O'Halloran Hill, SA 5158

City of OnkaparingaAll suburbs in postcode 5158

Updated

Median house price

$880,000

+6.7% over the past year.

Median of 11 house sales · SA Government · the latest published quarter (updated October 2026)

Selling in O'Halloran Hill?

Get the free selling guide, personalised to O'Halloran Hill, or ask for a free appraisal from a local agent.

O'Halloran Hill at a glance

Median unit
$253,440
Population
2,722
Median age 40

Prices: Median of 11 house sales · SA Government · the latest published quarter (updated October 2026) · Population: 2021 Census

House prices in O'Halloran Hill

Houses change hands at $880,000 on a typical sale, above the South Australia median (11 house sales, SA Government quarterly medians, the latest published quarter (updated October 2026)). Units come in around $253,440, roughly 71% below the house median. The 12-month picture is one of steady growth (+6.7%).

For sellers

Twelve-month growth is +6.7%, supporting confident pricing at the upper end of recent comparables.

Work out your selling costs

For buyers

A 20% deposit on the median house works out to roughly $176,000. Prices sit above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.

See what you can borrow

Rental data as of October 2026

Free appraisal in O'Halloran Hill

What’s your home worth in O'Halloran Hill?

Ask us to introduce one participating agent who sells in your area for an appraisal backed by recent comparable sales. Only with your permission, and no commitment to list.

What to know about O'Halloran Hill

O'Halloran Hill (5158) sits in the Onkaparinga region of South Australia. The median house here is $880,000, above the South Australia median of around $720K. Prices have moved +6.7% over the past year, ahead of the South Australia average (5%).

O'Halloran Hill has roughly 2,722 residents, with a typical family-age mix. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.

What it’s like to live here

O'Halloran Hill scores 4/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.

Summer days here average around 28°C (warm), winter mornings around 8°C (cool). Annual rainfall lands at about 506 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).

Schooling within or near the suburb covers 12 government primary, 2 Catholic, 4 independent.

Schools in O'Halloran Hill

Schools serving O'Halloran Hill: government first, then Catholic and independent.

Government schools

Hallett Cove South Primary School

U, R-6Co-edGovernment
Catchment

Hallett Cove School

R-12Co-edGovernment
Catchment

Hallett Cove East Primary School

R-6Co-edGovernment
Catchment

© ACARA, licensed under CC BY 4.0.

Location

Walkability

Walk
4/100
Transit
0/100
Bike
100/100

Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).

Walkability data as of May 2026· OpenStreetMap

Demographics

The 2021 Census put O'Halloran Hill's population at 2,722, with a median age of 40. That sits as a typical family-age mix. Households are predominantly owner-occupied (81% own, 18% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (74% family households, 23% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.

Family households
74%
Lone person
23%
Owner occupied
81%
Renter occupied
18%

Demographics data as of May 2026· ABS 2021 Census

Investment overview

12-month change, housesSource: data.sa.gov.au · Oct 2026
+6.7%

Gross rental yield is a year’s rent divided by the purchase price, before expenses. It leaves out vacancy, management fees, maintenance and financing costs, so treat it as a starting point.

Crime and safety

124 offences recorded in 2025-26

Top offence categories
OFFENCES AGAINST PROPERTY93 (75.0%)
OFFENCES AGAINST THE PERSON31 (25.0%)

Source: State Police Open Data

Crime data as of June 2026

Weather year-round

Annual rainfall
506 mm
Hottest month, avg max
27.9°C
Coldest month, avg min
7.8°C
Rainfall by month
J
F
M
A
M
J
J
A
S
O
N
D

Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.

Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations

Questions about O'Halloran Hill

What is the median house price in O'Halloran Hill?
The median house price in O'Halloran Hill, SA 5158 is $880,000 (The SA Government's quarterly suburb median from 11 house sales, the latest published quarter (updated October 2026)). The median unit price is $253,440. Annual growth is +6.7%.
How much is my house worth in O'Halloran Hill?
A useful starting point is the O'Halloran Hill median house price of $880,000 (units $253,440). Your home will sit above or below that depending on land size, condition, position and what comparable homes nearby have sold for recently. For a figure specific to your property, request a free property appraisal from a local agent using the form on this page.
Is O'Halloran Hill a good investment?
On the published figures, O'Halloran Hill's median house price rose 6.7% over 12 months, to $880,000 (SA Government, the latest published quarter, updated October 2026). No weekly house rent is published for O'Halloran Hill, so there is no house yield to work out. Whether O'Halloran Hill is a good investment for you depends on the price you pay, your loan and holding costs, vacancy and your tax position. These are published market figures, not financial advice.
What is the O'Halloran Hill postcode?
O'Halloran Hill is in the 5158 postcode, in SA, in the City of Onkaparinga region.
Where is O'Halloran Hill?
O'Halloran Hill is a suburb in the City of Onkaparinga area, SA 5158.
What schools are in O'Halloran Hill?
There are 20 schools serving O'Halloran Hill on this page, including Hallett Cove South Primary School, Hallett Cove School, Hallett Cove East Primary School.
How walkable is O'Halloran Hill?
O'Halloran Hill has a Walk Score of 4 out of 100, highly car-dependent. transit score 0, bike score 100.
What suburbs are near O'Halloran Hill?
O'Halloran Hill is close to Hallett Cove, Sheidow Park, Marino, Reynella, Lonsdale.
What is the population of O'Halloran Hill?
The population of O'Halloran Hill is approximately 2,722 (2021 Census). The median age is 40.

Selling in O'Halloran Hill? Get the free selling guide

What selling costs, how agents price homes, what to ask them and a 12-week plan to settlement, personalised to O'Halloran Hill. A free PDF, in about a minute.

Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data

How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.