Onkaparinga Hills vs Old Noarlunga

Old Noarlunga is the younger of the two, with a median age of 41 against 45 in Onkaparinga Hills. In both, the large majority of households own their home and the large majority of homes are detached houses. In Onkaparinga Hills, most households are couple families. Houses cost more in Onkaparinga Hills: a median of $988,000, against $835,000 in Old Noarlunga, and rent is higher there too. Onkaparinga Hills is closer to the city centre: 27.2 km, against 33.5 km. On these figures, Onkaparinga Hills tends to suit couples, while Old Noarlunga suits people living alone and buyers on a tighter budget.

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

Onkaparinga Hills

ahead on 3 of the 6 things we measure here

  • has more parks and reserves (8 vs 1)
  • carries lower crime risk (21/100 vs 87/100)
  • is already more of a family suburb (79% vs 62%)

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

First-home buyers

Old Noarlunga

ahead on the one thing that separates them

  • has cheaper houses ($835,000 vs $988,000)

Weighs house prices and mortgage stress.

Renters

Old Noarlunga

ahead on 2 of the 3 things we measure here

  • has a bigger rental market to choose from (18% vs 4%)
  • has cheaper rent ($305/wk vs $385/wk)

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

Commuting to the city

They split

one each way, out of the 4 things we measure here

  • Onkaparinga Hills sits closer to the CBD (27.2 km vs 33.5 km)
  • Old Noarlunga is more walkable (44/100 vs 0/100)

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

Downsizers and retirees

They split

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

  • Onkaparinga Hills carries lower crime risk (21/100 vs 87/100)
  • Old Noarlunga is more walkable (44/100 vs 0/100)

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 population growth.

Where they sit

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

Onkaparinga Hills Old Noarlunga
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.

Onkaparinga Hills Old Noarlunga
Walkability 0 / 44
Onkaparinga Hills — Walkability: 0/100 Old Noarlunga — Walkability: 44/100
Safety 79 / 13
Onkaparinga Hills — Safety: 79/100 Old Noarlunga — Safety: 13/100
Low fire risk 57 / 46
Onkaparinga Hills — Low fire risk: 57/100 Old Noarlunga — Low fire risk: 46/100

Demographics

Onkaparinga Hills has more residents (2,610 vs 1,531); Onkaparinga Hills has higher household incomes ($108,056 vs $77,220).

Onkaparinga Hills Old Noarlunga
Population 2,610
+41% vs other
 1,531
Population trend (2016 → 2021) +3.2% +5.7%
Median age 45 41
Median household income $108,056/yr
+29% vs other
 $77,220/yr
Median weekly rent $385/wk
+21% vs other
 $305/wk

Age profile

Share of residents in each band, 2021 Census.

Onkaparinga Hills Old Noarlunga
0-4 3.9% / 4.6%
Onkaparinga Hills — 0-4: 3.9% Old Noarlunga — 0-4: 4.6%
5-14 12.5% / 13.1%
Onkaparinga Hills — 5-14: 12.5% Old Noarlunga — 5-14: 13.1%
15-19 7.6% / 5.5%
Onkaparinga Hills — 15-19: 7.6% Old Noarlunga — 15-19: 5.5%
20-24 5.6% / 6.5%
Onkaparinga Hills — 20-24: 5.6% Old Noarlunga — 20-24: 6.5%
25-34 9.1% / 13.1%
Onkaparinga Hills — 25-34: 9.1% Old Noarlunga — 25-34: 13.1%
35-44 10.7% / 12.2%
Onkaparinga Hills — 35-44: 10.7% Old Noarlunga — 35-44: 12.2%
45-54 15.7% / 13.3%
Onkaparinga Hills — 45-54: 15.7% Old Noarlunga — 45-54: 13.3%
55-64 16.9% / 13.5%
Onkaparinga Hills — 55-64: 16.9% Old Noarlunga — 55-64: 13.5%
65-74 12.1% / 11.0%
Onkaparinga Hills — 65-74: 12.1% Old Noarlunga — 65-74: 11.0%
75-84 5.4% / 5.4%
Onkaparinga Hills — 75-84: 5.4% Old Noarlunga — 75-84: 5.4%
85+ 0.3% / 1.5%
Onkaparinga Hills — 85+: 0.3% Old Noarlunga — 85+: 1.5%

Bars are drawn against the largest share shown (16.9%).

Who lives together

Household composition, 2021 Census.

Onkaparinga Hills 66.0% couple families
Onkaparinga Hills — Couple Families: 66.0% Onkaparinga Hills — Lone Person: 17.7% Onkaparinga Hills — One Parent Families: 13.3% Onkaparinga Hills — Group Household: 3.0% Onkaparinga Hills — Other Families: 0.0%
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%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Onkaparinga Hills 4.5% renting
Onkaparinga Hills — Owned Outright: 40.3% Onkaparinga Hills — Mortgage: 55.2% Onkaparinga Hills — Renting: 4.5%
Old Noarlunga 18.5% renting
Old Noarlunga — Owned Outright: 32.3% Old Noarlunga — Mortgage: 49.2% Old Noarlunga — Renting: 18.5%
Owned outright Mortgage Renting

Qualifications

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

Onkaparinga Hills Old Noarlunga
Certificate III & IV 22.2% / 23.2%
Onkaparinga Hills — Certificate III & IV: 22.2% Old Noarlunga — Certificate III & IV: 23.2%
Advanced Diploma / Diploma 9.5% / 7.0%
Onkaparinga Hills — Advanced Diploma / Diploma: 9.5% Old Noarlunga — Advanced Diploma / Diploma: 7.0%
Bachelor Degree 8.6% / 7.1%
Onkaparinga Hills — Bachelor Degree: 8.6% Old Noarlunga — Bachelor Degree: 7.1%
Postgraduate Degree 2.3% / 1.4%
Onkaparinga Hills — Postgraduate Degree: 2.3% Old Noarlunga — Postgraduate Degree: 1.4%
Graduate Diploma / Certificate 1.7% / 0.9%
Onkaparinga Hills — Graduate Diploma / Certificate: 1.7% Old Noarlunga — Graduate Diploma / Certificate: 0.9%

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.

Onkaparinga Hills Old Noarlunga
England 10.4% / 10.8%
Onkaparinga Hills — England: 10.4% Old Noarlunga — England: 10.8%
New Zealand 0.5% / 1.9%
Onkaparinga Hills — New Zealand: 0.5% Old Noarlunga — New Zealand: 1.9%
Scotland 0.8% / 1.0%
Onkaparinga Hills — Scotland: 0.8% Old Noarlunga — Scotland: 1.0%
Germany 1.0% / 0.7%
Onkaparinga Hills — Germany: 1.0% Old Noarlunga — Germany: 0.7%
Netherlands 0.8% / —
Onkaparinga Hills — Netherlands: 0.8% Old Noarlunga — Netherlands: not among its largest
India 0.3% / 0.5%
Onkaparinga Hills — India: 0.3% Old Noarlunga — India: 0.5%

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

What people live in

Occupied private dwellings by structure, 2021 Census.

Onkaparinga Hills 99.2% houses
Onkaparinga Hills — Houses: 99.2% Onkaparinga Hills — Flats / Apartments: 0.2% Onkaparinga Hills — Townhouses: 0.6%
Old Noarlunga 94.1% houses
Old Noarlunga — Houses: 94.1% Old Noarlunga — Flats / Apartments: 5.4% Old Noarlunga — Townhouses: 0.5%
Houses Flats / Apartments Townhouses

Property market

Onkaparinga Hills Old Noarlunga
Median house price $988,000 $835,000
Median unit price —
same for both
Median land price — $737,500
Typical days to sell (houses) 22 days
from 20 sales
 28 days
from 13 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.

Onkaparinga Hills Old Noarlunga
3 bed $855K / $828K
Onkaparinga Hills — 3 bed: $855K (13 sales) Old Noarlunga — 3 bed: $828K (23 sales)

13 vs 23 sales

4 bed $989K / $960K
Onkaparinga Hills — 4 bed: $989K (28 sales) Old Noarlunga — 4 bed: $960K (7 sales)

28 vs 7 sales

Zoning mix

Onkaparinga Hills has more land zoned for conservation (95% vs 51%); Old Noarlunga has more industrially zoned land (13% vs 0%).

Onkaparinga Hills Old Noarlunga
Environmental 95% 51%
Residential 5% 28%
Industrial 0% 13%
Rural and farming 1% 6%
Commercial 0% 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. Zones as at 2026-09.

Development activity

Onkaparinga Hills Old Noarlunga
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.

Onkaparinga Hills Old Noarlunga
Houses — 4.0%
$660/wk on $864K
Units —
same for both

Ranking within SA

Onkaparinga Hills Old Noarlunga
House price Higher than 40% of SA Higher than 19% of SA
Income Higher than 85% of SA Higher than 52% of SA
Schools —
same for both
Walkability Higher than 8% of SA Higher than 79% of SA
Affordability Higher than 89% of SA Higher than 78% of SA
EV adoption Higher than 50% of SA Higher than 78% of SA
NBN connectivity Higher than 81% of SA Higher than 99% of SA
Rental yield (houses) — Higher than 55% of SA

Liveability

Old Noarlunga is more walkable (44 vs 0); Onkaparinga Hills scores higher overall (54 vs 19).

Onkaparinga Hills Old Noarlunga
Grade B D
Score 54/100 19/100
Socio-economic band advantaged area
decile 7/10
 below-average income
decile 2/10

Risk profile

Old Noarlunga carries more crime risk (87 vs 21); Old Noarlunga carries more bushfire risk (54 vs 43).

Onkaparinga Hills Old Noarlunga
Bushfire Moderate
43/100
 Moderate
54/100
Crime Low
21/100
 High
87/100
Flood — High
71/100
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 1
within 5 km
 11
within 5 km

Schools

Onkaparinga Hills Old Noarlunga
Inside the suburb 0 1
Rated above peers 0
same for both
Rated at peers 0 1
Rated below peers 0
same for both

Schools in Onkaparinga Hills

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

Schools in Old Noarlunga

  • Old Noarlunga Primary School Government · Primary at peers

Amenities in the suburb

Onkaparinga Hills Old Noarlunga
Cafes & restaurants 0 4
Parks & reserves 8 1
Childcare 0 2
Fuel stations 0 2
Waterways 1 0

Mobility

Old Noarlunga sits further from the CBD (33.5 km vs 27.2 km).

Onkaparinga Hills Old Noarlunga
Walkability score 0/100 44/100
Distance to Adelaide 27.2 km 33.5 km
+23% vs other
Drive time (normal traffic) 32 min 35 min
Public transport score 55/100
Bus
 78/100
Bus
Peak arrivals per hour 19.0
7-9am + 5-7pm
 36.0
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
same for both
Electric vehicle share 0.5%
postcode 5163
 1.0%
postcode 5168
Rooftop solar per 100 dwellings 67
postcode 5163
 69
postcode 5168

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.

Onkaparinga Hills Old Noarlunga
Car (driver) 81.4% / 80.6%
Onkaparinga Hills — Car (driver): 81.4% Old Noarlunga — Car (driver): 80.6%
Worked from Home 10.8% / 9.3%
Onkaparinga Hills — Worked from Home: 10.8% Old Noarlunga — Worked from Home: 9.3%
Car (passenger) 3.9% / 4.4%
Onkaparinga Hills — Car (passenger): 3.9% Old Noarlunga — Car (passenger): 4.4%
Train 1.1% / 3.6%
Onkaparinga Hills — Train: 1.1% Old Noarlunga — Train: 3.6%
Bus 1.6% / 0.5%
Onkaparinga Hills — Bus: 1.6% Old Noarlunga — Bus: 0.5%
Walked Only 0.4% / 1.6%
Onkaparinga Hills — Walked Only: 0.4% Old Noarlunga — Walked Only: 1.6%

Bars are drawn against the largest share shown (81.4%).

Setting

Onkaparinga Hills Old Noarlunga
Elevation 234 m
above sea level, at the suburb centre
 8 m
above sea level, at the suburb centre
Distance to the ocean 8.8 km 3.3 km
4.7 km to a named beach

NBN connectivity

Onkaparinga Hills Old Noarlunga
Connectivity score 68/100 100/100
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 45%
953 premises
 100%
680 premises

Climate

Onkaparinga Hills Old Noarlunga
Annual rainfall 394 mm 786 mm
Summer max (Jan) 28.1°C —
Winter min (Jul) 7.8°C —

Air quality (annual mean)

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

Council rates

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

Federal electorate

Onkaparinga Hills Old Noarlunga
Division Kingston
same for both
Member Amanda Rishworth
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

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

Tags

Onkaparinga Hills

Acreage Outer

Old Noarlunga

Acreage Outer Quiet

More comparisons

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Other comparisons with Old Noarlunga

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Full data on Onkaparinga Hills Full data on Old Noarlunga
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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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