ABS Census 2021 Greater Melbourne

About

Officer South (VIC 3809): population 1,159, median age 31, median household income $2,085/week, SEIFA IRSD decile 10. Victorian suburb guide with housing, jobs and community insights.

Officer South is a suburb in Cardinia, Victoria (postcode 3809), located in the Greater Melbourne region. At the ABS Census 2021 it had a population of 1,159 people.

At a glance

Population (2021)
1,159
Median age
31
Household income
$2,085/wk
Weekly rent
$393
Unemployment
2.3%
SEIFA IRSD decile
10 / 10

Age distribution

0-4
9.6%
5-14
13.0%
15-19
2.2%
20-24
5.1%
25-34
27.6%
35-44
14.4%
45-54
4.8%
55-64
7.0%
65-74
12.0%
75-84
4.2%
85+
0.3%

Housing tenure

Owned
27.5%
Mortgage
59.0%
Rented
6.6%
Other
4.0%

Key statistics

IndicatorValue
Postcode3809
Population (2021)1,159
Males572 (49.4%)
Females592 (51.1%)
Median age31 years
Average household size2.5
Median weekly household income$2,085
Median weekly family income$2,403
Median weekly rent$393
Median monthly mortgage$2,200
Labour force619
Unemployment rate2.3%
Participation rate71.1%
Born overseas32.1%
Separate houses75.6%
Worked at home24.5%
SEIFA IRSD decile10 of 10
Bachelor degree or higher46.4%
Completed Year 12 or equivalent64.8%
Aboriginal and/or Torres Strait Islander residents0.4%
Residents needing assistance with core activities3.1%
Households with 2+ vehicles61.6%
Distance from Melbourne CBD51.3 km (straight line)

Age profile

Median age: 31 years. Residents under 15: 22.6%. Residents aged 65 and over: 16.5%.

Age groupPeopleShare of population
0-41119.6%
5-1415113.0%
15-19252.2%
20-24595.1%
25-3432027.6%
35-4416714.4%
45-54564.8%
55-64817.0%
65-7413912.0%
75-84494.2%
85 and over30.3%

Households and families

Household typeCountShare of households
Total households454
Average household size2.5
One person10623.3%
Two persons17237.9%
Three persons6815.0%
Four persons7015.4%
Five persons275.9%
Six or more persons122.6%
Family typeCountShare of families
Total families342
Couples with children113.2%
Couples without children16247.4%
One-parent families164.7%
Other families41.2%

Children ever born

MeasureValue
Average children per woman aged 15+1.54
Women with no children32.8%
Women with three or more children22.8%

Of the 158 couple families with children in Officer South, 6.3% are step or blended families.

Marital status

Marital status of residents aged 15 and over in Officer South.

StatusShare of adults
Married (registered marriage)53.5%
Married (de facto)20.5%
Not married26.0%

Housing

DwellingsCountShare of dwellings
Total dwellings467
Occupied45497.2%
Unoccupied122.6%
Dwelling structureCountShare of dwellings
Separate house35375.6%
Semi-detached or townhouse9921.2%
Flat or apartment00.0%
Other dwelling00.0%
TenureCountShare of households
Owned outright12527.5%
Owned with a mortgage26859.0%
Rented306.6%
Other tenure184.0%

Weekly rent

Rent bandShare of renting households
Under $350 per week0.0%
$350 to $549 per week100.0%
$550 or more per week0.0%

0.0% of renting households rent through a state or community housing provider.

Monthly mortgage repayments

Repayment bandShare of mortgaged households
Under $1,0002.8%
$1,000 to $1,79910.3%
$1,800 to $2,99975.5%
$3,000 or more11.5%

Bedrooms per dwelling

BedroomsShare of dwellings
None or one bedroom0.9%
Two bedrooms20.2%
Three bedrooms19.5%
Four or more bedrooms59.4%

Employment

Labour force statusCountShare
Labour force619
Employed60096.9%
Unemployed142.3%
Not in the labour force251
Unemployment rate2.3%
Participation rate71.1%

30.4% of employed residents work part time, fewer than 35 hours per week.

Household income

Household incomes in Officer South are distributed across the following weekly bands.

Weekly household incomeShare of households
Under $65013.3%
$650 to $1,49922.2%
$1,500 to $2,99943.2%
$3,000 or more21.3%

For residents aged 15 and over, personal weekly income is distributed as follows.

Weekly personal incomeShare of residents 15+
Under $50025.8%
$500 to $99923.4%
$1,000 to $1,99940.5%
$2,000 or more10.2%

Travel to work

MethodCountShare of workers
Car driver34357.2%
Car passenger122.0%
Train40.7%
Bus00.0%
Tram00.0%
Bicycle00.0%
Walked only00.0%
Worked at home14724.5%

Religious affiliation

ReligionCountShare of residents
Christianity49742.9%
No religion41235.5%
Islam353.0%
Hinduism443.8%
Buddhism595.1%
Judaism30.3%
Other or not stated1099.4%

Socio-economic profile (SEIFA 2021)

SEIFA deciles run from 1 (most disadvantaged) to 10 (least disadvantaged) nationally.

IndexScoreDecilePercentile
IRSD (disadvantage)10981096
IRSAD (advantage and disadvantage)10679
IER (economic resources)10959
IEO (education and occupation)10479

Where residents were born

66.5% of residents were born in Australia and 33.5% were born overseas. The most common overseas birthplaces in Officer South are listed below.

Country of birthPeopleShare of residents
England706.2%
India625.5%
Sri Lanka605.3%
Philippines201.8%
New Zealand191.7%
Pakistan161.4%

When overseas-born residents arrived

Year of arrivalShare of overseas-born residents
2016 to 20218.2%
2011 to 201526.8%
2001 to 201031.9%
Before 200133.1%

Languages spoken at home

74.2% of residents speak only English at home. The most common other languages in Officer South are listed below. Across all households, 1.6% of residents speak English not well or not at all.

LanguagePeopleShare of residents
Indo-Aryan: Punjabi605.5%
Indo-Aryan: Sinhalese514.6%
Tamil211.9%
Italian141.3%
Indo-Aryan: Urdu141.3%
Spanish121.1%

Ancestry

Residents of Officer South most commonly report the following ancestries.

AncestryResponsesShare of responses
English37625.2%
Australian32621.8%
Indian714.7%
Irish674.5%
Scottish654.3%
Italian644.3%

Work and industry

The largest employment sectors for Officer South residents are listed below.

Industry of employmentWorkersShare of workers
Health Care and Social Assistance10117.9%
Construction7312.9%
Education and Training6411.3%
Retail Trade427.4%
Manufacturing376.6%
Public Administration and Safety356.2%

The most common occupations among Officer South residents are listed below.

OccupationWorkersShare of workers
Professionals16727.7%
Technicians and Trades Workers10317.1%
Clerical and Administrative Workers8213.6%
Managers6911.4%
Community and Personal Service Workers6610.9%
Sales Workers518.5%

Education

Of residents attending an education institution in Officer South, 17.6% are at university or higher education, 12.0% are at TAFE or vocational education, and 64.8% are at school.

64.8% of residents aged 15 and over have completed Year 12 or equivalent.

The most common fields of study among Officer South residents with qualifications are listed below.

Field of studyPeopleShare
Management and Commerce12121.9%
Engineering and Related Technologies9417.0%
Health7713.9%
Education6912.5%
Society and Culture5910.7%
Architecture and Building407.2%

Long-term health conditions

64.3% of residents report no long-term health condition. The most commonly reported conditions in Officer South are listed below.

Health conditionPeopleShare of residents
Arthritis977.9%
Asthma806.5%
Mental health condition (including depression or anxiety)746.0%
Diabetes (excluding gestational diabetes)483.9%
Heart disease (including heart attack or angina)352.9%
Cancer (including remission)191.5%
Lung condition (including COPD or emphysema)110.9%
Stroke80.7%
Dementia (including Alzheimer's)50.4%
Kidney disease50.4%

17.0% of residents report one condition, 5.0% report two, and 2.6% report three or more.

Community and care

How residents of Officer South contribute to their community (share of residents aged 15 and over).

Community activityShare
Volunteers for an organisation or group9.8%
Provides unpaid assistance to a person with a disability or health condition9.3%
Provides unpaid child care66.4%
Does 15 or more hours of unpaid domestic work19.9%
Has served or is serving in the Australian Defence Force2.1%

Moving and stability

MobilityShare of residents
Same address 1 year ago53.1%
Moved within Victoria in the last year45.6%
Moved interstate in the last year0.5%
Moved from overseas in the last year0.8%
Same address 5 years ago5.4%
Moved within Victoria in the last 5 years85.4%
Moved interstate in the last 5 years6.0%
Moved from overseas in the last 5 years2.8%

Crime and safety

Victoria Police recorded 42 offences in Officer South in the 12 months to March 2026.

Offence divisionRecorded offences
A Crimes against the person8
B Property and deception offences24
C Drug offences1
D Public order and security offences0
E Justice procedures offences9
F Other offences0

That is a calculated rate of 36.2 recorded offences per 1,000 residents, based on the ABS Census 2021 population. This rate was calculated by My Victoria AU and is not a Crime Statistics Agency figure.

For context, the Cardinia local government area recorded 6,888 offences per 100,000 residents in the same period. That figure is the official Crime Statistics Agency rate for the LGA.

Five-year trend

2022
50
2023
54
2024
34
2025
36
2026
42

Recorded offences count crimes reported to Victoria Police in this locality, not crimes committed by or against its residents. Areas with shopping centres, transport hubs, hospitals or entertainment precincts record more offences regardless of how safe they are for people who live there. Counts are revised as investigations progress.

Source: Crime Statistics Agency Victoria, Data tables - Recorded offences, Year ending March 2026. Licensed under CC BY 4.0. Rates per 1,000 residents are calculations by My Victoria AU using ABS Census 2021 population and are not CSA figures. View the source dataset.

Location

<iframe src="https://www.openstreetmap.org/export/embed.html?bbox=145.4054%2C-38.1130%2C145.4294%2C-38.0950&layer=mapnik&marker=-38.104022%2C145.417377" width="100%" height="320" style="border:0;border-radius:12px;max-width:100%;" loading="lazy" title="Map of Officer South, Victoria"></iframe>

Map data © OpenStreetMap contributors.

Nearby suburbs

Browse more suburbs in Cardinia, or explore the wider Greater Melbourne region of Victoria.

Data disclaimer: The statistics on this page are sourced from the Australian Bureau of Statistics (ABS), Census of Population and Housing 2021 and SEIFA 2021 (ASGS Edition 3), and are used under the ABS CC BY 4.0 licence. This directory is an independent community resource and is not affiliated with or endorsed by the ABS.

Population 1159
Median Age 31
Average Household Size 2.5
Median Weekly Household Income $2085
Median Weekly Rent $393
Median Monthly Mortgage $2200
Unemployment Rate 2.3%
Participation Rate 71.1%
Born Overseas 32.1%
Separate House 75.6%
Worked at Home 24.5%
SEIFA IRSD Decile 10
SEIFA IRSD Percentile 96
SEIFA IRSAD Decile 9
Median Weekly Family Income $2403
Postcode 3809

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Officer South, Victoria 3809, Australia

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