Aldinga is a suburb in South Australia, 44 km from Adelaide CBD, around 42 minutes by car. Population is 764; the median age is 49 and the median household income is $57,304 per year. On socioeconomic measures it sits in the middle range nationally. Population grew 33.3% from 2016 to 2021. The 2021 Census recorded a median rent of $255 per week and a median monthly mortgage of $1,517. The area shows high crime risk and no recorded bushfire exposure. 1 school sits within the suburb boundary, and walkability is moderate.
Is Aldinga a good suburb?
Aldinga scores a C (48/100) on SuburbScan's Liveability grade — strong on transit, weaker on safety.
Mixed results
1 school
Very walkable
Walkability 60/100 · 43.6 km · 42 min drive to Adelaide
Around the state median
Median $954K
High crime risk
Fire 0/100 · Crime 88/100 · Flood 31/100
Mid-range socio-economic
SEIFA decile 5/10 · median age 49 · 764 residents
Liveability Rating
48 / 100 · Ranked #282 in SAEach bar is Aldinga's rank among SA suburbs, from 0 to 100 (higher is better). Scored on 4 of 5 factors: no school data, so the other factors carry its weight.
How do you rate the liveability in Aldinga?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
48 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataAldinga's house market is moving higher: the median sale price reached $954,000, roughly 14% above where it sat a year earlier.
Houses
$954,500
13% above its 3 neighbours (median $847,000)
Based on 12 recorded sales in the last 24 months.
By bedrooms
- 3 bed 7 sales $950K
Land
$780,000
Based on only 9 sales — small sample, take as indicative.
Rental Market
Rental affordability
June quarter 2025100 Moderately unaffordable · the average rental household in this region would pay about 30% of its income on the median rent in postcode 5173.
SGS Rental Affordability Index: a score of 100 means rent takes 30% of income, the usual housing-stress line; lower scores are less affordable. "Region" is the capital city or the rest of the state.
Is Aldinga safe? Crime statistics
2026Crime in Aldinga sits in the high band, with 83 incidents recorded in 2026 — down about 7% on the prior year.
83 offences
6.7% since 2025Crime Trend
Serious Road Crashes
2021–20258 crashes
where someone was killed or admitted to hospital, 2 of them fatal
Crashes are counted where they happened, so a main road through the suburb carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Schools
One school serves Aldinga, but none have published comparable ratings yet.
Combined
Walkability
Aldinga is somewhat walkable on foot — at 60/100, a short cluster of errands work on foot but most trips still benefit from a car. Within the suburb there are 1 supermarket, 1 park and 3 cafes to anchor that walking radius.
Public transport
Weekday and weekend service frequency across every stop inside Aldinga.
- Peak (7-9am + 5-7pm)
- 38.0 arrivals/hr
- Off-peak weekday
- 27.6 arrivals/hr
- Saturday
- 13.8 arrivals/hr
- Median peak wait
- 1 min
- Span of service
- 18.5 hours
Scheduled service only, based on the 21 October 2026 timetable. Reliability (delays, cancellations) not measured.
NBN connectivity
The internet access technology available across NBN premises in Aldinga.
- Full-fibre (FTTP) share
- 80%
- Premises covered
- 362
NBN Co fixed-line and fixed-wireless premises, as at 30 December 2025. Higher-quality technologies (full fibre) score above copper, wireless, and satellite. Actual speeds depend on your plan.
Amenities
Onkaparinga: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this suburb alone — this suburb's own population is in the census section above.
Socio-economic profile
Aldinga is home to 764 residents, with a median age of 49, a touch above the national 38. Median household income runs at $57,000 a year, with unemployment at 2.7%.
2021 Census · change since 2016
Population
764
Median Age
49
Median Household Income
$57,304/yr
Census Median Rent
$255/wk
Census Median Mortgage
$1,517/mo
Avg Household Size
2.1
Median Personal Income
$32,604/yr
Unemployment Rate
2.7%
Unoccupied Dwellings
11.2%
Total Dwellings
313
Owner-Occupier Rate
84.5%
Houses
65.2%
Rental Stress
23.1%
Mortgage Stress
31.8%
Work From Home
14.5%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 66.5%
- English Spoken at Home
- 85.9%
- Employment Rate
- 50%
- Completed Year 12
- 42.3%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
When They Arrived
Share of all residents by the year they arrived in Australia. Periods cover different numbers of years, so compare the shape rather than the bar widths.
0 residents (0.0%) arrived since 2016. Australia’s borders were closed to most arrivals from March 2020, so the last two years of that period are much smaller than the ones before them — nationally 260,799 people arrived in 2019 against 28,521 in 2021.
Languages Spoken at Home
Top languages other than English, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
9% of employed residents work in a capital's city centre (27 of 313).
City centre: the ABS area around each capital's CBD, such as Sydney Inner City or Perth City (which takes in Subiaco and Leederville). 2021 Census place of work.
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $2,008 a year through Onkaparinga based on 2024 figures.
How this land is zoned
- Rural and farming 82%
- Residential 10%
- Parks and recreation 5%
- Commercial 2%
- Zones under 1% 1%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it — the property page shows the zone for one address.
Building Approvals: Onkaparinga
In the year to August 2026, 1,367 new dwellings were approved across Onkaparinga. That mix is 813 houses and 554 units. Approvals are up 58.4% on the same period a year earlier.
Air Quality
This station does not measure fine particles (PM2.5).
PM10 averaged 19.5 µg/m³ · NO₂ averaged 0.34 pphm. Days over the limit in 2025: PM10 3 · NO₂ 0 · ozone 0.
From the Christie Downs monitoring station, 15.1 km away.
Climate & Setting
from Myponga, 13.5 kmModerate rainfall.
- Elevation
- 32 m
- above sea level, at the suburb centre
- Distance to the ocean
- 2.4 km
- Annual rainfall
- 786 mm
- 112 rainy days
- Summer max (Jan)
- —
- Winter min (Jul)
- —
Elevation is the ground at the suburb centre, from Geoscience Australia's National Digital Elevation Model. Approximate — it reads high in dense built-up areas. It is a measure of height above sea level and not an indicator of flood risk, which depends on height above nearby waterways.
Industrial Emissions Nearby
2 facilities within 5 km- 2.0 km
- 4.8 km
EV adoption
In postcode 5173, 83 of 10,384 registered light vehicles are battery-electric on 31 January 2025. A further 2.1% (215 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 2.9%.
Rooftop solar
In postcode 5173, 4,149 rooftop-solar systems totalling 23.3 MW have been installed since 2001, against 6,179 dwellings recorded in the 2021 Census. 241 went up in the last year.
Counts every system certified since 2001, so a roof re-fitted with a newer system is counted twice, and small commercial systems are included alongside houses — useful for comparing postcodes, not an estimate of how many homes have working panels today.
2026 covers part of the year only, to 2026-07.
First Home Owner Grant
FY2026-27$15,000 for new homes.
No purchase-price cap. Stamp duty is fully exempted for eligible first-home buyers as a separate concession.
Mortgage repayments
8 mortgage brokers are registered in this suburb, 10 across postcode 5173.
Conveyance duty at the owner-occupier rate, and it excludes first home buyer concessions — those can cut it substantially or remove it entirely. Excludes legal, inspection and lender fees. Check with RevenueSA
A deposit under 20% usually attracts Lenders Mortgage Insurance, which this doesn't include.
Principal and interest over 30 years, fixed rate. Excludes fees, offset, redraw and LMI. Default rate is the median comparison rate across 1788 advertised products as at 2026-10-27 — indicative only, and not an offer. Your rate depends on the lender, your deposit and your circumstances. Not financial advice.
Federal Electorate
Currently held by Rebekha Sharkie Centre Alliance
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Rebekha Sharkie | 55.0% | 45.0% | +3.4 |
| 2022 | Rebekha Sharkie | 51.6% | 48.4% | -4.1 |
| 2019 | Rebekha Sharkie | 47.5% | 52.5% | -0.7 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact suburb's voters across time.
State Electorate
Currently held by Jenni Mitton Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Jenni Mitton ALP | 56.6% |
| 2022 | Leon Bignell ALP | 63.8% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this suburb's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Aldinga?
Every figure above is a suburb average, and an average smooths over the difference between a street of family homes and a block of flats. Look up one address and you get the census for the few hundred people around it, its own nearest schools and stops, and what the state has mapped for that block.
- The census for a few hundred neighbours, not all 764 residents
- Nearest and zoned schools, with the walk from that door
- Flood, bushfire and noise mapping, where the state publishes it
Free to look up. Subscribers see every section in full — $29/month.
Nearby suburbs
Aldinga Beach SA 5173
Port Willunga SA 5173
Maslin Beach SA 5170
Whites Valley SA 5172
Sellicks Hill SA 5174
Tatachilla SA 5171
Compare Aldinga to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
Or jump straight to a nearby comparison:
Common questions about Aldinga
Is Aldinga a safe place to live?
Recorded crime in Aldinga is high (88/100, ranked against other SA suburbs on offences per resident). Offences against shops, venues and visitors are divided by the people who live here, so suburbs with large daytime or visitor populations rank higher than living there may feel.
What natural hazards affect Aldinga?
Aldinga has no recorded bushfire history. Flood overlays cover a low share of it (31/100). These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is Aldinga a good place to live?
Aldinga has a SuburbScan Liveability grade of C (48/100), ranked against other SA suburbs on school quality (25%), safety (25%), SEIFA socio-economic advantage (25%), walkability (15%) and CBD access (10%). Whether it suits you depends on what you weigh — each of those is on this page.
What is the population of Aldinga?
Aldinga, SA had a population of 764 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Aldinga, SA?
The postcode for Aldinga, SA is 5173.
How far is Aldinga from Adelaide?
Aldinga is 44 km from Adelaide CBD by road, about 42 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Aldinga?
At the 2021 ABS Census, median household income in Aldinga was $57,304 a year. It is the most recent suburb-level income figure until 2026 Census results are released in 2027.
What is the median weekly rent in Aldinga?
There are too few current rental listings in Aldinga for a reliable median. At the 2021 ABS Census the median weekly rent was $255, across all dwelling types.
What is the median age in Aldinga?
The median age of residents in Aldinga was 49 at the 2021 ABS Census.
How are the schools in Aldinga?
There is 1 school inside the Aldinga boundary, none of which has enough NAPLAN and ICSEA data for a quality band.
Is Aldinga walkable?
Aldinga scores 60/100 on the SuburbScan Walkability Score, making it somewhat walkable. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the weather like in Aldinga?
At the nearest Bureau of Meteorology station to Aldinga, Myponga (13.5 km away), 786 mm of rain a year over 112 rainy days over 2006-2026.
Is the First Home Owner Grant available in Aldinga?
First-home buyers in SA may be eligible for $15,000 towards new homes. The grant is administered by RevenueSA; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does Aldinga belong to?
Aldinga sits within the Onkaparinga local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Aldinga?
The average residential rates bill through Onkaparinga is $2,008 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Aldinga?
Across Onkaparinga, 1,367 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's up 58.4% on the same period a year earlier. These are LGA-level totals — every suburb in the council shares the same figure.
Which federal electorate is Aldinga in?
Aldinga sits within the federal Division of Mayo, currently held by Rebekha Sharkie (Centre Alliance).
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Data freshness
- Census · 2021
- Median sale prices · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- Public transport · Oct 2026
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Air quality · 2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- State electorate · 2026
- Amenities · Sep 2026
- Health & emergency facilities · Sep 2026
- Industrial emissions (NPI) · 2024/2025
- Coastal erosion · 1988–2025
- Aircraft noise · 2024
Vintages show when each source's data is from. See all data sources.
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.