🔍

Seacombe Heights

SA 5047 • Greater Adelaide

1,549
Population (2021)
$99,684
Median Household Income
0.84 km²
Area
$380/wk
Median Rent
Family-FriendlyEstablishedSuburbanQuiet

About Seacombe Heights

Seacombe Heights is a quiet established suburb in Adelaide's southern metropolitan area, situated approximately 12 kilometres south of the Adelaide CBD within the City of Marion local government area. Covering less than a square kilometre, the suburb accommodates 1,549 residents in a predominantly low-density streetscape of freestanding houses. With a median household income of $1,917 per week and an average household size of 2.6 persons, Seacombe Heights is characterised by owner-occupying families and long-term residents seeking an affordable, well-located southern suburb.

The suburb is home to Seaview High School, a large secondary school serving the local and surrounding communities with a spacious irrigated oval popular with residents outside school hours. The O'Halloran Hill Recreation Park lies just to the south, offering bushwalking and nature trails on the edge of the urban fringe, while the Seacombe Heights Tennis Club on Grafton Street provides a focal point for recreational activity. The nearby Marion shopping precinct caters to most retail needs, and bus services connect residents to Noarlunga Centre and the broader Adelaide metropolitan network.

Seacombe Heights falls under postcode 5047 and is governed by Marion Council (LGA). For state elections, residents vote in the Davenport electorate.

📍 Location

State
South Australia
Postcode
5047
Urban Area
Marion - Central
LGA / Council
Marion
Federal Electorate
Boothby
State Electorate
Davenport
Type
Major Urban
Timezone
Adelaide (UTC+9:30)
Coordinates
-35.03°, 138.55°
Statistical Area
Greater Adelaide
Area
0.84 km²
Elevation
109m

🏷️ Property Prices March quarter 2026

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

🏡House
$1.23M
4 sales · YoY n/a

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)
$380
Median Mortgage (monthly)
$1,850
Avg Household Size
2.6 people
Median Age
40 years
Social Housing (% of dwellings)
0.9%

0 state housing + 5 community housing dwellings (ABS 2021 Census)

🚌 Transport & Commute

Nearest Train Stations

Oaklands Park
3.5 km
40 min

Bus Services

  • Adelaide Metro bus services — Noarlunga Centre / Adelaide CBD 30-45 min

Commute to Adelaide CBD

Distance
12 km
By Train
~30 min via Oaklands Park to Adelaide Station on Seaford Line
By Car (Peak)
20-35 min
By Car (Off-Peak)
15-20 min

🛣️ South Road and Diagonal Road provide main arterial access; Marion Shopping Centre approx 3km north

Walkability Car-Dependent

Primarily a residential suburb with limited local shops; most errands require driving to nearby shopping precincts

🛒 Supermarkets Nearby

No major supermarkets listed for this suburb.

🎓 Schools

🎓 Educational Institution Attending 2021 Census

School Sector Breakdown

👥 Demographics

Census 2016
1,486
Census 2021
1,549
▲ 4.2% growth

Population Growth

Gender Distribution (Census 2021)

Personal Income 2016
$35,048
Personal Income 2021
$42,380
▲ 20.9% 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
$42,380 / yr
$815/wk
Household
$99,684 / yr
$1917/wk
Family
$111,436 / yr
$2143/wk

Personal Income Comparison (2016 vs 2021)

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

🌍 Country of Birth 2021 Census

Born in Australia 1,081
Born Overseas 438

Top Countries of Birth (excl. Australia)

  • 1. England 110
  • 2. India 50
  • 3. China 30
  • 4. Greece 18
  • 5. Germany 16
  • 6. South Africa 16
  • 7. Italy 14
  • 8. Nepal 14
  • 9. Scotland 12
  • 10. New Zealand 11

🧬 Ancestry 2021 Census

Top ancestries reported (people may report up to two)

English 643
Australian 483
Scottish 161
Irish 158
German 116
Chinese 77
Italian 63
Indian 59
Greek 56
Dutch 33

👨‍👩‍👧 Parents' Birthplace 2021 Census

731
Both parents born in Australia
547
Both parents born overseas
231
One parent AU, one overseas

🛐 Religion 2021 Census

No Religion
52.9%
Christianity
35.5%
Hinduism
2.9%
Buddhism
1.7%
Islam
1.4%
Sikhism
0.3%

📊 Age Distribution 2021 Census

0-4 years
96 (6.2%)
5-14 years
196 (12.7%)
15-19 years
96 (6.2%)
20-24 years
70 (4.5%)
25-34 years
192 (12.4%)
35-44 years
217 (14.0%)
45-54 years
223 (14.4%)
55-64 years
167 (10.8%)
65-74 years
151 (9.7%)
75-84 years
118 (7.6%)
85+ years
29 (1.9%)

Nearby Suburbs

Frequently Asked Questions

What is Seacombe Heights known for? +

Seacombe Heights is known as a quiet established residential suburb in Adelaide's City of Marion, featuring Seaview High School and easy access to the O'Halloran Hill Recreation Park for bushwalking and outdoor activities.

How far is Seacombe Heights from Adelaide CBD? +

Seacombe Heights is approximately 12 kilometres south of the Adelaide CBD, roughly a 15–35 minute drive depending on traffic via South Road or Diagonal Road.

Does Seacombe Heights have public transport? +

Seacombe Heights is served by Adelaide Metro bus services connecting to Noarlunga Centre and the city. The nearest train station is Oaklands Park (Seaford Line), approximately 3.5 kilometres away, providing rail access to Adelaide City.

What is the population of Seacombe Heights? +

According to the 2021 Census, Seacombe Heights has a population of 1,549 residents. The suburb has a median age of 40 and an average household size of 2.6, consistent with a family-oriented, established residential area.

Is Seacombe Heights a good place to live? +

Seacombe Heights offers a peaceful suburban lifestyle with the convenience of Adelaide's southern amenities, including Westfield Marion nearby for shopping. It suits families and owner-occupiers who value established streetscapes, good schools, and proximity to open green space.

What is the postcode for Seacombe Heights? +

The postcode for Seacombe Heights is 5047.

What is the average income in Seacombe Heights? +

Based on the 2021 Census, the median personal income in Seacombe Heights is about $815 per week (around $42,400 per year). The median household income is $1,917 per week and the median family income is $2,143 per week.

What is the median house price in Seacombe Heights? +

As of March quarter 2026, the median house price is $1,230,000. Figures are based on Office of the Valuer-General SA — Metropolitan Median House Sales.

What is the age profile of Seacombe Heights? +

The median age in Seacombe Heights is 40. The largest age group is 45–54 (223 residents, around 14%). Around 25% of residents are under 20 and about 19% are aged 65 or older. (2021 Census)

How much is rent in Seacombe Heights? +

In Seacombe Heights, the median weekly rent is $380, and the median monthly mortgage repayment is $1,850 (2021 Census).