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
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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
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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
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
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
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
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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.