Port Noarlunga South vs Seaford

Port Noarlunga South is the younger of the two, with a median age of 39 against 43 in Seaford. In both, most households own their home and the large majority of homes are detached houses. On these figures, Seaford tends to suit people living alone.

Port Noarlunga South and Seaford are neighbouring coastal suburbs with similar distances to Adelaide's CBD. Port Noarlunga South has a notably higher median household income at $79,560 compared to Seaford's $65,208, and significantly lower crime risk at 57 versus 86. Seaford, however, scores much higher on walkability (79 versus 38) and liveability (39 versus 27), making it better suited to those prioritising urban amenity and foot traffic. Seaford also has zero bushfire risk, while Port Noarlunga South rates 37, and offers a slightly better rental yield at 4.3 percent.

Written by an AI language model from the figures below. Every number in it is checked against those figures before it is published.

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

They split

one each way, out of the 6 things we measure here

  • Port Noarlunga South has more parks and reserves (5 vs 1)
  • Seaford has more schools inside the suburb (3 vs 0)

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

First-home buyers

Port Noarlunga South

ahead on the one thing that separates them

  • has cheaper land ($650,000 vs $1,357,970)

Weighs house 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

Seaford

ahead on the one thing that separates them

  • is more walkable (79/100 vs 38/100)

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

Downsizers and retirees

Seaford

ahead on 2 of the 5 things we measure here

  • is more walkable (79/100 vs 38/100)
  • has more residents already 65 and over (26% vs 19%)
  • But Port Noarlunga South carries lower crime risk (57/100 vs 86/100)

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

Investors

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs house yield.

Where they sit

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

Port Noarlunga South Seaford
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.

Port Noarlunga South Seaford
Walkability 38 / 79
Port Noarlunga South — Walkability: 38/100 Seaford — Walkability: 79/100
Safety 43 / 14
Port Noarlunga South — Safety: 43/100 Seaford — Safety: 14/100
Low fire risk 63 / 100
Port Noarlunga South — Low fire risk: 63/100 Seaford — Low fire risk: 100/100

Demographics

Seaford has more residents (4,493 vs 3,058); Port Noarlunga South has higher household incomes ($79,560 vs $65,208).

Port Noarlunga South Seaford
Population 3,058 4,493
+47% vs other
Population trend (2016 → 2021) — +1.1%
Median age 39 43
Median household income $79,560/yr
+18% vs other
 $65,208/yr
Median weekly rent $350/wk
+6% vs other
 $330/wk

Age profile

Share of residents in each band, 2021 Census.

Port Noarlunga South Seaford
0-4 6.4% / 4.8%
Port Noarlunga South — 0-4: 6.4% Seaford — 0-4: 4.8%
5-14 12.5% / 12.2%
Port Noarlunga South — 5-14: 12.5% Seaford — 5-14: 12.2%
15-19 4.9% / 5.2%
Port Noarlunga South — 15-19: 4.9% Seaford — 15-19: 5.2%
20-24 5.3% / 5.2%
Port Noarlunga South — 20-24: 5.3% Seaford — 20-24: 5.2%
25-34 13.7% / 11.1%
Port Noarlunga South — 25-34: 13.7% Seaford — 25-34: 11.1%
35-44 13.4% / 12.6%
Port Noarlunga South — 35-44: 13.4% Seaford — 35-44: 12.6%
45-54 13.4% / 11.5%
Port Noarlunga South — 45-54: 13.4% Seaford — 45-54: 11.5%
55-64 11.5% / 11.6%
Port Noarlunga South — 55-64: 11.5% Seaford — 55-64: 11.6%
65-74 11.9% / 12.2%
Port Noarlunga South — 65-74: 11.9% Seaford — 65-74: 12.2%
75-84 5.5% / 8.9%
Port Noarlunga South — 75-84: 5.5% Seaford — 75-84: 8.9%
85+ 1.4% / 4.8%
Port Noarlunga South — 85+: 1.4% Seaford — 85+: 4.8%

Bars are drawn against the largest share shown (13.7%).

Who lives together

Household composition, 2021 Census.

Port Noarlunga South 42.5% couple families
Port Noarlunga South — Couple Families: 42.5% Port Noarlunga South — Lone Person: 32.9% Port Noarlunga South — One Parent Families: 18.0% Port Noarlunga South — Group Household: 4.3% Port Noarlunga South — Other Families: 2.3%
Seaford 34.7% couple families
Seaford — Couple Families: 34.7% Seaford — Lone Person: 41.8% Seaford — One Parent Families: 18.6% Seaford — Group Household: 3.7% Seaford — Other Families: 1.2%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Port Noarlunga South 22.6% renting
Port Noarlunga South — Owned Outright: 34.2% Port Noarlunga South — Mortgage: 43.1% Port Noarlunga South — Renting: 22.6%
Seaford 28.4% renting
Seaford — Owned Outright: 33.7% Seaford — Mortgage: 38.0% Seaford — Renting: 28.4%
Owned outright Mortgage Renting

Qualifications

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

Port Noarlunga South Seaford
Certificate III & IV 21.4% / 19.1%
Port Noarlunga South — Certificate III & IV: 21.4% Seaford — Certificate III & IV: 19.1%
Bachelor Degree 9.7% / 7.6%
Port Noarlunga South — Bachelor Degree: 9.7% Seaford — Bachelor Degree: 7.6%
Advanced Diploma / Diploma 7.8% / 7.4%
Port Noarlunga South — Advanced Diploma / Diploma: 7.8% Seaford — Advanced Diploma / Diploma: 7.4%
Postgraduate Degree 2.5% / 1.7%
Port Noarlunga South — Postgraduate Degree: 2.5% Seaford — Postgraduate Degree: 1.7%
Graduate Diploma / Certificate 1.8% / 1.5%
Port Noarlunga South — Graduate Diploma / Certificate: 1.8% Seaford — Graduate Diploma / Certificate: 1.5%

Bars are drawn against the largest share shown (21.4%).

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.

Port Noarlunga South Seaford
England 10.9% / 13.8%
Port Noarlunga South — England: 10.9% Seaford — England: 13.8%
New Zealand 0.7% / 1.6%
Port Noarlunga South — New Zealand: 0.7% Seaford — New Zealand: 1.6%
Scotland 1.0% / 1.1%
Port Noarlunga South — Scotland: 1.0% Seaford — Scotland: 1.1%
Germany 0.9% / 0.7%
Port Noarlunga South — Germany: 0.9% Seaford — Germany: 0.7%
South Africa 0.6% / 0.8%
Port Noarlunga South — South Africa: 0.6% Seaford — South Africa: 0.8%
Netherlands 0.8% / 0.5%
Port Noarlunga South — Netherlands: 0.8% Seaford — Netherlands: 0.5%

Bars are drawn against the largest share shown (13.8%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Port Noarlunga South 92.1% houses
Port Noarlunga South — Houses: 92.1% Port Noarlunga South — Townhouses: 1.5% Port Noarlunga South — Flats / Apartments: 6.3%
Seaford 85.3% houses
Seaford — Houses: 85.3% Seaford — Townhouses: 10.1% Seaford — Flats / Apartments: 4.7%
Houses Townhouses Flats / Apartments

Property market

Port Noarlunga South Seaford
Median house price $905,000 $880,000
Median unit price $697,000 —
Median land price $650,000 $1,357,970
Typical days to sell (houses) 21 days
from 36 sales
 21 days
from 41 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.

Port Noarlunga South Seaford
3 bed $850K / $843K
Port Noarlunga South — 3 bed: $850K (78 sales) Seaford — 3 bed: $843K (67 sales)

78 vs 67 sales

4 bed $1.05M / $951K
Port Noarlunga South — 4 bed: $1.05M (38 sales) Seaford — 4 bed: $951K (17 sales)

38 vs 17 sales

Zoning mix

Port Noarlunga South has more land zoned for conservation (59% vs 6%); Seaford has more commercially zoned land (17% vs 0%).

Port Noarlunga South Seaford
Residential 38% 65%
Environmental 59% 6%
Commercial 0% 17%
Industrial 0% 13%
Parks and recreation 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

Port Noarlunga South Seaford
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.

Port Noarlunga South Seaford
Houses 3.9%
$690/wk on $912K
 4.2%
$682/wk on $844K
Units —
same for both

Ranking within SA

Port Noarlunga South Seaford
House price Higher than 34% of SA Higher than 25% of SA
Income Higher than 54% of SA Higher than 33% of SA
Schools — Higher than 8% of SA
Walkability Higher than 77% of SA Higher than 91% of SA
Affordability Higher than 67% of SA Higher than 51% of SA
EV adoption Higher than 78% of SA Higher than 74% of SA
NBN connectivity Higher than 100% of SA Higher than 98% of SA
Rental yield (houses) Higher than 51% of SA Higher than 72% of SA

Liveability

Seaford is more walkable (79 vs 38); Seaford scores higher overall (39 vs 27).

Port Noarlunga South Seaford
Grade D C
Score 27/100 39/100
Socio-economic band mid-range socio-economic
decile 5/10
 below-average income
decile 3/10

Risk profile

Port Noarlunga South carries more bushfire risk (37 vs 0); Seaford carries more crime risk (86 vs 57).

Port Noarlunga South Seaford
Bushfire Low
37/100
 None
0/100
Crime Moderate
57/100
 High
86/100
Flood High
90/100
 —
Coastal erosion Low
37/100
 Low
31/100
Aircraft noise None
0/100
same for both
Industrial facilities nearby 4
within 5 km
 6
within 5 km

Schools

Port Noarlunga South Seaford
Inside the suburb 0 3
Rated above peers 0
same for both
Rated at peers 0 2
Rated below peers 0 1

Schools in Port Noarlunga South

  • South Port Primary School Government · Primary below peers

Schools in Seaford

  • Moana Primary School Government · Primary at peers
  • Seaford Secondary College Government · Secondary at peers
  • All Saints Catholic Primary School Catholic · Primary below peers

Amenities in the suburb

Port Noarlunga South Seaford
Supermarkets 0 3
Cafes & restaurants 1 6
Parks & reserves 5 1
Childcare 2 8
GPs 0 1
Pharmacies 0 2
Banks & Bank@Post 0 3
Fuel stations 0 3

Mobility

Port Noarlunga South Seaford
Walkability score 38/100 79/100
Distance to Adelaide 36.5 km 36.2 km
Drive time (normal traffic) 38 min 37 min
Public transport score 79/100
Rail · Bus
 91/100
Rail · Bus
Peak arrivals per hour 63.5
7-9am + 5-7pm
 119.0
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
 0 min
scheduled, not actual
Electric vehicle share 1.0%
postcode 5167
 0.9%
postcode 5169
Rooftop solar per 100 dwellings 70
postcode 5167
 73
postcode 5169

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.

Port Noarlunga South Seaford
Car (driver) 78.9% / 76.9%
Port Noarlunga South — Car (driver): 78.9% Seaford — Car (driver): 76.9%
Worked from Home 10.9% / 9.3%
Port Noarlunga South — Worked from Home: 10.9% Seaford — Worked from Home: 9.3%
Car (passenger) 4.0% / 5.6%
Port Noarlunga South — Car (passenger): 4.0% Seaford — Car (passenger): 5.6%
Train 3.8% / 5.2%
Port Noarlunga South — Train: 3.8% Seaford — Train: 5.2%
Walked Only 1.5% / 1.4%
Port Noarlunga South — Walked Only: 1.5% Seaford — Walked Only: 1.4%

Bars are drawn against the largest share shown (78.9%).

Setting

Port Noarlunga South Seaford
Elevation 22 m
above sea level, at the suburb centre
 26 m
above sea level, at the suburb centre
Distance to the ocean 397 m 885 m
3.3 km to a named beach

NBN connectivity

Port Noarlunga South Seaford
Connectivity score 100/100 97/100
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 100%
1,377 premises
 92%
2,374 premises

Climate

Port Noarlunga South Seaford
Annual rainfall 394 mm 786 mm
Summer max (Jan) 28.1°C —
Winter min (Jul) 7.8°C —

Air quality (annual mean)

Port Noarlunga South Seaford
PM2.5 —
same for both
PM10 19.5 µg/m³
same for both
NO₂ 0.34 pphm
same for both

Council rates

Port Noarlunga South Seaford
Average residential rate $2,008/yr
same for both
Council Onkaparinga
same for both

Federal electorate

Port Noarlunga South Seaford
Division Kingston
same for both
Member Amanda Rishworth
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Port Noarlunga South Seaford
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Port Noarlunga South

Coastal Easy Commute Large Blocks Outer Trains Transport Hub

Seaford

Coastal Easy Commute Large Blocks Outer Retirees Transport Hub

More comparisons

Other comparisons with Port Noarlunga South

Port Noarlunga South vs Seaford Meadows Port Noarlunga South vs Noarlunga Downs Port Noarlunga South vs Port Noarlunga

Other comparisons with Seaford

Seaford vs Seaford Rise Seaford vs Seaford Meadows Seaford vs Moana Seaford vs Old Noarlunga Seaford vs Seaford Heights
Full data on Port Noarlunga South Full data on Seaford
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.

Save this page for later

We'll email you a link to this page so you can finish reading it on any device. We use your address once to send it and don't keep it.

or