Aldinga Beach vs Port Willunga

Aldinga Beach is the younger of the two, with a median age of 39 against 44 in Port Willunga. In both, most households own their home and the large majority of homes are detached houses.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Aldinga Beach

ahead on 3 of the 6 things we measure here

  • has more childcare (11 vs 0)
  • has more parks and reserves (6 vs 1)
  • carries lower crime risk (49/100 vs 66/100)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Aldinga Beach

ahead on 2 of the 4 things we measure here

  • has cheaper units ($615,000 vs $875,000)
  • has cheaper land ($753,750 vs $949,600)

Weighs house prices, unit prices, land prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Port Willunga

ahead on 2 of the 4 things we measure here

  • is more walkable (41/100 vs 12/100)
  • sits closer to the CBD (45.4 km vs 47.9 km)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Aldinga Beach

ahead on 2 of the 5 things we measure here

  • has more GPs (4 vs 0)
  • carries lower crime risk (49/100 vs 66/100)
  • But Port Willunga is more walkable (41/100 vs 12/100)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Port Willunga

ahead on the one thing that separates them

  • is growing faster (9.0% vs 1.0%)

Weighs house yield and population growth.

Where they sit

Aldinga Beach and Port Willunga drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Aldinga Beach Port Willunga
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Aldinga Beach Port Willunga
Walkability 12 / 41
Aldinga Beach — Walkability: 12/100 Port Willunga — Walkability: 41/100
Safety 51 / 34
Aldinga Beach — Safety: 51/100 Port Willunga — Safety: 34/100
Low fire risk 70 / 100
Aldinga Beach — Low fire risk: 70/100 Port Willunga — Low fire risk: 100/100
Low flood risk 37 / 47
Aldinga Beach — Low flood risk: 37/100 Port Willunga — Low flood risk: 47/100

Demographics

Aldinga Beach has more residents (10,667 vs 1,785); Port Willunga skews older (44 vs 39).

Aldinga Beach Port Willunga
Population 10,667
+83% vs other
 1,785
Population trend (2016 → 2021) +1.0% +9.0%
Median age 39 44
Median household income $67,444/yr $68,276/yr
+1% vs other
Median weekly rent $320/wk $328/wk
+2% vs other

Age profile

Share of residents in each band, 2021 Census.

Aldinga Beach Port Willunga
0-4 5.7% / 4.9%
Aldinga Beach — 0-4: 5.7% Port Willunga — 0-4: 4.9%
5-14 15.1% / 13.6%
Aldinga Beach — 5-14: 15.1% Port Willunga — 5-14: 13.6%
15-19 6.4% / 4.8%
Aldinga Beach — 15-19: 6.4% Port Willunga — 15-19: 4.8%
20-24 5.3% / 6.7%
Aldinga Beach — 20-24: 5.3% Port Willunga — 20-24: 6.7%
25-34 11.2% / 9.9%
Aldinga Beach — 25-34: 11.2% Port Willunga — 25-34: 9.9%
35-44 13.6% / 11.8%
Aldinga Beach — 35-44: 13.6% Port Willunga — 35-44: 11.8%
45-54 12.5% / 14.5%
Aldinga Beach — 45-54: 12.5% Port Willunga — 45-54: 14.5%
55-64 11.9% / 14.3%
Aldinga Beach — 55-64: 11.9% Port Willunga — 55-64: 14.3%
65-74 10.4% / 13.0%
Aldinga Beach — 65-74: 10.4% Port Willunga — 65-74: 13.0%
75-84 5.9% / 5.4%
Aldinga Beach — 75-84: 5.9% Port Willunga — 75-84: 5.4%
85+ 2.0% / 1.6%
Aldinga Beach — 85+: 2.0% Port Willunga — 85+: 1.6%

Bars are drawn against the largest share shown (15.1%).

Who lives together

Household composition, 2021 Census.

Aldinga Beach 34.5% lone person
Aldinga Beach — Lone Person: 34.5% Aldinga Beach — Couple Families: 38.6% Aldinga Beach — One Parent Families: 22.2% Aldinga Beach — Group Household: 3.7% Aldinga Beach — Other Families: 1.0%
Port Willunga 39.2% lone person
Port Willunga — Lone Person: 39.2% Port Willunga — Couple Families: 32.6% Port Willunga — One Parent Families: 22.0% Port Willunga — Group Household: 4.6% Port Willunga — Other Families: 1.6%
Lone Person Couple Families One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Aldinga Beach 28.7% renting
Aldinga Beach — Owned Outright: 27.2% Aldinga Beach — Mortgage: 44.2% Aldinga Beach — Renting: 28.7%
Port Willunga 23.5% renting
Port Willunga — Owned Outright: 38.5% Port Willunga — Mortgage: 38.0% Port Willunga — Renting: 23.5%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Aldinga Beach Port Willunga
Certificate III & IV 19.5% / 18.4%
Aldinga Beach — Certificate III & IV: 19.5% Port Willunga — Certificate III & IV: 18.4%
Bachelor Degree 7.4% / 11.8%
Aldinga Beach — Bachelor Degree: 7.4% Port Willunga — Bachelor Degree: 11.8%
Advanced Diploma / Diploma 7.0% / 8.0%
Aldinga Beach — Advanced Diploma / Diploma: 7.0% Port Willunga — Advanced Diploma / Diploma: 8.0%
Postgraduate Degree 1.8% / 2.7%
Aldinga Beach — Postgraduate Degree: 1.8% Port Willunga — Postgraduate Degree: 2.7%
Graduate Diploma / Certificate 1.5% / 2.0%
Aldinga Beach — Graduate Diploma / Certificate: 1.5% Port Willunga — Graduate Diploma / Certificate: 2.0%

Bars are drawn against the largest share shown (19.5%).

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Aldinga Beach Port Willunga
England 10.7% / 8.7%
Aldinga Beach — England: 10.7% Port Willunga — England: 8.7%
Scotland 1.2% / 0.8%
Aldinga Beach — Scotland: 1.2% Port Willunga — Scotland: 0.8%
New Zealand 1.3% / 0.6%
Aldinga Beach — New Zealand: 1.3% Port Willunga — New Zealand: 0.6%
Germany 0.5% / 0.6%
Aldinga Beach — Germany: 0.5% Port Willunga — Germany: 0.6%
South Africa 0.7% / 0.3%
Aldinga Beach — South Africa: 0.7% Port Willunga — South Africa: 0.3%
Netherlands 0.6% / 0.4%
Aldinga Beach — Netherlands: 0.6% Port Willunga — Netherlands: 0.4%

Bars are drawn against the largest share shown (10.7%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Aldinga Beach 90.9% houses
Aldinga Beach — Houses: 90.9% Aldinga Beach — Townhouses: 7.7% Aldinga Beach — Flats / Apartments: 1.4%
Port Willunga 94.9% houses
Port Willunga — Houses: 94.9% Port Willunga — Townhouses: 3.8% Port Willunga — Flats / Apartments: 1.3%
Houses Townhouses Flats / Apartments

Property market

Aldinga Beach Port Willunga
Median house price $847,000 $850,000
Median unit price $615,000 $875,000
Median land price $753,750 $949,600
Typical days to sell (houses) 19 days
from 120 sales
 36 days
from 12 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Aldinga Beach Port Willunga
2 bed $790K / $970K
Aldinga Beach — 2 bed: $790K (16 sales) Port Willunga — 2 bed: $970K (6 sales)

16 vs 6 sales

3 bed $820K / $770K
Aldinga Beach — 3 bed: $820K (140 sales) Port Willunga — 3 bed: $770K (30 sales)

140 vs 30 sales

4 bed $931K / $880K
Aldinga Beach — 4 bed: $931K (89 sales) Port Willunga — 4 bed: $880K (13 sales)

89 vs 13 sales

Zoning mix

Aldinga Beach has more rural and farming land (30% vs 0%); Aldinga Beach has more land zoned for conservation (30% vs 12%).

Aldinga Beach Port Willunga
Residential 36% 51%
Parks and recreation 0% 37%
Rural and farming 30% 0%
Environmental 30% 12%
Industrial 2% 0%
Commercial 2% 0%
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. Zones as at 2026-09.

Development activity

Aldinga Beach Port Willunga
New dwellings approved 1,367
across Onkaparinga
same for both
Approvals change year on year +58%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Aldinga Beach Port Willunga
Houses 4.0%
$640/wk on $840K
 3.6%
$690/wk on $999K
Units 3.7%
$460/wk on $639K
 —

Ranking within SA

Aldinga Beach Port Willunga
House price Higher than 20% of SA Higher than 56% of SA
Income Higher than 36% of SA Higher than 38% of SA
Schools —
same for both
Walkability Higher than 66% of SA Higher than 78% of SA
Affordability Higher than 61% of SA Higher than 21% of SA
EV adoption Higher than 69% of SA
same for both
NBN connectivity Higher than 99% of SA
same for both
Rental yield (houses) Higher than 53% of SA Higher than 34% of SA
Rental yield (units) Higher than 7% of SA —

Liveability

Port Willunga is more walkable (41 vs 12); Port Willunga scores higher overall (38 vs 28).

Aldinga Beach Port Willunga
Grade D C
Score 28/100 38/100
Socio-economic band below-average income
decile 2/10
 below-average income
decile 3/10

Risk profile

Aldinga Beach carries more bushfire risk (30 vs 0); Port Willunga carries more crime risk (66 vs 49).

Aldinga Beach Port Willunga
Bushfire Low
30/100
 None
0/100
Crime Moderate
49/100
 Moderate
66/100
Flood Moderate
63/100
 Moderate
53/100
Coastal erosion High
77/100
 Low
26/100
Aircraft noise None
0/100
same for both
Industrial facilities nearby 1
within 5 km
 2
within 5 km

Schools

Aldinga Beach Port Willunga
Inside the suburb 2 1
Rated above peers 0
same for both
Rated at peers 1 0
Rated below peers 0 1

Schools in Aldinga Beach

  • Aldinga Beach Primary School Government · Primary at peers
  • Southern Vales Christian College - Aldinga Campus Independent · Combined

Schools in Port Willunga

  • Aldinga Payinthi College Government · Combined below peers

Amenities in the suburb

Aldinga Beach Port Willunga
Supermarkets 2 0
Cafes & restaurants 1
same for both
Parks & reserves 6 1
Childcare 11 0
GPs 4 0
Pharmacies 2 0
Police stations 1 0
Banks & Bank@Post 2 0

Mobility

Aldinga Beach sits further from the CBD (47.9 km vs 45.4 km).

Aldinga Beach Port Willunga
Walkability score 12/100 41/100
Distance to Adelaide 47.9 km
+5% vs other
 45.4 km
Drive time (normal traffic) 47 min 45 min
Public transport score 79/100
Bus
same for both
Peak arrivals per hour 126.5
7-9am + 5-7pm
 33.0
7-9am + 5-7pm
Median peak wait 0 min
scheduled, not actual
 1 min
scheduled, not actual
Electric vehicle share 0.8%
postcode 5173
same for both
Rooftop solar per 100 dwellings 67
postcode 5173
same for both

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Aldinga Beach Port Willunga
Car (driver) 78.7% / 79.8%
Aldinga Beach — Car (driver): 78.7% Port Willunga — Car (driver): 79.8%
Worked from Home 11.1% / 11.8%
Aldinga Beach — Worked from Home: 11.1% Port Willunga — Worked from Home: 11.8%
Car (passenger) 4.5% / 2.5%
Aldinga Beach — Car (passenger): 4.5% Port Willunga — Car (passenger): 2.5%
Train 2.3% / 2.8%
Aldinga Beach — Train: 2.3% Port Willunga — Train: 2.8%
Walked Only 1.8% / 2.5%
Aldinga Beach — Walked Only: 1.8% Port Willunga — Walked Only: 2.5%

Bars are drawn against the largest share shown (79.8%).

Setting

Aldinga Beach Port Willunga
Elevation 17 m
above sea level, at the suburb centre
 16 m
above sea level, at the suburb centre
Distance to the ocean 1.2 km 254 m

NBN connectivity

Aldinga Beach Port Willunga
Connectivity score 98/100 99/100
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 95%
5,588 premises
 99%
1,092 premises

Climate

Aldinga Beach Port Willunga
Annual rainfall 786 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

Aldinga Beach Port Willunga
PM2.5 —
same for both
PM10 19.5 µg/m³
same for both
NO₂ 0.34 pphm
same for both

Council rates

Aldinga Beach Port Willunga
Average residential rate $2,008/yr
same for both
Council Onkaparinga
same for both

Federal electorate

Aldinga Beach Port Willunga
Division Mayo
same for both
Member Rebekha Sharkie
same for both
Party Centre Alliance
same for both

First Home Owner Grant

Aldinga Beach Port Willunga
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Aldinga Beach

Coastal Large Blocks Outer

Port Willunga

Coastal Large Blocks Outer Quiet

More comparisons

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Aldinga Beach vs Sellicks Beach Aldinga Beach vs Aldinga Aldinga Beach vs Sellicks Hill

Other comparisons with Port Willunga

Port Willunga vs Maslin Beach Port Willunga vs Aldinga
Full data on Aldinga Beach Full data on Port Willunga
Unlock full address-level data — $29/month

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.

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