🔍

O'Halloran Hill

SA 5158 • Greater Adelaide

2,722
Population (2021)
$81,016
Median Household Income
7.82 km²
Area
$350/wk
Median Rent
Family-FriendlyGreen SpaceHillySouthern AdelaideQuiet

About O'Halloran Hill

O'Halloran Hill is a southern Adelaide suburb located approximately 18 kilometres from the CBD, nestled along the escarpment that marks the transition between the Adelaide Plains and the Mount Lofty Ranges foothills. With a population of around 2,722 (2021 census), it spans 7.8 square kilometres across the City of Marion and City of Onkaparinga local government areas. The suburb sits at an elevation of about 192 metres, offering pleasant valley views. It has a well-established, predominantly Anglo-Australian demographic with a median age of 40.

O'Halloran Hill offers a quiet suburban lifestyle with generous green space — nearly 30% of the suburb's area is parkland. The nearby Glenthorne National Park (Adelaide's second metropolitan national park) and the Happy Valley Reservoir Reserve provide outstanding nature recreation. The completion of the Darlington Interchange has improved CBD commute times significantly. The suburb attracts families and older owner-occupiers seeking affordability and a semi-rural feel within greater Adelaide.

O'Halloran Hill falls under postcode 5158 and is governed by Marion Council (LGA). For state elections, residents vote in the Davenport electorate.

📍 Location

State
South Australia
Postcode
5158
Urban Area
Marion - Central
LGA / Council
Marion
Federal Electorate
Kingston
State Electorate
Davenport
Type
Major Urban
Timezone
Adelaide (UTC+9:30)
Coordinates
-35.06°, 138.56°
Statistical Area
Greater Adelaide
Area
7.82 km²
Elevation
192m

🏷️ Property Prices March quarter 2026

Median sale prices in O'Halloran Hill for the March quarter 2026. Median house sale prices published by the Office of the Valuer-General SA (Adelaide metropolitan area).

🏡House
$863K
6 sales · YoY n/a

Source: Office of the Valuer-General SA — Metropolitan Median House Sales. Houses only — South Australia does not publish a unit/apartment series. Medians are for the latest quarter; year-on-year change is shown only where both quarters had at least 10 sales.

🏠 Housing 2021 Census

Median Rent (weekly)
$350
Median Mortgage (monthly)
$1,500
Avg Household Size
2.5 people
Median Age
40 years
Social Housing (% of dwellings)
1.3%

14 state housing + 0 community housing dwellings (ABS 2021 Census)

🚌 Transport & Commute

Nearest Train Stations

Noarlunga Centre
4.5 km
N/A (drive/bus)
Christie Downs
5.2 km
N/A (drive/bus)

Bus Services

  • 166,167 — Noarlunga Centre interchange 10-15 min
  • 164 — Marion Shopping Centre 15-20 min

Commute to Adelaide CBD

Distance
18 km
By Train
~35 min (bus to Noarlunga, then train ~25 min)
By Bus
~50-60 min via connecting services
By Car (Peak)
25-35 min via Main South Road / Darlington Interchange
By Car (Off-Peak)
20-25 min

🛣️ The Darlington Interchange upgrade has significantly improved peak-hour travel times from the suburb.

Walkability Car-Dependent

Most errands require a car. Local bus connections exist but frequencies are moderate. The suburb's hilly terrain and limited footpaths make walking to amenities challenging.

🛒 Supermarkets Nearby

No major supermarkets listed for this suburb.

🎓 Schools

🎓 Educational Institution Attending 2021 Census

School Sector Breakdown

👥 Demographics

Census 2016
2,658
Census 2021
2,722
▲ 2.4% growth

Population Growth

Gender Distribution (Census 2021)

Personal Income 2016
$34,372
Personal Income 2021
$41,392
▲ 20.4% increase

2021 Census income breakdown

Personal = median for one earner. Household = all members of a dwelling pooled. Family = related members only. Annual = weekly × 52.

Personal
$41,392 / yr
$796/wk
Household
$81,016 / yr
$1558/wk
Family
$101,140 / yr
$1945/wk

Personal Income Comparison (2016 vs 2021)

📊 Population: ABS Census 2021
💰 Income: ABS Census 2021

🌍 Country of Birth 2021 Census

Born in Australia 2,115
Born Overseas 550

Top Countries of Birth (excl. Australia)

  • 1. England 203
  • 2. New Zealand 28
  • 3. Scotland 27
  • 4. India 21
  • 5. South Africa 20
  • 6. Poland 18
  • 7. Netherlands 17
  • 8. China 16
  • 9. Germany 16
  • 10. Sri Lanka 15

🧬 Ancestry 2021 Census

Top ancestries reported (people may report up to two)

English 1,370
Australian 881
Scottish 316
Irish 262
German 238
Italian 80
Dutch 76
Chinese 41
Polish 41
Australian Aboriginal 37

👨‍👩‍👧 Parents' Birthplace 2021 Census

1,526
Both parents born in Australia
752
Both parents born overseas
383
One parent AU, one overseas

🛐 Religion 2021 Census

No Religion
56.7%
Christianity
34.9%
Buddhism
1.7%
Hinduism
0.7%
Islam
0.6%
Sikhism
0.3%

📊 Age Distribution 2021 Census

0-4 years
152 (5.6%)
5-14 years
339 (12.5%)
15-19 years
128 (4.7%)
20-24 years
141 (5.2%)
25-34 years
404 (14.8%)
35-44 years
398 (14.6%)
45-54 years
334 (12.3%)
55-64 years
315 (11.6%)
65-74 years
300 (11.0%)
75-84 years
191 (7.0%)
85+ years
21 (0.8%)

Nearby Suburbs

Frequently Asked Questions

What is O'Halloran Hill known for? +

O'Halloran Hill is a southern Adelaide suburb located approximately 18 kilometres from the CBD, nestled along the escarpment that marks the transition between the Adelaide Plains and the Mount Lofty Ranges foothills. O'Halloran Hill offers a quiet suburban lifestyle with generous green space — nearly 30% of the suburb's area is parkland.

How far is O'Halloran Hill from Adelaide CBD? +

O'Halloran Hill is approximately 18 kilometres from Adelaide CBD, with a typical drive taking around 22-32 minutes depending on traffic and route taken.

Does O'Halloran Hill have public transport? +

O'Halloran Hill is connected to the Adelaide CBD via Adelaide Metro bus services. Adelaide Metro train stations are accessible nearby for rail commuters. The suburb is well-served for public transport in the metropolitan Adelaide context.

What is the population of O'Halloran Hill? +

According to the 2021 Census, O'Halloran Hill has a population of approximately 2,722 residents, a modest but established community. The suburb falls within the Marion (City) local government area.

Is O'Halloran Hill a good place to live? +

O'Halloran Hill is a well-regarded family-friendly suburb with parks, schools, and a welcoming community atmosphere. Its residential character and local amenities make it a popular choice for families settling in the area.

What is the postcode for O'Halloran Hill? +

The postcode for O'Halloran Hill, SA is 5158. This postcode covers O'Halloran Hill and may also serve nearby localities within the same postcode zone.

What is the average income in O'Halloran Hill? +

Based on the 2021 Census, the median personal income in O'Halloran Hill is about $796 per week (around $41,400 per year). The median household income is $1,558 per week and the median family income is $1,945 per week.

What is the median house price in O'Halloran Hill? +

As of March quarter 2026, the median house price is $863,300. Figures are based on Office of the Valuer-General SA — Metropolitan Median House Sales.

What is the age profile of O'Halloran Hill? +

The median age in O'Halloran Hill is 40. The largest age group is 25–34 (404 residents, around 15%). Around 23% of residents are under 20 and about 19% are aged 65 or older. (2021 Census)

How much is rent in O'Halloran Hill? +

In O'Halloran Hill, the median weekly rent is $350, and the median monthly mortgage repayment is $1,500 (2021 Census).