Sydenham, NSW: suburb profile

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 4,068 people per km².

The most common overseas birthplace in Sydenham is Vietnam. The most common religion is No religion (47.7% 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).

Population
1,100
Census 2021
Median income
$954/wk
Personal, Census 2021
Median rent
$580/wk
Weekly, Census 2021
Median age
36years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.

Sydenham vs the typical NSW suburb

The median personal income in Sydenham is $954 a week, 25% above the typical NSW suburb ($765). That ranks 453rd of 2,150 NSW suburbs with 200 or more residents. Median rent is $580 a week, $195 more than the typical NSW suburb. Rent takes 25.8% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 36, 7 years younger than in the typical NSW suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureSydenhamTypical NSWDifferenceTypical Australia
Personal income$954/wk$765/wk +25%$766/wk
Household income$2,245/wk$1,704/wk +32%$1,637/wk
Rent$580/wk$385/wk +51%$330/wk
Mortgage repayment$2,817/mo$1,965/mo +43%$1,733/mo
Median age3643 −7 yrs42
Rent share of household income25.8%22.6% +3.2 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 Sydenham, the typical NSW suburb and the typical Australian suburb.

Sydenham Population

1,100 residents at the 2021 Census.

Sydenham Median Income & Rent

Median Income
$954/wk
$49,608 per year
Ranked 1,575 of 14,663
Median Rent
$580/wk
$2,513 per month
Ranked 278 of 14,663
Median Age
36years
2 years younger than the national median
Mortgage
$2,817/mo
Avg household size: 2.5 · 1 per bedroom

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

Sydenham Rent Prices & Affordability

26% of median household income goes on median rent

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

Household income $2,245/wk
Median rent $580/wk
Rent to income 25.8%

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

Median rent in Sydenham against your income

About $9,728 a month
Median rent $580/wk
Left after rent $1,665/wk
Rent share 25.8%

Sydenham Schools

52
schools nearby
34
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: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).

All schools near Sydenham, with a map

Sydenham Map

Sydenham, New South Wales Map data: OpenStreetMap
Loading map…

Sydenham, New South Wales: 33.9167°S, 151.1682°E

Sydenham Circle size: offences per 1,000 residents Schools (52)

People in Sydenham

Demographics

Gender Split

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

Population Density

4,068
people per km²
1,100 people · 0.3 km²

Households

2.5
Avg household size
1
Persons per bedroom
$2,545
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

Vietnam
4.4%
China
3.7%
England
3.2%
Thailand
3.0%
New Zealand
2.3%
Nepal
2.2%
Greece
1.8%

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

Most common languages at home other than English

Vietnamese
4.8%
Cantonese
4.4%
Greek
3.7%
Thai
3.5%
Mandarin
2.0%
Nepali
2.0%
Portuguese
1.9%

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

Ancestry

English
26.2%
Australian
24.9%
Irish
11.2%
Chinese
9.5%
Scottish
7.9%
Vietnamese
5.5%
Greek
4.7%
German
3.5%
Italian
3.4%
Filipino
2.4%
Australian Aboriginal
2.0%

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
47.7%
Catholic
16.1%
Buddhism
8.9%
Eastern Orthodox
5.2%
Anglican
4.5%
Not stated
3.9%
Hinduism
3.2%
Islam
2.9%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

2.3%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

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

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

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

Homes in Sydenham

Housing Tenure

Of the 418 occupied private dwellings in Sydenham at the 2021 Census, 36.6% were rented, 27.0% owned outright and 33.3% owned with a mortgage.

Other tenure type
1.4% 6 dwellings
Owned outright
27.0% 113 dwellings
Owned with mortgage
33.3% 139 dwellings
Rented
36.6% 153 dwellings
Tenure type not stated
1.7% 7 dwellings

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

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

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

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

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

Work, income and education in 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

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

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

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

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

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%

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

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

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

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

More from the 2021 Census

Need for Assistance

Does not have need for assistance
90.9%
Has need for assistance
5.5%
Need for assistance not stated
3.2%

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

Long-term Health Conditions

Mental health
124
Asthma
42
Arthritis
22
Diabetes
21
Heart disease
10
Kidney disease
10
Lung condition
8
Cancer
8
Stroke
4
Dementia
4

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

Unpaid Carers

Provided unpaid assistance
10.4% 97
Did not provide
89.6% 837

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
12.1% 115
Not a volunteer
87.9% 834

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
0.8% 8
Never served
99.2% 936

Source: ABS Census 2021, G22 ADF Service by SAL

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

When Migrants Arrived

1951: 1960
10
1961: 1970
30
1971: 1980
59
1981: 1990
67
1991: 2000
50
2001: 2010
72
2011: 2015
43
2016
16
2017
23
2018
22
2019
18
2020
4

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

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

Where Residents Moved From

Same address
821
Moved from NSW
193
Moved: same area (SA2)
19
Moved from overseas
13
Moved from QLD
3

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

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

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

59 reported offences in 2025-26, by category.

Traffic
21
Theft
10
Property Damage
10
Assault
7
Other Against Property
5
Sexual Offences
3
Other Against Person
2
Drug Offences
1

Total offences by year

2020
2021
2022
2023
2024
2025

Source: NSW BOCSAR (bocsar.nsw.gov.au).

Cheaper alternatives with similar incomes

Hillston
Income: $852/wk Rent: $220/wk $360/wk less rent
Tighes Hill
Income: $914/wk Rent: $400/wk $180/wk less rent
Oakdale (NSW)
Income: $849/wk Rent: $410/wk $170/wk less rent
Cambridge Gardens
Income: $835/wk Rent: $420/wk $160/wk less rent
Bow Bowing
Income: $807/wk Rent: $420/wk $160/wk less rent
Mayfield East
Income: $903/wk Rent: $420/wk $160/wk less rent
Georgetown (NSW)
Income: $942/wk Rent: $423/wk $157/wk less rent
Carrington (Newcastle - NSW)
Income: $930/wk Rent: $430/wk $150/wk less rent

Suburbs near Sydenham

The closest suburb to Sydenham is St Peters (NSW), 0.8 km away.

St Peters (NSW)
0.8 km away · income $1,465/wk · rent $650/wk
Tempe
1.0 km away · income $1,067/wk · rent $600/wk
Marrickville
1.2 km away · income $1,077/wk · rent $480/wk
Enmore (Inner West - NSW)
1.8 km away · income $1,245/wk · rent $500/wk
Wolli Creek
2.1 km away · income $1,071/wk · rent $540/wk
Newtown (NSW)
2.2 km away · income $1,309/wk · rent $550/wk

Compare Sydenham (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 4,068 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 typical NSW suburb ($765/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.