🔍

Flagstaff Hill

SA 5159 • Greater Adelaide

10,184
Population (2021)
$108,160
Median Household Income
7.91 km²
Area
$385/wk
Median Rent
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About Flagstaff Hill

Flagstaff Hill is a hillside suburb 18 kilometres south of Adelaide's CBD in the City of Onkaparinga. The suburb features elevated living with views, larger blocks, and access to conservation areas. The community is well-established and family-oriented.

Premium southern living defines Flagstaff Hill—elevated homes, larger blocks, and access to nature attract families seeking quality in Adelaide's south. The suburb offers hills lifestyle within the metropolitan area.

Flagstaff Hill falls under postcode 5159 and is governed by Onkaparinga Council (LGA). For state elections, residents vote in the Davenport electorate.

📰 Featured In

🏷️ Top 25 Most Expensive Suburbs in SA by Median House Price

📍 Location

State
South Australia
Postcode
5159
Urban Area
Onkaparinga - Central North
LGA / Council
Onkaparinga
Federal Electorate
Kingston
State Electorate
Davenport
Type
Major Urban
Timezone
Adelaide (UTC+9:30)
Coordinates
-35.05°, 138.59°
Statistical Area
Greater Adelaide
Area
7.91 km²
Elevation
193m

🏷️ Property Prices March quarter 2026

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

🏡House
$1.09M
31 sales · ▲ 20% YoY

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)
$385
Median Mortgage (monthly)
$1,733
Avg Household Size
2.7 people
Median Age
43 years
Social Housing (% of dwellings)
0.3%

7 state housing + 3 community housing dwellings (ABS 2021 Census)

🚌 Transport & Commute

Bus Services

  • Local bus services — Adelaide CBD Varies

Commute to Adelaide CBD

Distance
13 km
By Train
Train access via local station
By Car (Peak)
25-45 min
By Car (Off-Peak)
20-35 min

🛣️ Located 13 km from Adelaide CBD

Walkability Somewhat Walkable

Some errands can be done on foot near the local centre, but most residents rely on a car for daily needs

🛒 Supermarkets Nearby

No major supermarkets listed for this suburb.

🎓 Schools

🎓 Educational Institution Attending 2021 Census

School Sector Breakdown

👥 Demographics

Census 2016
9,950
Census 2021
10,184
▲ 2.4% growth

Population Growth

Gender Distribution (Census 2021)

Personal Income 2016
$37,908
Personal Income 2021
$43,888
▲ 15.8% 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
$43,888 / yr
$844/wk
Household
$108,160 / yr
$2080/wk
Family
$119,704 / yr
$2302/wk

Personal Income Comparison (2016 vs 2021)

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

🌍 Country of Birth 2021 Census

Born in Australia 7,175
Born Overseas 2,843

Top Countries of Birth (excl. Australia)

  • 1. England 997
  • 2. China 181
  • 3. South Africa 156
  • 4. India 145
  • 5. New Zealand 106
  • 6. Scotland 106
  • 7. Netherlands 63
  • 8. Germany 58
  • 9. Iran 57
  • 10. Philippines 54

🧬 Ancestry 2021 Census

Top ancestries reported (people may report up to two)

English 4,625
Australian 3,344
Scottish 993
Irish 879
German 820
Italian 361
Chinese 325
Dutch 236
Indian 220
Polish 168

👨‍👩‍👧 Parents' Birthplace 2021 Census

5,025
Both parents born in Australia
3,596
Both parents born overseas
1,375
One parent AU, one overseas

🛐 Religion 2021 Census

No Religion
51.1%
Christianity
41.3%
Islam
1.2%
Hinduism
1.0%
Buddhism
1.0%
Sikhism
0.5%
Judaism
0.2%

📊 Age Distribution 2021 Census

0-4 years
507 (5.0%)
5-14 years
1,261 (12.4%)
15-19 years
642 (6.3%)
20-24 years
594 (5.8%)
25-34 years
987 (9.7%)
35-44 years
1,321 (13.0%)
45-54 years
1,445 (14.2%)
55-64 years
1,410 (13.8%)
65-74 years
1,277 (12.5%)
75-84 years
586 (5.8%)
85+ years
157 (1.5%)

Nearby Suburbs

Frequently Asked Questions

What is Flagstaff Hill known for? +

Flagstaff Hill is a well-established residential suburb in Onkaparinga, SA, with a population of approximately 10,184 residents. The suburb is valued for its local schools, parks, and community facilities.

How far is Flagstaff Hill from Adelaide CBD? +

Flagstaff Hill is approximately 13 kilometres from Adelaide CBD, typically a 20-35 min drive outside peak hours.

Does Flagstaff Hill have public transport? +

Flagstaff Hill is served by local bus services connecting to the broader SA network. Nearby train stations provide access to Adelaide CBD.

What is the population of Flagstaff Hill? +

According to the 2021 Census, Flagstaff Hill has a population of approximately 10,184 residents.

Is Flagstaff Hill a good place to live? +

Flagstaff Hill offers a practical and liveable lifestyle with local schools, parks, and shopping. With a median income around $48,415, it attracts a broad demographic mix.

What is the postcode for Flagstaff Hill? +

The postcode for Flagstaff Hill, SA is 5159.

What is the average income in Flagstaff Hill? +

Based on the 2021 Census, the median personal income in Flagstaff Hill is about $844 per week (around $43,900 per year). The median household income is $2,080 per week and the median family income is $2,302 per week.

What is the median house price in Flagstaff Hill? +

As of March quarter 2026, the median house price is $1,086,250, up 20% year-on-year. Figures are based on Office of the Valuer-General SA — Metropolitan Median House Sales.

What is the age profile of Flagstaff Hill? +

The median age in Flagstaff Hill is 43. The largest age group is 45–54 (1,445 residents, around 14%). Around 24% of residents are under 20 and about 20% are aged 65 or older. (2021 Census)

How much is rent in Flagstaff Hill? +

In Flagstaff Hill, the median weekly rent is $385, and the median monthly mortgage repayment is $1,733 (2021 Census).