O'Sullivan Beach, SA: suburb profile

The population of O'Sullivan Beach SA is 1,844 according to the 2021 Census. The median personal income in O'Sullivan Beach is $599 per week ($31,148 per year). Median rent in O'Sullivan Beach is $300 per week ($1,300 per month). O'Sullivan Beach has a median age of 44 years, older than the national median of 38. O'Sullivan Beach has a population density of 990 people per km².

The most common overseas birthplace in O'Sullivan Beach is England. The most common religion is No religion (59.9% of residents). After English, the most spoken language is German. The median monthly mortgage repayment in O'Sullivan Beach is $1,200.

There were 59 recorded offences in O'Sullivan Beach in 2025-26, a rate of 32 offences per 1,000 people. The most common offence category was assault (23 offences).

Population
1,844
Census 2021
Median income
$599/wk
Personal, Census 2021
Median rent
$300/wk
Weekly, Census 2021
Median age
44years
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.

O'Sullivan Beach vs the typical SA suburb

The median personal income in O'Sullivan Beach is $599 a week, 21% below the typical SA suburb ($759). That ranks 567th of 710 SA suburbs with 200 or more residents. Median rent is $300 a week, the same as the typical SA suburb. Rent takes 28.0% of the median household income here, against 19.5% in the typical SA suburb. The median resident is 44, 1 year older 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.
MeasureO'Sullivan BeachTypical SADifferenceTypical Australia
Personal income$599/wk$759/wk −21%$766/wk
Household income$1,072/wk$1,494/wk −28%$1,637/wk
Rent$300/wk$300/wk 0%$330/wk
Mortgage repayment$1,200/mo$1,534/mo −22%$1,733/mo
Median age4443 +1 yrs42
Rent share of household income28.0%19.5% +8.5 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 O'Sullivan Beach, the typical SA suburb and the typical Australian suburb.

O'Sullivan Beach Population

1,844 residents at the 2021 Census.

O'Sullivan Beach Median Income & Rent

Median Income
$599/wk
$31,148 per year
Ranked 7,096 of 14,663
Median Rent
$300/wk
$1,300 per month
Ranked 4,529 of 14,663
Median Age
44years
6 years older than the national median
Mortgage
$1,200/mo
Avg household size: 2.2 · 0.7 per bedroom

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

O'Sullivan Beach Rent Prices & Affordability

28% of median household income goes on median rent

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

Household income $1,072/wk
Median rent $300/wk
Rent to income 28.0%

Rent is between 25% and 35% of household income: moderate housing costs.

Median rent in O'Sullivan Beach against your income

About $4,645 a month
Median rent $300/wk
Left after rent $772/wk
Rent share 28.0%

O'Sullivan Beach Schools

16
schools nearby
9
government
965
avg ICSEA score
4,785
total students
Southern Montessori School Independent
Primary · R-9 · 230 students
1095
ICSEA
St John The Apostle Parish School Catholic
Primary · R-6 · 334 students
1021
ICSEA
Cardijn College Catholic
Secondary · R-12 · 2,247 students
1019
ICSEA
Port Noarlunga Primary School Government
Primary · R-6 · 370 students
999
ICSEA
FAME - Flexible Accredited Meaningful Engagement Catholic
Secondary · 7-12 · 137 students
952
ICSEA
Lonsdale Heights Primary School Government
Primary · U, R-6 · 71 students
949
ICSEA
Noarlunga Downs Primary School Government
Primary · U, R-6 · 124 students
937
ICSEA
O'Sullivan Beach Primary School Government
Primary · R-6 · 84 students
926
ICSEA
Christie Downs Primary School Government
Primary · U, R-6 · 205 students
925
ICSEA
Christies Beach High School Government
Secondary · U, 7-12 · 789 students
905
ICSEA
Christies Beach Primary School Government
Primary · U, R-6 · 194 students
889
ICSEA
Cardijn College - Marcellin Campus Catholic
Secondary
Sports College South Australia - South Adelaide Football Club Campus Independent
Secondary
Bowden Brompton Community School - Torrens Road Campus Government
Combined
FAME - Flexible Accredited Meaningful Engagement - Wardli Youth Centre Catholic
Secondary

Showing 15 of 16 schools.

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

All schools near O'Sullivan Beach, with a map

O'Sullivan Beach Map

O'Sullivan Beach, South Australia Map data: OpenStreetMap
Loading map…

O'Sullivan Beach, South Australia: 35.1220°S, 138.4763°E

O'Sullivan Beach Circle size: offences per 1,000 residents Schools (16)

People in O'Sullivan Beach

Demographics

Gender Split

Male 51.1% (942) Female 48.9% (901)

Population Density

990
people per km²
1,844 people · 1.9 km²

Households

2.2
Avg household size
0.7
Persons per bedroom
$1,367
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
8.5%
Germany
1.4%
New Zealand
1.2%
South Africa
1.0%
Scotland
0.8%
China
0.5%
Netherlands
0.5%

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

Most common languages at home other than English

German
0.7%
Afrikaans
0.7%
Italian
0.5%
Hindi
0.4%
Australian Indigenous Languages
0.3%
Greek
0.3%
Cantonese
0.2%

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

Ancestry

English
49.4%
Australian
39.9%
Scottish
9.5%
Irish
9.2%
German
8.5%
Australian Aboriginal
4.0%
Italian
2.8%
Dutch
2.0%
Welsh
1.0%
Greek
1.0%
Polish
1.0%

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
59.9%
Catholic
9.0%
Anglican
7.6%
Not stated
7.0%
Uniting Church
4.4%
Christian (other)
2.9%
Lutheran
1.8%
Baptist
1.4%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

4.2%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
36.9% 578
Separated
3.4% 53
Divorced
14.0% 220
Widowed
6.1% 96
Never married
39.6% 621

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: no children
32.3%
Couple: children under 15
28.9%
Couple: no children under 15
14.4%
One parent: children under 15
12.8%
One parent: no children under 15
11.6%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
33.2%
2 persons
37.7%
3 persons
16.0%
4 persons
8.6%
5 persons
3.1%
6+ persons
1.5%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in O'Sullivan Beach

Housing Tenure

Of the 816 occupied private dwellings in O'Sullivan Beach at the 2021 Census, 29.3% were rented, 33.6% owned outright and 34.8% owned with a mortgage.

Owned outright
33.6% 274 dwellings
Owned with mortgage
34.8% 284 dwellings
Rented
29.3% 239 dwellings
Tenure type not stated
2.2% 18 dwellings

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

Dwelling Types

Separate house
93.2%
Semi-detached (1 storey)
6.2%
Semi-detached (2+ storey)
0.6%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
2.6%
2 bedrooms
9.3%
3 bedrooms
76.1%
4 bedrooms
10.6%
5 bedrooms
1.0%
6+ bedrooms
0.4%

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

Monthly Mortgage Repayments

$0-$299/mo
4.3%
$300-$449/mo
3.9%
$450-$599/mo
3.1%
$600-$799/mo
10.1%
$800-$999/mo
11.6%
$1,000-$1,399/mo
35.7%
$1,400-$1,799/mo
21.7%
$1,800-$2,399/mo
6.6%
$2,400-$2,999/mo
1.6%
$3,000-$3,999/mo
1.6%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
7.0%
1 vehicle
43.1%
2 vehicles
34.1%
3 vehicles
10.9%
4+ vehicles
5.0%

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

Work, income and education in O'Sullivan Beach

Employment

Employed full-time
28.6% 416 people
Employed part-time
18.9% 275 people
Unemployed
5.0% 73 people
Not in labour force
47.4% 689 people

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

Occupation

Technicians & Trade Workers
24.2%
Community & Personal Service
20.3%
Professionals
15.3%
Clerical & Administrative
11.4%
Managers
9.9%
Labourers
7.6%
Sales Workers
6.7%
Machinery Operators & Drivers
4.5%

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

Weekly Household Income

Nil/Negative/wk
1.3%
$1-$149/wk
0.8%
$150-$299/wk
1.7%
$300-$399/wk
4.4%
$400-$499/wk
9.3%
$500-$649/wk
5.6%
$650-$799/wk
14.0%
$800-$999/wk
9.6%
$1,000-$1,249/wk
10.0%
$1,250-$1,499/wk
11.1%
$1,500-$1,749/wk
6.0%
$1,750-$1,999/wk
5.1%
$2,000-$2,499/wk
8.4%
$2,500-$2,999/wk
5.7%
$3,000-$3,499/wk
3.2%
$3,500-$3,999/wk
1.5%
$4,000+/wk
2.3%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
8.5%
$1-$149/wk
3.7%
$150-$299/wk
8.5%
$300-$399/wk
10.2%
$400-$499/wk
5.9%
$500-$649/wk
4.6%
$650-$799/wk
12.3%
$800-$999/wk
13.5%
$1,000-$1,249/wk
11.6%
$1,250-$1,499/wk
8.4%
$1,500-$1,749/wk
5.6%
$1,750-$1,999/wk
3.1%
$2,000-$2,999/wk
2.8%
$3,000-$3,499/wk
0.4%
$3,500+/wk
0.8%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
75.8%
Did not go to work
12.6%
Car (passenger)
4.3%
Train
1.5%
Truck
1.4%
Motorbike/Scooter
1.4%
Bus
1.4%
Walked only
1.2%
Other
0.5%

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

Education Level

Year 12 or equivalent
43.7%
Year 10 or equivalent
25.2%
Year 11 or equivalent
22.4%
Year 9 or equivalent
8.8%

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
52.4%
Bachelor Degree
17.3%
Advanced Diploma/Diploma
17.3%
Certificate I/II
5.7%
Postgraduate Degree
4.5%
Graduate Diploma/Certificate
3.0%

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

Field of Study

Society & Culture
19.3%
Engineering
17.0%
Management & Commerce
15.7%
Health
10.9%
Architecture & Building
9.6%
Education
9.3%
Food, Hospitality & Personal Services
7.8%
Agriculture & Environment
3.9%
Information Technology
2.6%
Creative Arts
2.0%
Natural & Physical Sciences
2.0%

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

School & University Attendance

Primary: Government
34.3%
Secondary: Government
24.9%
Pre-school
10.5%
Vocational Education
9.4%
Primary: Catholic
7.6%
Primary: Other Non-Govt
5.4%
Secondary: Catholic
4.0%
Secondary: Other Non-Govt
4.0%

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
87.9%
Has need for assistance
7.6%
Need for assistance not stated
4.2%

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

Long-term Health Conditions

Mental health
259
Arthritis
101
Asthma
98
Diabetes
85
Heart disease
73
Lung condition
71
Cancer
48
Stroke
32
Kidney disease
27
Dementia
10

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

Unpaid Carers

Provided unpaid assistance
13.7% 205
Did not provide
86.3% 1,288

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
11.0% 164
Not a volunteer
89.0% 1,325

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Reserves
0.3% 5
Previously served
3.4% 51
Never served
96.3% 1,441

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
27.3%
1 child
16.9%
2 children
33.1%
3 children
16.3%
4 children
5.1%
5+ children
1.2%

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

When Migrants Arrived

Before 1951
8
1951: 1960
34
1961: 1970
115
1971: 1980
60
1981: 1990
28
1991: 2000
16
2001: 2010
47
2011: 2015
22
2016
7
2017
8
2018
4
2020
6

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

Population Mobility

9.3%
moved in the last year
34.8%
moved in the last 5 years
9.2%
unemployment rate (Census)
52.2%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
1,575
Moved from SA
110
Moved: same area (SA2)
27
Moved from VIC
10
Moved from NSW
8
Moved from WA
4

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

Unpaid Domestic Work

Less than 5 hours
21.8%
5: 14 hours
30.6%
15: 29 hours
12.3%
30+ hours
10.2%
Did not do domestic work
25.1%

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

Family Blending

Intact family: no other children
80.3%
Step family: no other children
10.8%
Blended family: no other children
7.0%
Intact family: other children present
1.9%

Source: ABS Census 2021, G31 Family Blending by SAL

O'Sullivan Beach Crime Statistics

59 reported offences in 2025-26, by category.

Assault
23
Theft
18
Property Damage
8
Break & Enter
7
Other Against Person
3

Total offences by year

2021
2022
2023
2024
2025

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

Cheaper alternatives with similar incomes

Solomontown
Income: $512/wk Rent: $195/wk $105/wk less rent
Novar Gardens
Income: $630/wk Rent: $165/wk $135/wk less rent
Queenstown (SA)
Income: $623/wk Rent: $270/wk $30/wk less rent
Balaklava
Income: $611/wk Rent: $227/wk $73/wk less rent
New Town (SA)
Income: $604/wk Rent: $242/wk $58/wk less rent
Gawler South
Income: $715/wk Rent: $260/wk $40/wk less rent
Oakden
Income: $649/wk Rent: $283/wk $17/wk less rent
Risdon Park South
Income: $713/wk Rent: $185/wk $115/wk less rent

Suburbs near O'Sullivan Beach

The closest suburb to O'Sullivan Beach is Christies Beach, 1.3 km away.

Christies Beach
1.3 km away · income $641/wk · rent $325/wk
Christie Downs
2.0 km away · income $493/wk · rent $250/wk
Port Noarlunga
3.5 km away · income $717/wk · rent $320/wk
Hackham West
4.2 km away · income $496/wk · rent $238/wk
Noarlunga Downs
4.5 km away · income $648/wk · rent $250/wk
Morphett Vale
4.6 km away · income $639/wk · rent $295/wk

Compare O'Sullivan Beach

Frequently Asked Questions About O'Sullivan Beach

What is the population of O'Sullivan Beach SA?

The population of O'Sullivan Beach SA is 1,844 according to the ABS Census 2021. The suburb has a population density of 990 people per km². O'Sullivan Beach is ranked #3,141 out of 14,663 suburbs by population.

What is the median income in O'Sullivan Beach?

The median personal income in O'Sullivan Beach SA is $599 per week, or $31,148 per year. The median household income is $1,072 per week. Family income is $1,367 per week. O'Sullivan Beach is ranked #7,096 by income out of 14,663 Australian suburbs.

How much is rent in O'Sullivan Beach?

Median rent in O'Sullivan Beach SA is $300 per week ($1,300 per month). Rent represents 28.0% of household income, which is considered moderate. O'Sullivan Beach ranks #4,529 out of 14,663 suburbs by rent.

What are mortgage repayments in O'Sullivan Beach?

The median monthly mortgage repayment in O'Sullivan Beach SA is $1,200. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in O'Sullivan Beach?

The median age in O'Sullivan Beach SA is 44 years. This is older than the national median age of 38 years.

Is O'Sullivan Beach a good suburb to live in?

O'Sullivan Beach is a suburb in South Australia with a population of 1,844. The median income is $599/wk, which is below the typical SA suburb ($759/wk). Rent affordability is rated as moderate (28.0% 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: 41062. All dollar figures in AUD.