New South Wales · Suburb Profile

Sydenham NSW — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Sydenham, New South Wales. ABS Census 2021.

The population of Sydenham NSW is 1,100 according to the 2021 Census. The median personal income in Sydenham is $954 per week ($49,608 per year). Median rent in Sydenham is $580 per week ($2,513 per month). Sydenham has a median age of 36 years, younger than the national median of 38. Sydenham has a population density of 4068.0 people per km².

The most common overseas birthplace in Sydenham is England. The most common religion is No Religion (52% of residents). After English, the most spoken language is Vietnamese. The median monthly mortgage repayment in Sydenham is $2,817.

There were 59 recorded offences in Sydenham in 2025-26, a rate of 54 offences per 1,000 people. The most common offence category was traffic (21 offences).

Sydenham Map

📍

Loading map…

Sydenham Population

residents (Census 2021)

Sydenham Median Income & Rent

💰

Median Income

$954/wk

$49,608 per year

#1575 of 14,663

🏠

Median Rent

$580/wk

$2,513 per month

#278 of 14,663

👤

Median Age

36years

2 years younger than national median

🏡

Mortgage

$2,817/mo

Avg household size: 2.5 · 1 per bedroom

Sydenham Demographics

Gender Split

Male 52.6% (578) Female 47.4% (521)

Population Density

4068.0

people per km²

1,100 people · 0.3 km²

Households

2.5

Avg household size

Persons per bedroom

$2,545

Family income/wk

Sydenham 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)

Sydenham Housing Tenure

🏠

Owned outright

44.8% 113 dwellings

🏦

Owned with mortgage

55.2% 139 dwellings

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

Sydenham Country of Birth

Australia

79.4%

England

6.7%

China

4.6%

Indonesia

3.0%

Greece

1.4%

India

1.4%

Brazil

1.2%

Fiji

1.2%

Germany

1.2%

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

Sydenham Religion

No Religion

51.6%

Catholic

17.4%

Buddhism

9.6%

Eastern Orthodox

5.6%

Anglican

4.9%

Not stated

4.2%

Hinduism

3.4%

Islam

3.1%

Source: ABS Census 2021 G14 — Religion by SAL

Sydenham Education Level

Year 12 or equivalent

80.8%

Year 10 or equivalent

13.1%

Year 11 or equivalent

3.9%

Year 9 or equivalent

2.2%

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

Sydenham Languages Spoken at Home

Vietnamese

19.3%

Cantonese

16.4%

Greek

15.0%

SAL Tot

12.9%

Thai

12.1%

IAL Nepali

9.3%

Portuguese

7.9%

SAL Indon

7.1%

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

Sydenham Employment

💼

Employed full-time

42.9% 379 people

⏰

Employed part-time

21.8% 193 people

🔍

Unemployed

3.6% 32 people

🏠

Not in labour force

31.7% 280 people

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

Sydenham Qualifications

Bachelor Degree

45.9%

Certificate III/IV

18.4%

Postgraduate Degree

15.5%

Advanced Diploma/Diploma

14.7%

Graduate Diploma/Certificate

3.5%

Certificate I/II

2.0%

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

Sydenham Occupation

Professionals

38.7%

Managers

18.3%

Technicians & Trade Workers

12.5%

Clerical & Administrative

8.9%

Community & Personal Service

8.5%

Labourers

5.2%

Sales Workers

4.8%

Machinery Operators & Drivers

3.1%

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

Sydenham Field of Study

Management & Commerce

28.6%

Society & Culture

16.0%

Creative Arts

14.9%

Health

8.6%

Engineering

8.6%

Food, Hospitality & Personal Services

5.0%

Architecture & Building

4.8%

Information Technology

4.8%

Education

3.8%

Natural & Physical Sciences

3.2%

Agriculture & Environment

1.7%

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

Sydenham Dwelling Types

Semi-detached (1 storey)

53.2%

Separate house

38.9%

Semi-detached (2+ storey)

7.9%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Sydenham Weekly Household Income

Nil/Negative/wk

1.3%

$150-$299/wk

0.8%

$300-$399/wk

2.6%

$400-$499/wk

5.4%

$500-$649/wk

1.8%

$650-$799/wk

4.6%

$800-$999/wk

4.1%

$1,000-$1,249/wk

7.7%

$1,250-$1,499/wk

7.2%

$1,500-$1,749/wk

3.6%

$1,750-$1,999/wk

4.1%

$2,000-$2,499/wk

13.6%

$2,500-$2,999/wk

6.2%

$3,000-$3,499/wk

10.0%

$3,500-$3,999/wk

4.9%

$4,000+/wk

22.3%

Source: ABS Census 2021 G33 — Household Income by SAL

Sydenham Marital Status

💍

Married

32.2% 312

↔️

Separated

3.4% 33

📋

Divorced

6.3% 61

🕊️

Widowed

4.8% 47

👤

Never married

53.3% 517

Source: ABS Census 2021 G05 — Marital Status by SAL

Sydenham Ancestry

English

21.7%

Australian

20.7%

Other

16.1%

Irish

9.3%

Chinese

7.8%

Scottish

6.6%

Vietnamese

4.6%

Greek

3.9%

German

2.9%

Italian

2.8%

Filipino

2.0%

Aboriginal Australianralian

1.7%

Source: ABS Census 2021 G08 — Ancestry by SAL

Sydenham School & University Attendance

Vocational Education

33.3%

Primary — Government

27.2%

Secondary — Government

17.7%

Pre-school

8.2%

Primary — Catholic

6.8%

Secondary — Catholic

6.8%

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

Sydenham Need for Assistance

♿

Needs assistance

5.7% 120

✅

No need for assistance

94.3% 1,999

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

Sydenham Volunteering

🤝

Volunteer

12.1% 115

—

Not a volunteer

87.9% 834

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Sydenham Monthly Mortgage Repayments

$0-$299/mo

6.7%

$300-$449/mo

2.9%

$800-$999/mo

4.8%

$1,000-$1,399/mo

8.7%

$1,400-$1,799/mo

10.6%

$1,800-$2,399/mo

21.2%

$2,400-$2,999/mo

17.3%

$3,000-$3,999/mo

27.9%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Sydenham How People Get to Work

Car (driver)

40.6%

Did not go to work

24.9%

Train

14.3%

Walked only

7.7%

Car (passenger)

3.2%

Bus

2.7%

Bicycle

2.1%

Motorbike/Scooter

1.6%

Other

1.1%

Truck

1.1%

Taxi/Rideshare

0.8%

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

Sydenham Car Ownership

0 vehicles

16.2%

1 vehicle

53.9%

2 vehicles

20.5%

3 vehicles

7.2%

4+ vehicles

2.2%

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

Sydenham Number of Bedrooms

1 bedroom

10.0%

2 bedrooms

37.7%

3 bedrooms

38.9%

4 bedrooms

12.0%

5 bedrooms

1.5%

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

Sydenham Population Mobility

22.0%

moved in the last year

47.0%

moved in the last 5 years

4.4%

unemployment rate (Census)

68.5%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Sydenham Indigenous Population

2.2%

Aboriginal & Torres Strait Islander

Indigenous residents

2,103

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Sydenham Long-term Health Conditions

Mental health

124

Asthma

Arthritis

Diabetes

Heart disease

Kidney disease

Lung condition

Cancer

Stroke

Dementia

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

Sydenham Personal Weekly Income Distribution

$0 or less/wk

8.9%

$1-$149/wk

2.1%

$150-$299/wk

2.5%

$300-$399/wk

3.8%

$400-$499/wk

4.1%

$500-$649/wk

4.3%

$650-$799/wk

9.9%

$800-$999/wk

10.0%

$1,000-$1,249/wk

11.2%

$1,250-$1,499/wk

9.0%

$1,500-$1,749/wk

8.9%

$1,750-$1,999/wk

6.5%

$2,000-$2,999/wk

11.7%

$3,000-$3,499/wk

3.1%

$3,500+/wk

4.0%

Source: ABS Census 2021 G17 — Personal Income by SAL

Sydenham Family Structure

Couple — no children

38.1%

Couple — children under 15

37.3%

One parent — no children under 15

11.1%

Couple — no children under 15

10.0%

One parent — children under 15

3.4%

Source: ABS Census 2021 G29 — Family Composition by SAL

Sydenham Military Service

🏅

Previously served

0.8% 8

👤

Never served

99.2% 936

Source: ABS Census 2021 G22 — ADF Service by SAL

Sydenham Unpaid Carers

🤲

Provided unpaid assistance

10.4% 97

—

Did not provide

89.6% 837

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Sydenham Children Ever Born

No children

59.7%

1 child

14.1%

2 children

19.6%

3 children

5.5%

4 children

1.0%

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

Sydenham When Migrants Arrived

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

2011–2015

2016

2017

2018

2019

2020

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

Sydenham Unpaid Domestic Work

Less than 5 hours

22.9%

5–14 hours

30.2%

15–29 hours

11.1%

30+ hours

5.1%

Did not do domestic work

30.7%

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

Sydenham Household Size

1 person

25.7%

2 persons

35.1%

3 persons

16.3%

4 persons

13.2%

5 persons

5.4%

6+ persons

4.2%

Source: ABS Census 2021 G35 — Household Size by SAL

Sydenham Where Residents Moved From

Same address

821

Moved from NSW

193

Moved — same area (SA2)

Moved from overseas

Moved from QLD

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

Sydenham Family Blending

Intact family — no other children

88.8%

Step family — no other children

6.7%

Blended family — no other children

4.5%

Source: ABS Census 2021 G31 — Family Blending by SAL

Sydenham Crime Statistics

Reported offences in 2025-26 — 59 total

Traffic

Theft

Property Damage

Assault

Other Against Property

Sexual Offences

Other Against Person

Drug Offences

Offence trend by year:

2020

2021

2022

2023

2024

2025

Source: NSW BOCSAR — bocsar.nsw.gov.au

Sydenham Schools

schools nearby

government

1086

avg ICSEA score

19,528

total students

Newington College Independent

Secondary · K-12 · 2,072 students

1182

ICSEA

Fort Street High School Government

Secondary · 7-12 · 917 students

1176

ICSEA

St Michael's Catholic Primary School Catholic

Primary · K-6 · 116 students

1160

ICSEA

Erskineville Public School Government

Primary · K-6 · 334 students

1155

ICSEA

St Mary's Catholic Primary School Catholic

Primary · K-6 · 169 students

1145

ICSEA

Australia Street Infants School Government

Primary · P-2 · 104 students

1143

ICSEA

Newtown Public School Government

Primary · K-6 · 272 students

1140

ICSEA

Stanmore Public School Government

Primary · K-6 · 560 students

1138

ICSEA

Petersham Public School Government

Primary · K-6 · 232 students

1137

ICSEA

Wilkins Public School Government

Primary · K-6 · 508 students

1135

ICSEA

Newtown North Public School Government

Primary · K-6 · 221 students

1132

ICSEA

Camdenville Public School Government

Primary · P-6 · 310 students

1132

ICSEA

Taverners Hill Infants School Government

Primary · K-2 · 20 students

1129

ICSEA

Newtown High School of Performing Arts Government

Secondary · 7-12 · 1,145 students

1127

ICSEA

Ferncourt Public School Government

Primary · K-6 · 285 students

1125

ICSEA

Showing 15 of 52 schools

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

View all schools in Sydenham with map →

Sydenham Rent Prices & Affordability

26%

of income

Moderate

Household Income $2,245/wk

Median Rent $580/wk

Rent-to-Income 25.8%

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

If you earn X in Sydenham

Your weekly income

≈ $9,728/month

Median rent $580/wk

Left after rent $1,665/wk

Rent share 25.8%

Cheaper alternatives with similar incomes

Hillston

Income: $852/wk Rent: $220/wk Save: $360/wk

Tighes Hill

Income: $914/wk Rent: $400/wk Save: $180/wk

Oakdale (NSW)

Income: $849/wk Rent: $410/wk Save: $170/wk

Cambridge Gardens

Income: $835/wk Rent: $420/wk Save: $160/wk

Bow Bowing

Income: $807/wk Rent: $420/wk Save: $160/wk

Mayfield East

Income: $903/wk Rent: $420/wk Save: $160/wk

Georgetown (NSW)

Income: $942/wk Rent: $423/wk Save: $157/wk

Carrington (Newcastle - NSW)

Income: $930/wk Rent: $430/wk Save: $150/wk

Sydenham vs State & National Average

Nearby Suburbs in NSW

Binalong

Pop: 550 Income: $821/wk Rent: $280/wk

Loomberah

Pop: 552 Income: $849/wk Rent: $300/wk

North Arm Cove

Pop: 552 Income: $647/wk Rent: $340/wk

Broke (NSW)

Pop: 557 Income: $723/wk Rent: $365/wk

Mullion Creek

Pop: 561 Income: $850/wk Rent: $300/wk

Cargo

Pop: 562 Income: $861/wk Rent: $260/wk

Compare Sydenham (NSW)

Sydenham (NSW) vs Binalong →Sydenham (NSW) vs Loomberah →Sydenham (NSW) vs North Arm Cove →Sydenham (NSW) vs Broke (NSW) →

Frequently Asked Questions About Sydenham

What is the population of Sydenham NSW?

The population of Sydenham NSW is 1,100 according to the ABS Census 2021.The suburb has a population density of 4068.0 people per km².Sydenham is ranked #3,831 out of 14,663 suburbs by population.

What is the median income in Sydenham?

The median personal income in Sydenham NSW is $954 per week, or $49,608 per year.The median household income is $2,245 per week.Family income is $2,545 per week.Sydenham is ranked #1,575 by income out of 14,663 Australian suburbs.

How much is rent in Sydenham?

Median rent in Sydenham NSW is $580 per week ($2,513 per month).Rent represents 25.8% of household income, which is considered moderate.Sydenham ranks #278 out of 14,663 suburbs by rent.

What are mortgage repayments in Sydenham?

The median monthly mortgage repayment in Sydenham NSW is $2,817. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Sydenham?

The median age in Sydenham NSW is 36 years.This is younger than the national median age of 38 years.

Is Sydenham a good suburb to live in?

Sydenham is a suburb in New South Wales with a population of 1,100.The median income is $954/wk, which is above the NSW average of $781/wk.Rent affordability is rated as moderate (25.8% of household income). See the full suburb profile above for detailed statistics.

Explore More

📊 Australian Average Salary 🏘️ Australian House Prices 🌆 Sydney Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 13729. All dollar figures in AUD.