Old Noarlunga vs Seaford Heights

Seaford Heights is the younger of the two, with a median age of 29 against 41 in Old Noarlunga. In both, the large majority of households own their home and the large majority of homes are detached houses. In Seaford Heights, most households are couple families. On these figures, Old Noarlunga tends to suit people living alone, while Seaford Heights suits young adults, families with children, and couples.

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

Seaford Heights

ahead on 2 of the 6 things we measure here

  • carries lower crime risk (54/100 vs 87/100)
  • is already more of a family suburb (70% vs 62%)

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

First-home buyers

Too close to call

Nothing among the 2 things we measure here separates them by enough to be worth acting on.

Weighs house prices and mortgage stress.

Renters

Old Noarlunga

ahead on the one thing that separates them

  • has cheaper rent ($305/wk vs $380/wk)

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

Commuting to the city

Old Noarlunga

ahead on the one thing that separates them

  • sits closer to the CBD (33.5 km vs 35.6 km)

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

Downsizers and retirees

They split

one each way, out of the 5 things we measure here

  • Old Noarlunga has more residents already 65 and over (18% vs 5%)
  • Seaford Heights carries lower crime risk (54/100 vs 87/100)

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

Investors

Seaford Heights

ahead on the one thing that separates them

  • is growing faster (1935.8% vs 5.7%)

Weighs house yield and population growth.

Where they sit

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

Old Noarlunga Seaford Heights
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.

Old Noarlunga Seaford Heights
Walkability 44 / 43
Old Noarlunga — Walkability: 44/100 Seaford Heights — Walkability: 43/100
Safety 13 / 46
Old Noarlunga — Safety: 13/100 Seaford Heights — Safety: 46/100
Low fire risk 46 / 100
Old Noarlunga — Low fire risk: 46/100 Seaford Heights — Low fire risk: 100/100

Demographics

Seaford Heights has higher household incomes ($112,840 vs $77,220); Old Noarlunga has more residents (1,531 vs 1,079).

Old Noarlunga Seaford Heights
Population 1,531
+30% vs other
 1,079
Population trend (2016 → 2021) +5.7% +1935.8%
Median age 41 29
Median household income $77,220/yr $112,840/yr
+46% vs other
Median weekly rent $305/wk $380/wk
+25% vs other

Age profile

Share of residents in each band, 2021 Census.

Old Noarlunga Seaford Heights
0-4 4.6% / 10.9%
Old Noarlunga — 0-4: 4.6% Seaford Heights — 0-4: 10.9%
5-14 13.1% / 12.6%
Old Noarlunga — 5-14: 13.1% Seaford Heights — 5-14: 12.6%
15-19 5.5% / 4.2%
Old Noarlunga — 15-19: 5.5% Seaford Heights — 15-19: 4.2%
20-24 6.5% / 6.8%
Old Noarlunga — 20-24: 6.5% Seaford Heights — 20-24: 6.8%
25-34 13.1% / 31.1%
Old Noarlunga — 25-34: 13.1% Seaford Heights — 25-34: 31.1%
35-44 12.2% / 13.8%
Old Noarlunga — 35-44: 12.2% Seaford Heights — 35-44: 13.8%
45-54 13.3% / 10.5%
Old Noarlunga — 45-54: 13.3% Seaford Heights — 45-54: 10.5%
55-64 13.5% / 5.2%
Old Noarlunga — 55-64: 13.5% Seaford Heights — 55-64: 5.2%
65-74 11.0% / 3.3%
Old Noarlunga — 65-74: 11.0% Seaford Heights — 65-74: 3.3%
75-84 5.4% / 1.1%
Old Noarlunga — 75-84: 5.4% Seaford Heights — 75-84: 1.1%
85+ 1.5% / 0.3%
Old Noarlunga — 85+: 1.5% Seaford Heights — 85+: 0.3%

Bars are drawn against the largest share shown (31.1%).

Who lives together

Household composition, 2021 Census.

Old Noarlunga 43.6% couple families
Old Noarlunga — Couple Families: 43.6% Old Noarlunga — Lone Person: 33.9% Old Noarlunga — One Parent Families: 17.9% Old Noarlunga — Group Household: 3.1% Old Noarlunga — Other Families: 1.5%
Seaford Heights 55.6% couple families
Seaford Heights — Couple Families: 55.6% Seaford Heights — Lone Person: 25.6% Seaford Heights — One Parent Families: 14.8% Seaford Heights — Group Household: 2.6% Seaford Heights — Other Families: 1.5%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Old Noarlunga 18.5% renting
Old Noarlunga — Owned Outright: 32.3% Old Noarlunga — Mortgage: 49.2% Old Noarlunga — Renting: 18.5%
Seaford Heights 22.9% renting
Seaford Heights — Owned Outright: 10.0% Seaford Heights — Mortgage: 67.1% Seaford Heights — Renting: 22.9%
Owned outright Mortgage Renting

Qualifications

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

Old Noarlunga Seaford Heights
Certificate III & IV 23.2% / 21.2%
Old Noarlunga — Certificate III & IV: 23.2% Seaford Heights — Certificate III & IV: 21.2%
Bachelor Degree 7.1% / 12.7%
Old Noarlunga — Bachelor Degree: 7.1% Seaford Heights — Bachelor Degree: 12.7%
Advanced Diploma / Diploma 7.0% / 6.7%
Old Noarlunga — Advanced Diploma / Diploma: 7.0% Seaford Heights — Advanced Diploma / Diploma: 6.7%
Postgraduate Degree 1.4% / 3.4%
Old Noarlunga — Postgraduate Degree: 1.4% Seaford Heights — Postgraduate Degree: 3.4%
Graduate Diploma / Certificate 0.9% / 2.0%
Old Noarlunga — Graduate Diploma / Certificate: 0.9% Seaford Heights — Graduate Diploma / Certificate: 2.0%

Bars are drawn against the largest share shown (23.2%).

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.

Old Noarlunga Seaford Heights
England 10.8% / 10.6%
Old Noarlunga — England: 10.8% Seaford Heights — England: 10.6%
India 0.5% / 2.5%
Old Noarlunga — India: 0.5% Seaford Heights — India: 2.5%
Philippines 0.3% / 1.9%
Old Noarlunga — Philippines: 0.3% Seaford Heights — Philippines: 1.9%
New Zealand 1.9% / —
Old Noarlunga — New Zealand: 1.9% Seaford Heights — New Zealand: not among its largest
Scotland 1.0% / 0.6%
Old Noarlunga — Scotland: 1.0% Seaford Heights — Scotland: 0.6%
South Africa — / 1.4%
Old Noarlunga — South Africa: not among its largest Seaford Heights — South Africa: 1.4%
Iraq — / 0.8%
Old Noarlunga — Iraq: not among its largest Seaford Heights — Iraq: 0.8%
Germany 0.7% / —
Old Noarlunga — Germany: 0.7% Seaford Heights — Germany: not among its largest

Bars are drawn against the largest share shown (10.8%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Old Noarlunga 94.1% houses
Old Noarlunga — Houses: 94.1% Old Noarlunga — Flats / Apartments: 5.4% Old Noarlunga — Townhouses: 0.5%
Seaford Heights 94.0% houses
Seaford Heights — Houses: 94.0% Seaford Heights — Flats / Apartments: 1.0% Seaford Heights — Townhouses: 5.0%
Houses Flats / Apartments Townhouses

Property market

Old Noarlunga Seaford Heights
Median house price $835,000 $865,000
Median unit price —
same for both
Median land price $737,500 —
Typical days to sell (houses) 28 days
from 13 sales
 13 days
from 37 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.

Old Noarlunga Seaford Heights
3 bed $828K / $800K
Old Noarlunga — 3 bed: $828K (23 sales) Seaford Heights — 3 bed: $800K (40 sales)

23 vs 40 sales

4 bed $960K / $925K
Old Noarlunga — 4 bed: $960K (7 sales) Seaford Heights — 4 bed: $925K (27 sales)

7 vs 27 sales

Zoning mix

Old Noarlunga has more land zoned for conservation (51% vs 0%); Seaford Heights has more rural and farming land (37% vs 6%).

Old Noarlunga Seaford Heights
Environmental 51% 0%
Residential 28% 51%
Rural and farming 6% 37%
Industrial 13% 0%
Other and special use 0% 12%
Commercial 1% 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

Old Noarlunga Seaford Heights
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.

Old Noarlunga Seaford Heights
Houses 4.0%
$660/wk on $864K
 4.4%
$690/wk on $818K
Units —
same for both

Ranking within SA

Old Noarlunga Seaford Heights
House price Higher than 19% of SA Higher than 4% of SA
Income Higher than 52% of SA Higher than 88% of SA
Schools —
same for both
Walkability Higher than 79% of SA Higher than 78% of SA
Affordability Higher than 78% of SA Higher than 98% of SA
EV adoption Higher than 78% of SA Higher than 74% of SA
NBN connectivity Higher than 99% of SA Higher than 100% of SA
Rental yield (houses) Higher than 55% of SA Higher than 84% of SA

Liveability

Seaford Heights scores higher overall (63 vs 19).

Old Noarlunga Seaford Heights
Grade D B
Score 19/100 63/100
Socio-economic band below-average income
decile 2/10
 advantaged area
decile 8/10

Risk profile

Old Noarlunga carries more bushfire risk (54 vs 0); Old Noarlunga carries more crime risk (87 vs 54).

Old Noarlunga Seaford Heights
Bushfire Moderate
54/100
 None
0/100
Crime High
87/100
 Moderate
54/100
Flood High
71/100
 —
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 11
within 5 km
 10
within 5 km

Schools

Old Noarlunga Seaford Heights
Inside the suburb 1 0
Rated above peers 0
same for both
Rated at peers 1 0
Rated below peers 0
same for both

Schools in Old Noarlunga

  • Old Noarlunga Primary School Government · Primary at peers

Schools in Seaford Heights

No schools recorded inside this suburb's boundary. Children here will be zoned to schools nearby.

Amenities in the suburb

Old Noarlunga Seaford Heights
Supermarkets 0 1
Cafes & restaurants 4 0
Parks & reserves 1 0
Childcare 2 1
GPs 0 1
Pharmacies 0 1
Fuel stations 2 0

Mobility

Seaford Heights sits further from the CBD (35.6 km vs 33.5 km).

Old Noarlunga Seaford Heights
Walkability score 44/100 43/100
Distance to Adelaide 33.5 km 35.6 km
+6% vs other
Drive time (normal traffic) 35 min 38 min
Public transport score 78/100
Bus
 30/100
Bus
Peak arrivals per hour 36.0
7-9am + 5-7pm
 4.0
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
same for both
Electric vehicle share 1.0%
postcode 5168
 0.9%
postcode 5169
Rooftop solar per 100 dwellings 69
postcode 5168
 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.

Old Noarlunga Seaford Heights
Car (driver) 80.6% / 82.0%
Old Noarlunga — Car (driver): 80.6% Seaford Heights — Car (driver): 82.0%
Worked from Home 9.3% / 9.7%
Old Noarlunga — Worked from Home: 9.3% Seaford Heights — Worked from Home: 9.7%
Train 3.6% / 4.4%
Old Noarlunga — Train: 3.6% Seaford Heights — Train: 4.4%
Car (passenger) 4.4% / 3.2%
Old Noarlunga — Car (passenger): 4.4% Seaford Heights — Car (passenger): 3.2%
Walked Only 1.6% / —
Old Noarlunga — Walked Only: 1.6% Seaford Heights — Walked Only: not among its largest
Bus 0.5% / 0.7%
Old Noarlunga — Bus: 0.5% Seaford Heights — Bus: 0.7%

Bars are drawn against the largest share shown (82.0%).

Setting

Old Noarlunga Seaford Heights
Elevation 8 m
above sea level, at the suburb centre
 80 m
above sea level, at the suburb centre
Distance to the ocean 3.3 km
4.7 km to a named beach
 2.4 km
3.1 km to a named beach

NBN connectivity

Old Noarlunga Seaford Heights
Connectivity score 100/100
same for both
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 100%
680 premises
 100%
907 premises

Climate

Old Noarlunga Seaford Heights
Annual rainfall 786 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

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

Council rates

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

Federal electorate

Old Noarlunga Seaford Heights
Division Kingston
same for both
Member Amanda Rishworth
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

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

Tags

Old Noarlunga

Acreage Outer Quiet

Seaford Heights

Coastal Family Large Blocks Outer Young Families

More comparisons

Other comparisons with Old Noarlunga

Old Noarlunga vs Seaford Rise Old Noarlunga vs Seaford Meadows Old Noarlunga vs Seaford Old Noarlunga vs McLaren Vale Old Noarlunga vs Noarlunga Downs Old Noarlunga vs Onkaparinga Hills

Other comparisons with Seaford Heights

Seaford Heights vs Seaford Rise Seaford Heights vs Seaford Seaford Heights vs McLaren Vale
Full data on Old Noarlunga Full data on Seaford Heights
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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.

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