Aldinga, SA 5173 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Aldinga is a suburb of South Australia, postcode 5173, home to 764 residents with a settled, mature community. Located in the Onkaparinga local government area and roughly 42 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 764
- Median age
- 49 years
- Median household income
- $1,102 /week
- Median personal income
- $627 /week
- Median family income
- $1,892 /week
- Average household size
- 2.1
- Persons per bedroom
- 0.9
- Local government area
- Onkaparinga
- Statistical region (SA4)
- Adelaide - South
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Mayo
Property & cost of living
- Median rent
- $255 /week
- Median monthly mortgage
- $1,517
- Rent share of household income
- 23%
Schools
- Southern Vales Christian College:Aldinga Campus
- Galilee Catholic School
- Galilee Catholic School
- Aldinga Beach B-7 School
Transport
- Within 1.6 km: 8 bus stops
- Stop 114 Emerald Blvd - East side
- Stop 115 Emerald Blvd - South side
- Stop 114 Emerald Blvd - West side
- Stop 115 Emerald Blvd - North side
- Stop 113 Aldinga Beach Rd - South side
Lifestyle & amenities
- 6 parks and reserves
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (15.0°C avg max)
- Annual rainfall: 437 mm
- Reference station: Adelaide Airport, 38.1 km away
NBN & connectivity
Fibre to the Premises serves 78.5% of the 395 resolvable premises in Aldinga. Most premises here have a fibre cable running directly into the property — the fastest and most reliable NBN option, with plans available up to NBN 1000.
- Fibre to the Premises: 78.5%
- Fixed Wireless: 21.5%
Safety
- Recorded offences: 514 across postcode 5173 in the year to FY2024–25 (down 15% on the prior year).
- Most common categories: 181 theft, 144 violent offences, 87 property damage.
Frequently asked questions
What is the population of Aldinga?
Aldinga (SA 5173) had 764 residents at the most recent ABS Census. The median age is 49. It sits within the Onkaparinga local government area.
What is the median rent in Aldinga?
The median advertised rent in Aldinga is $255/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Aldinga?
Yes — 4 schools are listed within or near Aldinga covering independent, government sectors. Nearest include: Southern Vales Christian College:Aldinga Campus (1.3 km), Galilee Catholic School (2.5 km), Galilee Catholic School (2.5 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Aldinga?
Aldinga is predominantly served by Fibre to the Premises (78.5% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Aldinga?
Across postcode 5173, 514 offences were recorded in the 12 months to FY2024–25. The most common offence categories were theft (181), violent (144), property damage (87). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Aldinga?
In Aldinga, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (38.1 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Aldinga?
8 public transport stops are mapped within 1.6 km of the Aldinga centroid. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: