O’halloran Hill, SA 5158 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
O’halloran Hill is a suburb of South Australia, postcode 5158, home to 2,722 residents with an established residential profile. Located in the Onkaparinga local government area and roughly 18 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 2,722
- Median age
- 40 years
- Median household income
- $1,558 /week
- Median personal income
- $796 /week
- Median family income
- $1,945 /week
- Average household size
- 2.5
- Persons per bedroom
- 0.8
- Local government area
- Onkaparinga
- Statistical region (SA4)
- Adelaide - South
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Kingston
Property & cost of living
- Median rent
- $350 /week
- Median monthly mortgage
- $1,500
- Rent share of household income
- 22%
Schools
- Hallett Cove School
- Hallett Cove East Primary School
- St Martin de Porres School
- Hallett Cove South Primary School
- Woodend Primary School
Transport
- Within 800 m walk: 27 bus stops
- Within 1.6 km: 2 train stops, 94 bus stops
- Stop 52B Ramrod Ave - North East side
- Stop 52B Ramrod Ave - South West side
- Stop 52A Zwerner Dr - South East side
- Stop 52A Zwerner Dr - North West side
- Hallett Cove Beach Railway Station
Lifestyle & amenities
- 9 restaurants
- 2 pubs and bars
- 56 parks and reserves
- 2 supermarkets
- 5 playgrounds
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (15.0°C avg max)
- Annual rainfall: 437 mm
- Reference station: Adelaide Airport, 14.1 km away
NBN & connectivity
Fibre to the Node serves 67.9% of the 1,329 resolvable premises in O’halloran Hill. Most premises here connect via fibre to a street cabinet, then copper into the home. Speeds depend heavily on the copper run length — NBN 100 is rarely achievable on long runs.
- Fibre to the Premises: 32.0%
- Fibre to the Node: 67.9%
- Fixed Wireless: 0.2%
Safety
- Recorded offences: 575 across postcode 5158 in the year to FY2024–25 (down 8% on the prior year).
- Most common categories: 206 theft, 149 violent offences, 121 property damage.
Frequently asked questions
What is the population of O’halloran Hill?
O’halloran Hill (SA 5158) had 2,722 residents at the most recent ABS Census. The median age is 40. It sits within the Onkaparinga local government area.
What is the median rent in O’halloran Hill?
The median advertised rent in O’halloran Hill is $350/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in O’halloran Hill?
Yes — 5 schools are listed within or near O’halloran Hill covering government, independent sectors. Nearest include: Hallett Cove School (0.6 km), Hallett Cove East Primary School (0.7 km), St Martin de Porres School (0.9 km). School data sourced from ACARA and state education departments.
What NBN technology is available in O’halloran Hill?
O’halloran Hill is predominantly served by Fibre to the Node (67.9% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is O’halloran Hill?
Across postcode 5158, 575 offences were recorded in the 12 months to FY2024–25. The most common offence categories were theft (206), violent (149), property damage (121). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in O’halloran Hill?
In O’halloran Hill, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (14.1 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in O’halloran Hill?
96 public transport stops are mapped within 1.6 km of the O’halloran Hill centroid. Within 800 m, you'll find 27 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: