🔍

Seacliff

SA 5049 • Greater Adelaide

2,117
Population (2021)
$100,412
Median Household Income
0.73 km²
Area
$350/wk
Median Rent
BeachsideCoastalAffluentFamily-FriendlyEstablished

About Seacliff

Seacliff is a compact beachside suburb located approximately 18 kilometres south of the Adelaide CBD on the Fleurieu Peninsula coast, within the City of Holdfast Bay local government area. With a population of 2,117 and a median age of 46, it is a well-established, predominantly owner-occupied community with above-average household incomes of around $1,931 per week — reflecting the premium placed on its coastal lifestyle and proximity to Seacliff Beach. The suburb has a notable proportion of British-born residents, particularly from England, contributing to its distinct community character.

Seacliff is defined by its easy beach access, with the white sands of Seacliff Beach and the broader Holdfast Bay coastline a short walk from most homes. The suburb is well served by public transport, with Seacliff Railway Station providing direct access to the Adelaide CBD in approximately 30 minutes on the Seaford Line. Neighbouring Brighton's thriving café strip, restaurants, and retail precinct are minutes away, while the nearby Brighton and Seacliff Surf Life Saving Club is central to community life. The suburb appeals particularly to established families, retirees, and professionals seeking a relaxed coastal lifestyle within commuting distance of the city.

Seacliff falls under postcode 5049 and is governed by Holdfast Bay Council (LGA). For state elections, residents vote in the Black electorate.

📍 Location

State
South Australia
Postcode
5049
Urban Area
Holdfast Bay
LGA / Council
Holdfast Bay
Federal Electorate
Boothby
State Electorate
Black
Type
Major Urban
Timezone
Adelaide (UTC+9:30)
Coordinates
-35.03°, 138.52°
Statistical Area
Greater Adelaide
Area
0.73 km²
Elevation
34m

🏷️ Property Prices March quarter 2026

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

🏡House
$1.68M
11 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)
$350
Median Mortgage (monthly)
$1,950
Avg Household Size
2.4 people
Median Age
46 years
Social Housing (% of dwellings)
0.7%

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

🚌 Transport & Commute

Nearest Train Stations

Seacliff
0.5 km
6 min
Brighton
1.2 km
15 min

Bus Services

  • Adelaide Metro bus routes — Brighton Road corridor and Glenelg 15-30 min

Commute to Adelaide CBD

Distance
18 km
By Train
Approx. 30 min to Adelaide Station via Seaford Line from Seacliff Station
By Car (Peak)
25-40 min
By Car (Off-Peak)
20-25 min

🛣️ Seacliff Station provides frequent direct rail; Brighton Road also connects to South Road arterial

Walkability Somewhat Walkable

Beach, train station, and local shops are walkable; larger shopping requires a short drive to Brighton or Marion

🛒 Supermarkets Nearby

No major supermarkets listed for this suburb.

🎓 Schools

🎓 Educational Institution Attending 2021 Census

School Sector Breakdown

👥 Demographics

Census 2016
1,957
Census 2021
2,117
▲ 8.2% growth

Population Growth

Gender Distribution (Census 2021)

Personal Income 2016
$44,460
Personal Income 2021
$49,296
▲ 10.9% 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
$49,296 / yr
$948/wk
Household
$100,412 / yr
$1931/wk
Family
$122,928 / yr
$2364/wk

Personal Income Comparison (2016 vs 2021)

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

🌍 Country of Birth 2021 Census

Born in Australia 1,552
Born Overseas 485

Top Countries of Birth (excl. Australia)

  • 1. England 194
  • 2. Scotland 26
  • 3. Ireland 21
  • 4. South Africa 19
  • 5. United States 17
  • 6. New Zealand 16
  • 7. Germany 13
  • 8. Canada 12
  • 9. Netherlands 11
  • 10. China 10

🧬 Ancestry 2021 Census

Top ancestries reported (people may report up to two)

English 999
Australian 668
Irish 262
Scottish 255
German 174
Italian 91
Dutch 48
Polish 38
Chinese 31
Greek 24

👨‍👩‍👧 Parents' Birthplace 2021 Census

1,121
Both parents born in Australia
616
Both parents born overseas
305
One parent AU, one overseas

🛐 Religion 2021 Census

No Religion
53.8%
Christianity
38.7%
Islam
0.7%
Buddhism
0.7%
Hinduism
0.5%
Sikhism
0.1%

📊 Age Distribution 2021 Census

0-4 years
109 (5.1%)
5-14 years
227 (10.7%)
15-19 years
109 (5.1%)
20-24 years
97 (4.6%)
25-34 years
206 (9.7%)
35-44 years
277 (13.1%)
45-54 years
271 (12.8%)
55-64 years
343 (16.2%)
65-74 years
324 (15.3%)
75-84 years
115 (5.4%)
85+ years
39 (1.8%)

Nearby Suburbs

Frequently Asked Questions

What is Seacliff known for? +

Seacliff is known for its beautiful beach, relaxed coastal lifestyle, and its position within the popular Holdfast Bay strip — a stretch of southern Adelaide suburbs celebrated for white sandy beaches, surf lifesaving clubs, and a strong community atmosphere.

How far is Seacliff from Adelaide CBD? +

Seacliff is approximately 18 kilometres south of the Adelaide CBD, a drive of around 20–40 minutes depending on traffic, or about 30 minutes by train on the Seaford Line.

Does Seacliff have public transport? +

Yes — Seacliff has its own railway station on Adelaide's Seaford Line, with regular services to Adelaide Station (City) taking approximately 30 minutes. Adelaide Metro bus routes also serve the suburb along Brighton Road.

What is the population of Seacliff? +

According to the 2021 Census, Seacliff has a population of 2,117 residents, up from 1,957 in 2016, reflecting growing demand for its coastal lifestyle. The median age is 46.

Is Seacliff a good place to live? +

Seacliff is widely regarded as one of southern Adelaide's most desirable suburbs, offering direct beach access, good public transport via the Seaford Line, and proximity to Brighton's café and restaurant strip — making it ideal for families, professionals, and retirees who value coastal living with city connectivity.

What is the postcode for Seacliff? +

The postcode for Seacliff, SA is 5049, which also covers the adjacent suburb of Seacliff Park.

What is the average income in Seacliff? +

Based on the 2021 Census, the median personal income in Seacliff is about $948 per week (around $49,300 per year). The median household income is $1,931 per week and the median family income is $2,364 per week.

What is the median house price in Seacliff? +

As of March quarter 2026, the median house price is $1,681,500. Figures are based on Office of the Valuer-General SA — Metropolitan Median House Sales.

What is the age profile of Seacliff? +

The median age in Seacliff is 46. The largest age group is 55–64 (343 residents, around 16%). Around 21% of residents are under 20 and about 23% are aged 65 or older. (2021 Census)

How much is rent in Seacliff? +

In Seacliff, the median weekly rent is $350, and the median monthly mortgage repayment is $1,950 (2021 Census).