Seacliff Park, SA: suburb profile

The population of Seacliff Park SA is 2,644 according to the 2021 Census. The median personal income in Seacliff Park is $856 per week ($44,512 per year). Median rent in Seacliff Park is $370 per week ($1,603 per month). Seacliff Park has a median age of 41 years, older than the national median of 38. Seacliff Park has a population density of 1,156 people per km².

The most common overseas birthplace in Seacliff Park is England. The most common religion is No religion (51.4% of residents). After English, the most spoken language is Persian (excluding Dari). The median monthly mortgage repayment in Seacliff Park is $1,800.

There were 38 recorded offences in Seacliff Park in 2025-26, a rate of 14 offences per 1,000 people. The most common offence category was theft (19 offences).

Population
2,644
Census 2021
Median income
$856/wk
Personal, Census 2021
Median rent
$370/wk
Weekly, Census 2021
Median age
41years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from SA Government Open Data (data.sa.gov.au), 2025-26.

Seacliff Park vs the typical SA suburb

The median personal income in Seacliff Park is $856 a week, 13% above the typical SA suburb ($759). That ranks 175th of 710 SA suburbs with 200 or more residents. Median rent is $370 a week, $70 more than the typical SA suburb. Rent takes 21.9% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 41, 2 years younger than in the typical SA suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureSeacliff ParkTypical SADifferenceTypical Australia
Personal income$856/wk$759/wk +13%$766/wk
Household income$1,693/wk$1,494/wk +13%$1,637/wk
Rent$370/wk$300/wk +23%$330/wk
Mortgage repayment$1,800/mo$1,534/mo +17%$1,733/mo
Median age4143 −2 yrs42
Rent share of household income21.9%19.5% +2.4 pts20.3%
Income, rent and mortgage against the typical suburb Valid: Census 2021 · Source: ABS, calculated by GDP.com.au
Bar chart of median income, rent and mortgage repayment in Seacliff Park, the typical SA suburb and the typical Australian suburb.

Seacliff Park Population

2,644 residents at the 2021 Census.

Seacliff Park Median Income & Rent

Median Income
$856/wk
$44,512 per year
Ranked 2,680 of 14,663
Median Rent
$370/wk
$1,603 per month
Ranked 2,711 of 14,663
Median Age
41years
3 years older than the national median
Mortgage
$1,800/mo
Avg household size: 2.4 · 0.7 per bedroom

Valid: Census 2021 · Source: ABS Census of Population and Housing.

Seacliff Park Rent Prices & Affordability

22% of median household income goes on median rent

Marks at 25% and 35%. Band: affordable.

Household income $1,693/wk
Median rent $370/wk
Rent to income 21.9%

Rent is under 25% of household income, generally considered affordable.

Median rent in Seacliff Park against your income

About $7,336 a month
Median rent $370/wk
Left after rent $1,323/wk
Rent share 21.9%

Seacliff Park Schools

10
schools nearby
7
government
1054
avg ICSEA score
5,065
total students
Seacliff Primary School Government
Primary · R-6 · 356 students
1094
ICSEA
Sunrise Christian School Marion Independent
Combined · R-9 · 320 students
1090
ICSEA
Stella Maris Parish School Catholic
Primary · R-6 · 429 students
1086
ICSEA
Brighton Primary School Government
Primary · U, R-6 · 726 students
1077
ICSEA
IQRA College Independent
Combined · R-12 · 734 students
1067
ICSEA
Hallett Cove East Primary School Government
Primary · R-6 · 325 students
1056
ICSEA
Seaview Downs Primary School Government
Primary · R-6 · 324 students
1051
ICSEA
Seaview High School Government
Secondary · U, 7-12 · 1,377 students
1038
ICSEA
Sheidow Park Primary School Government
Primary · R-6 · 290 students
1020
ICSEA
Darlington Primary School Government
Primary · U, R-6 · 184 students
964
ICSEA

Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).

All schools near Seacliff Park, with a map

Seacliff Park Map

Seacliff Park, South Australia Map data: OpenStreetMap
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Seacliff Park, South Australia: 35.0426°S, 138.5295°E

Seacliff Park Circle size: offences per 1,000 residents Schools (10)

People in Seacliff Park

Demographics

Gender Split

Male 48.0% (1,268) Female 52.0% (1,373)

Population Density

1,156
people per km²
2,644 people · 2.3 km²

Households

2.4
Avg household size
0.7
Persons per bedroom
$2,193
Family income/wk

Age Distribution

0-4
5-9
10-14
15-19
20-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65-69
70-74
75-79
80-84
85+
Male Female

Source: ABS Census 2021, Suburb and Locality (SAL)

Most common overseas birthplaces

England
8.9%
Iran
1.6%
New Zealand
1.4%
Scotland
1.1%
Germany
1.0%
India
1.0%
South Africa
1.0%

Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL

Most common languages at home other than English

Persian (excluding Dari)
2.2%
Mandarin
0.8%
German
0.7%
Cantonese
0.5%
Italian
0.5%
Polish
0.5%
Russian
0.5%

Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL

Ancestry

English
43.6%
Australian
36.8%
Scottish
10.7%
Irish
8.9%
German
8.2%
Italian
3.7%
Chinese
2.3%
Dutch
1.8%
Polish
1.7%
Australian Aboriginal
1.2%
Indian
1.1%

Shares are of the suburb population. People can report up to two ancestries, so shares add to more than 100%. Source: ABS Census 2021, G08 Ancestry by SAL

Religion

No religion
51.4%
Catholic
15.4%
Anglican
9.4%
Not stated
5.8%
Uniting Church
4.3%
Christian (other)
2.2%
Other religions
2.0%
Other religious groups
1.7%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

1.2%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
47.0% 1,024
Separated
3.1% 68
Divorced
10.9% 238
Widowed
5.3% 116
Never married
33.7% 734

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
43.1%
Couple: no children
28.8%
Couple: no children under 15
14.7%
One parent: no children under 15
7.9%
One parent: children under 15
5.4%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
25.9%
2 persons
35.5%
3 persons
16.6%
4 persons
14.7%
5 persons
4.6%
6+ persons
2.8%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Seacliff Park

Housing Tenure

Of the 1,041 occupied private dwellings in Seacliff Park at the 2021 Census, 20.7% were rented, 36.9% owned outright and 40.5% owned with a mortgage.

Other tenure type
1.2% 13 dwellings
Owned outright
36.9% 384 dwellings
Owned with mortgage
40.5% 422 dwellings
Rented
20.7% 215 dwellings
Tenure type not stated
0.3% 3 dwellings

Source: ABS Census 2021, Suburb and Locality (SAL)

Dwelling Types

Separate house
86.7%
Semi-detached (1 storey)
12.3%
Semi-detached (2+ storey)
1.0%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
0.7%
2 bedrooms
16.1%
3 bedrooms
54.3%
4 bedrooms
24.9%
5 bedrooms
3.6%
6+ bedrooms
0.5%

Source: ABS Census 2021, G41 Number of Bedrooms by SAL

Monthly Mortgage Repayments

$0-$299/mo
4.3%
$300-$449/mo
1.1%
$600-$799/mo
4.9%
$800-$999/mo
3.8%
$1,000-$1,399/mo
15.7%
$1,400-$1,799/mo
23.2%
$1,800-$2,399/mo
27.3%
$2,400-$2,999/mo
11.1%
$3,000-$3,999/mo
8.6%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
4.6%
1 vehicle
34.4%
2 vehicles
41.4%
3 vehicles
13.3%
4+ vehicles
6.2%

Source: ABS Census 2021, G34 Motor Vehicles per Dwelling by SAL

Work, income and education in Seacliff Park

Employment

Employed full-time
38.9% 791 people
Employed part-time
24.6% 500 people
Unemployed
3.2% 66 people
Not in labour force
33.3% 679 people

Source: ABS Census 2021, G46 Labour Force Status by SAL

Occupation

Professionals
33.8%
Managers
16.2%
Technicians & Trade Workers
15.2%
Community & Personal Service
12.8%
Clerical & Administrative
10.7%
Sales Workers
4.5%
Labourers
4.2%
Machinery Operators & Drivers
2.6%

Source: ABS Census 2021, G51 Industry of Employment by Occupation

Weekly Household Income

Nil/Negative/wk
1.1%
$1-$149/wk
0.4%
$150-$299/wk
0.8%
$300-$399/wk
1.5%
$400-$499/wk
5.7%
$500-$649/wk
5.6%
$650-$799/wk
5.8%
$800-$999/wk
7.0%
$1,000-$1,249/wk
8.3%
$1,250-$1,499/wk
8.8%
$1,500-$1,749/wk
6.0%
$1,750-$1,999/wk
5.5%
$2,000-$2,499/wk
10.6%
$2,500-$2,999/wk
10.0%
$3,000-$3,499/wk
7.3%
$3,500-$3,999/wk
3.8%
$4,000+/wk
11.4%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
6.9%
$1-$149/wk
4.6%
$150-$299/wk
6.3%
$300-$399/wk
2.8%
$400-$499/wk
3.7%
$500-$649/wk
4.9%
$650-$799/wk
9.9%
$800-$999/wk
10.4%
$1,000-$1,249/wk
11.3%
$1,250-$1,499/wk
9.2%
$1,500-$1,749/wk
8.7%
$1,750-$1,999/wk
6.3%
$2,000-$2,999/wk
10.8%
$3,000-$3,499/wk
1.9%
$3,500+/wk
2.3%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
74.7%
Did not go to work
14.4%
Train
3.6%
Car (passenger)
3.4%
Walked only
1.0%
Bus
0.9%
Other
0.7%
Bicycle
0.6%
Motorbike/Scooter
0.4%
Taxi/Rideshare
0.3%

Source: ABS Census 2021, G62 Method of Travel to Work by SAL

Education Level

Year 12 or equivalent
66.3%
Year 11 or equivalent
17.2%
Year 10 or equivalent
13.9%
Year 9 or equivalent
2.6%

Shares are of people whose highest year of school is Year 9 to 12 only. Source: ABS Census 2021, G16 Highest Year of School by SAL

Qualifications

Certificate III/IV
31.9%
Bachelor Degree
31.5%
Advanced Diploma/Diploma
18.7%
Postgraduate Degree
10.9%
Graduate Diploma/Certificate
4.5%
Certificate I/II
2.5%

Source: ABS Census 2021, G49 Non-School Qualification by SAL

Field of Study

Management & Commerce
21.5%
Health
15.0%
Society & Culture
14.0%
Engineering
12.5%
Education
11.4%
Architecture & Building
8.4%
Food, Hospitality & Personal Services
4.7%
Natural & Physical Sciences
4.3%
Creative Arts
3.6%
Agriculture & Environment
2.8%
Information Technology
1.8%

Source: ABS Census 2021, G51 Field of Study by SAL

School & University Attendance

Primary: Government
31.9%
Secondary: Government
20.3%
Pre-school
13.2%
Vocational Education
10.0%
Secondary: Catholic
9.6%
Primary: Catholic
7.5%
Primary: Other Non-Govt
4.3%
Secondary: Other Non-Govt
3.3%

Source: ABS Census 2021, G15 Type of Educational Institution by SAL

More from the 2021 Census

Need for Assistance

Does not have need for assistance
91.8%
Has need for assistance
5.0%
Need for assistance not stated
3.2%

Source: ABS Census 2021, G18 Core Activity Need for Assistance by SAL

Long-term Health Conditions

Mental health
217
Asthma
92
Arthritis
83
Diabetes
61
Heart disease
52
Cancer
52
Lung condition
48
Kidney disease
27
Stroke
22

Source: ABS Census 2021, G19 Long-term Health Conditions by SAL

Unpaid Carers

Provided unpaid assistance
14.5% 306
Did not provide
85.5% 1,811

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
17.6% 372
Not a volunteer
82.4% 1,736

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
3.2% 67
Never served
96.8% 2,045

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
33.3%
1 child
15.3%
2 children
30.6%
3 children
17.3%
4 children
3.5%

Source: ABS Census 2021, G28 Children Ever Born by SAL

When Migrants Arrived

Before 1951
7
1951: 1960
52
1961: 1970
85
1971: 1980
67
1981: 1990
61
1991: 2000
67
2001: 2010
161
2011: 2015
83
2016
15
2017
13
2018
12
2019
30
2020
14
2021
3

Source: ABS Census 2021, G10 Year of Arrival by SAL

Population Mobility

11.3%
moved in the last year
39.0%
moved in the last 5 years
4.6%
unemployment rate (Census)
65.8%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
2,251
Moved from SA
221
Moved from overseas
21
Moved: same area (SA2)
21
Moved from VIC
6
Moved from WA
5
Moved from QLD
3
Moved from NSW
3

Source: ABS Census 2021, G44 Address 1 Year Ago by SAL

Unpaid Domestic Work

Less than 5 hours
22.1%
5: 14 hours
33.6%
15: 29 hours
14.6%
30+ hours
8.9%
Did not do domestic work
20.8%

Source: ABS Census 2021, G24 Unpaid Domestic Work by SAL

Family Blending

Intact family: no other children
87.8%
Step family: no other children
7.8%
Blended family: no other children
4.4%

Source: ABS Census 2021, G31 Family Blending by SAL

Seacliff Park Crime Statistics

38 reported offences in 2025-26, by category.

Theft
19
Assault
9
Break & Enter
4
Property Damage
4
Fraud
2

Total offences by year

2021
2022
2023
2024
2025

Source: SA Government Open Data (data.sa.gov.au).

Cheaper alternatives with similar incomes

Risdon Park South
Income: $713/wk Rent: $185/wk $185/wk less rent
Renmark West
Income: $788/wk Rent: $200/wk $170/wk less rent
Paringa
Income: $800/wk Rent: $200/wk $170/wk less rent
Old Noarlunga
Income: $704/wk Rent: $305/wk $65/wk less rent
Echunga
Income: $887/wk Rent: $320/wk $50/wk less rent
Sellicks Beach
Income: $745/wk Rent: $320/wk $50/wk less rent
Evanston Park
Income: $713/wk Rent: $330/wk $40/wk less rent
Maylands (SA)
Income: $1,018/wk Rent: $338/wk $32/wk less rent

Suburbs near Seacliff Park

The closest suburb to Seacliff Park is Seaview Downs, 0.8 km away.

Seaview Downs
0.8 km away · income $796/wk · rent $385/wk
Seacliff
1.3 km away · income $948/wk · rent $350/wk
Marino
1.6 km away · income $932/wk · rent $400/wk
Seacombe Heights
1.8 km away · income $815/wk · rent $380/wk
South Brighton
1.9 km away · income $820/wk · rent $335/wk
Dover Gardens
2.2 km away · income $728/wk · rent $339/wk

Compare Seacliff Park

Frequently Asked Questions About Seacliff Park

What is the population of Seacliff Park SA?

The population of Seacliff Park SA is 2,644 according to the ABS Census 2021. The suburb has a population density of 1,156 people per km². Seacliff Park is ranked #2,629 out of 14,663 suburbs by population.

What is the median income in Seacliff Park?

The median personal income in Seacliff Park SA is $856 per week, or $44,512 per year. The median household income is $1,693 per week. Family income is $2,193 per week. Seacliff Park is ranked #2,680 by income out of 14,663 Australian suburbs.

How much is rent in Seacliff Park?

Median rent in Seacliff Park SA is $370 per week ($1,603 per month). Rent represents 21.9% of household income, which is considered affordable. Seacliff Park ranks #2,711 out of 14,663 suburbs by rent.

What are mortgage repayments in Seacliff Park?

The median monthly mortgage repayment in Seacliff Park SA is $1,800. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Seacliff Park?

The median age in Seacliff Park SA is 41 years. This is older than the national median age of 38 years.

Is Seacliff Park a good suburb to live in?

Seacliff Park is a suburb in South Australia with a population of 2,644. The median income is $856/wk, which is above the typical SA suburb ($759/wk). Rent affordability is rated as affordable (21.9% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Adelaide Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41312. All dollar figures in AUD.