South Australia · Suburb Profile

O'Sullivan Beach SA — Suburb Profile

Population, median income, rent prices, housing costs and demographics for O'Sullivan Beach, South Australia. ABS Census 2021.

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 990.5 people per km².

The most common overseas birthplace in O'Sullivan Beach is England. The most common religion is No Religion (64% of residents). After English, the most spoken language is Other. 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).

O'Sullivan Beach Map

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O'Sullivan Beach Population

residents (Census 2021)

Median Income

$599/wk

$31,148/yr

Median Rent

$300/wk

$1,300/mo

Median Age

44yrs

National: 38

Mortgage

$1,200/mo

Household size: —

O'Sullivan Beach Median Income & Rent

💰

Median Weekly Income

$599/wk

$31,148 per year

#7096 of 14,663

🏠

Median Weekly Rent

$300/wk

$1,300 per month

#4529 of 14,663

👤

Median Age

44years

6 years older than national median

🏡

Housing

$1,200/mo mortgage

Avg household size: —

O'Sullivan Beach Demographics

Gender Split

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

Population Density

990.5

people per km²

1,844 people · 1.9 km²

Households

—

Avg household size

—

Persons per bedroom

$1,367

Family income/wk

O'Sullivan Beach 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 & Locality (SAL)

O'Sullivan Beach Housing Tenure

🏠

Owned outright

49.1% 274 dwellings

🏦

Owned with mortgage

50.9% 284 dwellings

Source: ABS Census 2021 — Suburb & Locality (SAL)

O'Sullivan Beach Country of Birth

Australia

88.4%

England

8.4%

Germany

1.2%

Greece

0.7%

India

0.5%

Canada

0.4%

Iran

0.4%

Source: ABS Census 2021 G09 — Country of Birth by SAL

O'Sullivan Beach Religion

No Religion

63.6%

Catholic

9.6%

Anglican

8.1%

Not stated

7.5%

Uniting Church

4.7%

Christian (other)

3.1%

Lutheran

2.0%

Baptist

1.5%

Source: ABS Census 2021 G14 — Religion by SAL

O'Sullivan Beach 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%

Source: ABS Census 2021 G16 — Highest Year of School by SAL

O'Sullivan Beach Languages Spoken at Home

Other

38.9%

Afrikaans

19.4%

Australian Indigenous

16.7%

German

16.7%

Persian ED

8.3%

Source: ABS Census 2021 G13 — Language Spoken at Home by SAL

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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach Ancestry

English

37.1%

Australian

30.0%

Scottish

7.1%

Irish

6.9%

German

6.4%

Other

3.6%

Aboriginal Australianralian

3.0%

Italian

2.1%

Dutch

1.5%

Welsh

0.8%

Greek

0.7%

Polish

0.7%

Source: ABS Census 2021 G08 — Ancestry by SAL

O'Sullivan Beach 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

O'Sullivan Beach Need for Assistance

♿

Needs assistance

8.0% 282

✅

No need for assistance

92.0% 3,251

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

O'Sullivan Beach Volunteering

🤝

Volunteer

11.0% 164

—

Not a volunteer

89.0% 1,325

Source: ABS Census 2021 G23 — Voluntary Work by SAL

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach Indigenous Population

4.3%

Aboriginal & Torres Strait Islander

153

Indigenous residents

3,371

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

O'Sullivan Beach Long-term Health Conditions

Mental health

259

Arthritis

101

Asthma

Diabetes

Heart disease

Lung condition

Cancer

Stroke

Kidney disease

Dementia

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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach Unpaid Carers

🤲

Provided unpaid assistance

13.7% 205

—

Did not provide

86.3% 1,288

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

O'Sullivan Beach 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

O'Sullivan Beach When Migrants Arrived

Before 1951

1951–1960

1961–1970

115

1971–1980

1981–1990

1991–2000

2001–2010

2011–2015

2016

2017

2018

2020

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

O'Sullivan Beach 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

O'Sullivan Beach 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

O'Sullivan Beach Where Residents Moved From

Same address

1,575

Moved from SA

110

Moved — same area (SA2)

Moved from VIC

Moved from NSW

Moved from WA

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

O'Sullivan Beach 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

Reported offences in 2025-26 — 59 total

Assault

Theft

Property Damage

Break & Enter

Other Against Person

Offence trend by year:

2021

2022

2023

2024

2025

Source: SA Government Open Data — data.sa.gov.au

O'Sullivan Beach Schools

schools nearby

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

View all schools in O'Sullivan Beach with map →

O'Sullivan Beach Rent Prices & Affordability

28%

of income

Moderate

Household Income $1,072/wk

Median Rent $300/wk

Rent-to-Income 28.0%

Rent is between 25–35% of household income — moderate housing costs.

If you earn X in O'Sullivan Beach

Your weekly income

≈ $4,645/month

Median rent $300/wk

Left after rent $772/wk

Rent share 28.0%

Cheaper alternatives with similar incomes

Solomontown

Income: $512/wk Rent: $195/wk Save: $105/wk

Novar Gardens

Income: $630/wk Rent: $165/wk Save: $135/wk

Queenstown (SA)

Income: $623/wk Rent: $270/wk Save: $30/wk

Balaklava

Income: $611/wk Rent: $227/wk Save: $73/wk

New Town (SA)

Income: $604/wk Rent: $242/wk Save: $58/wk

Gawler South

Income: $715/wk Rent: $260/wk Save: $40/wk

Oakden

Income: $649/wk Rent: $283/wk Save: $17/wk

Risdon Park South

Income: $713/wk Rent: $185/wk Save: $115/wk

O'Sullivan Beach vs State & National Average

Nearby Suburbs in SA

South Brighton

Pop: 2,763 Income: $820/wk Rent: $335/wk

Virginia (SA)

Pop: 2,759 Income: $832/wk Rent: $300/wk

Semaphore

Pop: 2,749 Income: $857/wk Rent: $320/wk

Beaumont (SA)

Pop: 2,731 Income: $1,096/wk Rent: $450/wk

O'Halloran Hill

Pop: 2,722 Income: $796/wk Rent: $350/wk

Woodville North

Pop: 2,721 Income: $643/wk Rent: $300/wk

Compare O'Sullivan Beach

O'Sullivan Beach vs South Brighton →O'Sullivan Beach vs Virginia (SA) →O'Sullivan Beach vs Semaphore →O'Sullivan Beach vs Beaumont (SA) →

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 990.5 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 SA average of $763/wk.Rent affordability is rated as moderate (28.0% of household income). See the full suburb profile above for detailed statistics.

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Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 41062. All dollar figures in AUD.