Welcome sign with Australian flag in garden
The quick read on
SA 5159 · Onkaparinga
What homes cost, how rents have moved, and a feel for the people who call it home.
latest suburb median
ABS 2021
Flagstaff Hill, South Australia
Median sale price and rental income of properties in Flagstaff Hill SA
Based on 135 sales in the preceding 12 months
$1,080,000
Up 13.0% over 12 months
Based on 42 rental listings in the preceding 12 months
$675 per week
Up 3.8% over 12 months
Market data updated September 2026.
The median house price in Flagstaff Hill, SA is currently $1,080,000, based on the latest 12 months of sales. Flagstaff Hill has a 12-month growth rate of 13.0% for houses.
Three-bedroom houses have a median sale price of $980,000, Four-bedroom houses have a median sale price of $1,130,000, Larger houses have a median sale price of $1,560,000 in Flagstaff Hill.
If you're looking to lease, the median rent for houses in Flagstaff Hill is $675 per week. The median house rent has increased 3.8% over the last 12 months.
Crime and safety
The overall rate for Flagstaff Hill is 1,051 offences per 100,000 residents — 72% below the Greater Adelaide benchmark.
That is the clearest suburb-wide answer. Open the detailed profile to see how the pattern changes across offence types and different parts of Flagstaff Hill.
Overall crime rate
1,051
offences per 100,000 residents
72% belowGreater Adelaide
Suburb-wide estimate from Microburbs' public crime model; it is not an address-level measure.
The people behind the postcode
Flagstaff Hill SA 5159 is in South Australia, within Greater Adelaide.
10,184 people call Flagstaff Hill home, with an average of 2.7 people per household and a median household income of $2,080 a week.
Public ABS 2021 Census figures. The bars compare the local share with the capital-region benchmark.
Share of residents in each age band.
Share of occupied private dwellings.
Share of homes with a stated ownership or rental status.
Vehicles available to occupied households.
Selected ways residents worked or travelled on Census day.
11.0% of workers in Flagstaff Hill worked from home on Census day.
9.8% of Flagstaff Hill residents were born in England, noticeably more common than across Greater Adelaide.
50.6% of people in Flagstaff Hill described themselves as having no religion in the 2021 Census.
A closer look at the Census
Open any question for a plain-English reading of the public 2021 Census for Flagstaff Hill SA 5159.
17.4% of Flagstaff Hill's residents were children under 15 in the 2021 Census. That is almost exactly typical for Greater Adelaide.
3,061 family households lived in Flagstaff Hill; 47.6% were couple families and 10.1% were one-parent families.
34.0% of local families included children under 15. That is close to the Greater Adelaide average.
These are suburb-wide household figures, not school or childcare ratings.
Flagstaff Hill had 10,184 residents at the 2021 Census.
22.7% of residents were aged 25 to 44.
33.7% were 55 or older. That is somewhat above the Greater Adelaide average.
Age shares use the suburb’s total Census population.
Separate houses made up 96.3% of occupied private dwellings in Flagstaff Hill.
Townhouses and other attached homes represented 1.6% of occupied private dwellings.
Flats and apartments accounted for 0.3% of occupied private dwellings.
All three shares use occupied private dwellings as the denominator.
39.0% of households with a stated tenure owned their home outright. That is well above the Greater Adelaide average.
50.5% were buying their home with a mortgage.
10.5% rented their home. That is about half the Greater Adelaide rate.
Tenure shares include households that stated one of these three arrangements.
The average household in Flagstaff Hill had 2.7 people.
One-person households made up 15.6% of occupied homes. That is well below the Greater Adelaide average.
Two-person households represented 37.4%, while 29.8% had four or more usual residents.
Household size counts usual residents in occupied homes.
11.0% of workers worked from home on Census day. That is close to the Greater Adelaide average.
66.5% drove a car as their only travel method. That is somewhat above the Greater Adelaide average.
3.0% used only a train, tram or bus, while 0.8% walked or cycled.
Travel figures are a 2021 Census-day snapshot.
1.6% of occupied households had no motor vehicle available. That is about half the Greater Adelaide rate.
One-car households formed 23.9% of the total.
74.8% of households had two or more vehicles.
Vehicle counts refer to occupied households, not individual residents.
69.6% were at the same address five years earlier, while 30.4% reported a different address.
27.9% of residents were born outside Australia. That is almost exactly typical for Greater Adelaide.
Mobility figures cover residents who answered the relevant Census question.
85.1% of residents used only English at home.
13.4% used a language other than English at home.
2.3% spoke Mandarin at home, 0.3% spoke Cantonese and 0.3% spoke Hindi.
Home language is separate from English proficiency.
27.9% of Flagstaff Hill's population was born outside Australia, while roughly 72.1% was born in Australia.
1.8% of residents were born in China.
1.4% were born in India, while Australian citizenship across the whole suburb stood at 91.5%.
Birthplace, citizenship and ancestry describe different parts of identity.
English ancestry accounted for 45.4% of ancestry responses in Flagstaff Hill.
Australian ancestry made up 32.8% of responses.
Chinese ancestry represented 3.2% of responses.
People may nominate more than one ancestry, so these are shares of responses.
26.3% of employed residents worked in professional occupations. That is somewhat above the Greater Adelaide average.
Managers accounted for 14.4% of employed residents, while clerical and administrative workers made up 13.9%.
Health care and social assistance employed 19.0% of workers, and education and training employed 11.7%.
Occupation and industry figures describe employed residents of the suburb.
The labour-force participation rate was 66.5%, compared with 61.7% across Greater Adelaide.
36.9% of residents aged 15 and over worked full time, while 23.2% worked part time.
Unemployment was 4.2%, compared with 5.5% across Greater Adelaide.
Labour-force figures come from the 2021 Census.
61.2% reported no selected long-term health condition.
8.5% reported a long-term mental health condition, including depression or anxiety.
8.2% reported asthma, 8.8% arthritis and 4.4% diabetes excluding gestational diabetes.
These are self-reported suburb-wide Census figures, not address-level health risks.
29.2% of people in the qualifications table held a bachelor degree. That is close to the Greater Adelaide average.
Postgraduate degrees accounted for 9.4% of qualification responses.
Diploma-level qualifications represented 17.6%, while certificate-level qualifications represented 33.0%.
Qualification categories are reported separately and are not school ratings.
Median household income was $2,080 per week in the 2021 Census.
The median monthly mortgage repayment reported by local households was $1,733.
Occupied renting households reported a median rent of $385 per week.
These household figures are from 2021; current sale and asking-rent medians appear in the market section.
Working from home was 11.0% in Flagstaff Hill, compared with 9.8% across Greater Adelaide.
Outright ownership was 39.0% locally and 32.1% across Greater Adelaide. That is well above the Greater Adelaide average.
Renting accounted for 10.5% in Flagstaff Hill, against 29.5% across Greater Adelaide.
Capital-region comparisons use the same Census definitions and year.
Three useful questions
The median house price is $1,080,000. Bedroom count, land and condition still create a wide range around those suburb medians.
The Census counted 3,061 local families, and 17.4% of residents were under 15. That describes the community; school quality, travel times and the right fit for a particular family need separate research.
Larger houses have a median around $1,560,000, the closest bedroom benchmark we hold to a $1.5m budget. Individual homes can differ substantially with block size, renovation and location.
Medians describe recorded market activity across the suburb; they are historical context, not a valuation or forecast for an individual home.
Explore the area
Open a free street report for local prices, rents and recorded sale history.
Compare nearby suburb prices, rents and five-year market trends.
Keep exploring
Use the finders to compare places and properties, or open the full report when you need the street, risk, schools and growth research.
Figures update as new market and census data arrives. This suburb overview is general information, not a valuation or financial advice.