Flagstaff Hill, SA 5159 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Flagstaff Hill is a suburb of South Australia, postcode 5159, home to 10,184 residents with an established residential profile. Located in the Onkaparinga local government area (Inner Regional Australia) and roughly 15 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 10,184
- Median age
- 43 years
- Median household income
- $2,080 /week
- Median personal income
- $844 /week
- Median family income
- $2,302 /week
- Average household size
- 2.7
- Persons per bedroom
- 0.8
- Local government area
- Onkaparinga
- Statistical region (SA4)
- Adelaide - South
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Mayo
Property & cost of living
- Median rent
- $385 /week
- Median monthly mortgage
- $1,733
- Rent share of household income
- 19%
Schools
- Flagstaff Hill R-7 School
- Bellevue Heights Primary School
- Pilgrim School
- School of the Nativity
- Thiele Primary School
Transport
- Within 800 m walk: 10 bus stops
- Within 1.6 km: 23 bus stops
- Stop 38 Black Rd - North side
- Stop 38A Black Rd - South side
- Stop 38 Black Rd - South side
- Stop 38A Black Rd - North side
- Stop 39 Ridgway Dr - West side
Lifestyle & amenities
- 1 café
- 62 parks and reserves
- 1 supermarket
- 16 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, 14.6 km away
NBN & connectivity
Fibre to the Node serves 66.4% of the 4,081 resolvable premises in Flagstaff 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: 33.6%
- Fibre to the Node: 66.4%
Safety
- Recorded offences: 538 across postcode 5159 in the year to FY2024–25 (down 8% on the prior year).
- Most common categories: 169 theft, 138 violent offences, 133 property damage.
Frequently asked questions
What is the population of Flagstaff Hill?
Flagstaff Hill (SA 5159) had 10,184 residents at the most recent ABS Census. The median age is 43. It sits within the Onkaparinga local government area.
What is the median rent in Flagstaff Hill?
The median advertised rent in Flagstaff Hill is $385/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Flagstaff Hill?
Yes — 5 schools are listed within or near Flagstaff Hill covering government, independent sectors. Nearest include: Flagstaff Hill R-7 School (0.4 km), Bellevue Heights Primary School (2.2 km), Pilgrim School (2.3 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Flagstaff Hill?
Flagstaff Hill is predominantly served by Fibre to the Node (66.4% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Flagstaff Hill?
Across postcode 5159, 538 offences were recorded in the 12 months to FY2024–25. The most common offence categories were theft (169), violent (138), property damage (133). 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 Flagstaff Hill?
In Flagstaff 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 (14.6 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Flagstaff Hill?
23 public transport stops are mapped within 1.6 km of the Flagstaff Hill centroid. Within 800 m, you'll find 10 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: