSON17 (19.3%)

Source: State Police Open Data

Crime data as of June 2026

Weather year-round

Annual rainfall
516 mm
Hottest month, avg max
27.1°C
Coldest month, avg min
7.9°C
Rainfall by month
J
F
M
A
M
J
J
A
S
O
N
D

Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.

Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations

Questions about Aldinga

What is the Aldinga postcode?
Aldinga is in the 5173 postcode, in SA, in the City of Onkaparinga region.
Where is Aldinga?
Aldinga is a suburb in the City of Onkaparinga area, SA 5173.
What is the average rent in Aldinga?
The median weekly rent for houses is $550, for units it's $255.
What schools are in Aldinga?
There are 12 schools serving Aldinga on this page, including Aldinga Payinthi College, Aldinga Beach Primary School, Willunga Waldorf School.
How walkable is Aldinga?
Aldinga has a Walk Score of 18 out of 100, highly car-dependent. transit score 0, bike score 100.
What suburbs are near Aldinga?
Aldinga is close to Port Willunga, Aldinga Beach, Whites Valley, Maslin Beach, Tatachilla.
What is the population of Aldinga?
The population of Aldinga is approximately 764 (2021 Census). The median age is 49.

Selling in Aldinga? Get the free selling guide

What selling costs, how agents price homes, what to ask them and a 12-week plan to settlement, personalised to Aldinga. A free PDF, in about a minute.

Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data

How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.