South Australia · Suburb Profile

Brentwood SA — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Brentwood, South Australia. ABS Census 2021.

The population of Brentwood SA is 71 according to the 2021 Census. The median personal income in Brentwood is $494 per week ($25,688 per year). Median rent in Brentwood is $150 per week ($650 per month). Brentwood has a median age of 49 years, older than the national median of 38. Brentwood has a population density of 1.3 people per km².

The most common religion is No Religion (37% of residents). The median monthly mortgage repayment in Brentwood is $867.

There were 1 recorded offences in Brentwood in 2025-26, a rate of 14 offences per 1,000 people. The most common offence category was fraud (1 offences).

Brentwood Map

📍

Loading map…

Brentwood Population

residents (Census 2021)

Brentwood Median Income & Rent

💰

Median Income

$494/wk

$25,688 per year

🏠

Median Rent

$150/wk

$650 per month

👤

Median Age

49years

11 years older than national median

🏡

Mortgage

$867/mo

Avg household size: 2.7 · 0.8 per bedroom

Brentwood Demographics

Gender Split

Male 56.3% (40) Female 43.7% (31)

Population Density

1.3

people per km²

71 people · 53.3 km²

Households

2.7

Avg household size

0.8

Persons per bedroom

$1,375

Family income/wk

Brentwood Age Distribution

0-4

10-14

15-19

30-34

35-39

45-49

50-54

55-59

60-64

70-74

75-79

♂ Male ♀ Female

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

Brentwood Housing Tenure

🏠

Owned outright

65.0% 13 dwellings

🏦

Owned with mortgage

35.0% 7 dwellings

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

Brentwood Country of Birth

Australia

100.0%

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

Brentwood Religion

No Religion

36.8%

Uniting Church

33.8%

Baptist

10.3%

Lutheran

8.8%

Catholic

5.9%

Christian (other)

4.4%

Source: ABS Census 2021 G14 — Religion by SAL

Brentwood Education Level

Year 12 or equivalent

54.2%

Year 11 or equivalent

25.0%

Year 10 or equivalent

20.8%

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

Brentwood Employment

💼

Employed full-time

29.4% 15 people

⏰

Employed part-time

23.5% 12 people

🏠

Not in labour force

47.1% 24 people

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

Brentwood Qualifications

Certificate III/IV

65.0%

Advanced Diploma/Diploma

20.0%

Bachelor Degree

15.0%

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

Brentwood Occupation

Managers

55.6%

Community & Personal Service

44.4%

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

Brentwood Field of Study

Education

40.0%

Architecture & Building

30.0%

Society & Culture

30.0%

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

Brentwood Dwelling Types

Separate house

100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Brentwood Weekly Household Income

$400-$499/wk

11.5%

$650-$799/wk

19.2%

$1,000-$1,249/wk

11.5%

$1,250-$1,499/wk

15.4%

$1,750-$1,999/wk

15.4%

$2,500-$2,999/wk

11.5%

$4,000+/wk

15.4%

Source: ABS Census 2021 G33 — Household Income by SAL

Brentwood Marital Status

💍

Married

63.9% 39

📋

Divorced

4.9% 3

👤

Never married

31.1% 19

Source: ABS Census 2021 G05 — Marital Status by SAL

Brentwood Ancestry

Australian

40.8%

English

31.6%

Irish

13.3%

Aboriginal Australianralian

5.1%

Scottish

5.1%

German

4.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Brentwood School & University Attendance

Secondary — Government

75.0%

Primary — Government

25.0%

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

Brentwood Need for Assistance

✅

No need for assistance

100.0% 134

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

Brentwood Volunteering

🤝

Volunteer

45.6% 26

—

Not a volunteer

54.4% 31

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Brentwood Monthly Mortgage Repayments

$800-$999/mo

100.0%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Brentwood How People Get to Work

Car (driver)

73.3%

Walked only

26.7%

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

Brentwood Car Ownership

1 vehicle

29.0%

2 vehicles

35.5%

3 vehicles

12.9%

4+ vehicles

22.6%

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

Brentwood Number of Bedrooms

2 bedrooms

17.6%

3 bedrooms

64.7%

4 bedrooms

17.6%

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

Brentwood Population Mobility

0.0%

moved in the last year

21.0%

moved in the last 5 years

3.6%

unemployment rate (Census)

48.3%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Brentwood Indigenous Population

3.8%

Aboriginal & Torres Strait Islander

Indigenous residents

127

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Brentwood Long-term Health Conditions

Arthritis

Mental health

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

Brentwood Personal Weekly Income Distribution

$0 or less/wk

9.5%

$300-$399/wk

9.5%

$400-$499/wk

7.1%

$650-$799/wk

19.0%

$800-$999/wk

7.1%

$1,000-$1,249/wk

21.4%

$1,500-$1,749/wk

16.7%

$3,000-$3,499/wk

9.5%

Source: ABS Census 2021 G17 — Personal Income by SAL

Brentwood Family Structure

Couple — no children

45.2%

Couple — children under 15

41.9%

Couple — no children under 15

12.9%

Source: ABS Census 2021 G29 — Family Composition by SAL

Brentwood Unpaid Carers

🤲

Provided unpaid assistance

20.7% 12

—

Did not provide

79.3% 46

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Brentwood Children Ever Born

2 children

33.3%

3 children

66.7%

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

Brentwood When Migrants Arrived

1961–1970

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

Brentwood Unpaid Domestic Work

Less than 5 hours

9.6%

5–14 hours

26.9%

15–29 hours

26.9%

30+ hours

17.3%

Did not do domestic work

19.2%

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

Brentwood Household Size

1 person

32.0%

2 persons

32.0%

3 persons

12.0%

6+ persons

24.0%

Source: ABS Census 2021 G35 — Household Size by SAL

Brentwood Family Blending

Intact family — no other children

100.0%

Source: ABS Census 2021 G31 — Family Blending by SAL

Brentwood Crime Statistics

Reported offences in 2025-26 — 1 total

Fraud

Offence trend by year:

2021

2022

2023

2025

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

Brentwood Rent Prices & Affordability

11%

of income

Affordable

Household Income $1,333/wk

Median Rent $150/wk

Rent-to-Income 11.3%

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

If you earn X in Brentwood

Your weekly income

≈ $5,776/month

Median rent $150/wk

Left after rent $1,183/wk

Rent share 11.3%

Brentwood vs State & National Average

Nearby Suburbs in SA

Caveton

Pop: 36 Income: $966/wk Rent: $300/wk

Black Rock (SA)

Pop: 36 Income: $1,020/wk

Hornsdale

Pop: 36 Income: $900/wk

Kanni

Pop: 36 Income: $680/wk Rent: $190/wk

Mount Mary

Pop: 36 Income: $330/wk Rent: $200/wk

Mutooroo

Pop: 36 Income: $575/wk

Compare Brentwood (SA)

Brentwood (SA) vs Caveton →Brentwood (SA) vs Black Rock (SA) →Brentwood (SA) vs Hornsdale →Brentwood (SA) vs Kanni →

Frequently Asked Questions About Brentwood

What is the population of Brentwood SA?

The population of Brentwood SA is 71 according to the ABS Census 2021.The suburb has a population density of 1.3 people per km².

What is the median income in Brentwood?

The median personal income in Brentwood SA is $494 per week, or $25,688 per year.The median household income is $1,333 per week.Family income is $1,375 per week.

How much is rent in Brentwood?

Median rent in Brentwood SA is $150 per week ($650 per month).Rent represents 11.3% of household income, which is considered affordable.

What are mortgage repayments in Brentwood?

The median monthly mortgage repayment in Brentwood SA is $867. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Brentwood?

The median age in Brentwood SA is 49 years.This is older than the national median age of 38 years.

Is Brentwood a good suburb to live in?

Brentwood is a suburb in South Australia with a population of 71.The median income is $494/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (11.3% 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: 40157. All dollar figures in AUD.