Diamond Creek, VIC: suburb profile

The population of Diamond Creek VIC is 12,503 according to the 2021 Census. The median personal income in Diamond Creek is $983 per week ($51,116 per year). Median rent in Diamond Creek is $430 per week ($1,863 per month). Diamond Creek has a median age of 39 years, older than the national median of 38. Diamond Creek has a population density of 701 people per km².

The most common overseas birthplace in Diamond Creek is England. The most common religion is No religion (48.4% of residents). After English, the most spoken language is Italian. The median monthly mortgage repayment in Diamond Creek is $2,167.

There were 538 recorded offences in Diamond Creek in 2025-25, a rate of 43 offences per 1,000 people. The most common offence category was theft (196 offences).

Population
12,503
Census 2021
Median income
$983/wk
Personal, Census 2021
Median rent
$430/wk
Weekly, Census 2021
Median age
39years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from Crime Statistics Agency Victoria (crimestatistics.vic.gov.au), 2025-25.

Diamond Creek vs the typical VIC suburb

The median personal income in Diamond Creek is $983 a week, 28% above the typical VIC suburb ($767). That ranks 149th of 1,274 VIC suburbs with 200 or more residents. Median rent is $430 a week, $114 more than the typical VIC suburb. Rent takes 17.1% of the median household income here, against 19.1% in the typical VIC suburb. The median resident is 39, 4 years younger than in the typical VIC suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureDiamond CreekTypical VICDifferenceTypical Australia
Personal income$983/wk$767/wk +28%$766/wk
Household income$2,508/wk$1,687/wk +49%$1,637/wk
Rent$430/wk$316/wk +36%$330/wk
Mortgage repayment$2,167/mo$1,723/mo +26%$1,733/mo
Median age3943 −4 yrs42
Rent share of household income17.1%19.1% −1.9 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 Diamond Creek, the typical VIC suburb and the typical Australian suburb.

Diamond Creek Population

12,503 residents at the 2021 Census.

Diamond Creek Median Income & Rent

Median Income
$983/wk
$51,116 per year
Ranked 1,320 of 14,663
Median Rent
$430/wk
$1,863 per month
Ranked 1,360 of 14,663
Median Age
39years
1 years older than the national median
Mortgage
$2,167/mo
Avg household size: 2.9 · 0.8 per bedroom

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

Diamond Creek Rent Prices & Affordability

17% of median household income goes on median rent

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

Household income $2,508/wk
Median rent $430/wk
Rent to income 17.1%

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

Median rent in Diamond Creek against your income

About $10,868 a month
Median rent $430/wk
Left after rent $2,078/wk
Rent share 17.1%

Diamond Creek Schools

9
schools nearby
7
government
1070
avg ICSEA score
4,556
total students
North-Eastern Montessori School Independent
Primary · Prep-6 · 106 students
1143
ICSEA
Glen Katherine Primary School Government
Primary · Prep-6 · 554 students
1088
ICSEA
Sacred Heart School Catholic
Primary · Prep-6 · 182 students
1080
ICSEA
Diamond Creek East Primary School Government
Primary · Prep-6 · 466 students
1066
ICSEA
St Helena Secondary College Government
Secondary · 7-12 · 1,414 students
1065
ICSEA
Diamond Creek Primary School Government
Primary · Prep-6 · 235 students
1065
ICSEA
Wattle Glen Primary School Government
Primary · Prep-6 · 147 students
1055
ICSEA
Yarrambat Primary School Government
Primary · Prep-6 · 634 students
1052
ICSEA
Diamond Valley College Government
Secondary · 7-12 · 818 students
1020
ICSEA

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

All schools near Diamond Creek, with a map

Diamond Creek Map

Diamond Creek, Victoria Map data: OpenStreetMap
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People in Diamond Creek

Demographics

Gender Split

Male 49.3% (6,160) Female 50.7% (6,345)

Population Density

701
people per km²
12,503 people · 17.8 km²

Households

2.9
Avg household size
0.8
Persons per bedroom
$2,761
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

England
3.8%
New Zealand
0.8%
Italy
0.7%
India
0.7%
South Africa
0.6%
Iran
0.5%
Scotland
0.5%

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

Most common languages at home other than English

Italian
1.2%
Greek
0.7%
Mandarin
0.7%
Persian (excluding Dari)
0.6%
Macedonian
0.5%
German
0.4%
Arabic
0.3%

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

Ancestry

English
40.4%
Australian
37.8%
Irish
13.3%
Scottish
11.6%
Italian
9.7%
German
3.9%
Greek
2.6%
Chinese
1.8%
Maltese
1.8%
Dutch
1.6%
Macedonian
1.4%

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
48.4%
Catholic
24.3%
Anglican
8.7%
Not stated
3.7%
Eastern Orthodox
2.8%
Uniting Church
2.2%
Christian (other)
1.8%
Presbyterian and Reformed
1.1%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

0.7%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
53.2% 5,361
Separated
2.4% 246
Divorced
7.0% 702
Widowed
3.2% 322
Never married
34.2% 3,450

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
43.8%
Couple: no children under 15
25.6%
Couple: no children
20.3%
One parent: no children under 15
6.2%
One parent: children under 15
4.1%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
14.6%
2 persons
30.3%
3 persons
19.2%
4 persons
23.8%
5 persons
9.3%
6+ persons
2.8%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Diamond Creek

Housing Tenure

Of the 4,158 occupied private dwellings in Diamond Creek at the 2021 Census, 10.0% were rented, 35.3% owned outright and 53.0% owned with a mortgage.

Other tenure type
0.7% 31 dwellings
Owned outright
35.3% 1,469 dwellings
Owned with mortgage
53.0% 2,202 dwellings
Rented
10.0% 414 dwellings
Tenure type not stated
0.9% 36 dwellings

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

Dwelling Types

Separate house
94.5%
Semi-detached (2+ storey)
2.9%
Semi-detached (1 storey)
2.6%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
0.4%
2 bedrooms
6.1%
3 bedrooms
41.2%
4 bedrooms
41.9%
5 bedrooms
9.3%
6+ bedrooms
1.1%

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

Monthly Mortgage Repayments

$0-$299/mo
4.6%
$300-$449/mo
2.2%
$450-$599/mo
1.7%
$600-$799/mo
2.8%
$800-$999/mo
3.1%
$1,000-$1,399/mo
9.1%
$1,400-$1,799/mo
13.9%
$1,800-$2,399/mo
26.8%
$2,400-$2,999/mo
17.7%
$3,000-$3,999/mo
18.1%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
1.8%
1 vehicle
20.7%
2 vehicles
45.5%
3 vehicles
18.5%
4+ vehicles
13.4%

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

Work, income and education in Diamond Creek

Employment

Employed full-time
44.0% 4,118 people
Employed part-time
26.1% 2,440 people
Unemployed
2.7% 257 people
Not in labour force
27.2% 2,549 people

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

Occupation

Professionals
31.5%
Technicians & Trade Workers
17.3%
Managers
17.0%
Community & Personal Service
12.1%
Clerical & Administrative
11.7%
Sales Workers
4.2%
Labourers
3.8%
Machinery Operators & Drivers
2.4%

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

Weekly Household Income

Nil/Negative/wk
1.3%
$1-$149/wk
0.7%
$150-$299/wk
1.1%
$300-$399/wk
0.9%
$400-$499/wk
3.2%
$500-$649/wk
2.3%
$650-$799/wk
3.6%
$800-$999/wk
3.7%
$1,000-$1,249/wk
5.1%
$1,250-$1,499/wk
5.8%
$1,500-$1,749/wk
4.6%
$1,750-$1,999/wk
5.0%
$2,000-$2,499/wk
12.7%
$2,500-$2,999/wk
10.9%
$3,000-$3,499/wk
11.3%
$3,500-$3,999/wk
7.1%
$4,000+/wk
20.8%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
10.4%
$1-$149/wk
5.0%
$150-$299/wk
5.7%
$300-$399/wk
2.4%
$400-$499/wk
2.5%
$500-$649/wk
2.7%
$650-$799/wk
7.4%
$800-$999/wk
8.4%
$1,000-$1,249/wk
10.7%
$1,250-$1,499/wk
8.9%
$1,500-$1,749/wk
8.7%
$1,750-$1,999/wk
6.7%
$2,000-$2,999/wk
13.2%
$3,000-$3,499/wk
3.0%
$3,500+/wk
4.1%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
72.6%
Did not go to work
19.5%
Car (passenger)
3.1%
Train
2.0%
Walked only
1.3%
Truck
0.7%
Bus
0.2%
Other
0.2%
Bicycle
0.2%
Taxi/Rideshare
0.1%
Motorbike/Scooter
0.1%

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

Education Level

Year 12 or equivalent
68.1%
Year 11 or equivalent
14.9%
Year 10 or equivalent
13.1%
Year 9 or equivalent
3.9%

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

Certificate III/IV
33.3%
Bachelor Degree
30.5%
Advanced Diploma/Diploma
19.6%
Postgraduate Degree
8.9%
Graduate Diploma/Certificate
6.4%
Certificate I/II
1.4%

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

Field of Study

Management & Commerce
19.5%
Engineering
16.5%
Society & Culture
12.8%
Health
12.1%
Education
11.5%
Architecture & Building
9.8%
Food, Hospitality & Personal Services
4.8%
Creative Arts
4.4%
Natural & Physical Sciences
3.6%
Information Technology
3.0%
Agriculture & Environment
1.9%

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

School & University Attendance

Primary: Government
32.8%
Secondary: Government
23.9%
Pre-school
11.3%
Vocational Education
10.9%
Secondary: Catholic
10.1%
Primary: Catholic
6.4%
Secondary: Other Non-Govt
3.3%
Primary: Other Non-Govt
1.3%

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
93.3%
Has need for assistance
4.0%
Need for assistance not stated
2.7%

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

Long-term Health Conditions

Mental health
1,041
Asthma
490
Arthritis
366
Heart disease
259
Diabetes
244
Cancer
153
Lung condition
130
Kidney disease
101
Stroke
100
Dementia
23

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

Unpaid Carers

Provided unpaid assistance
16.7% 1,633
Did not provide
83.3% 8,162

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
14.5% 1,420
Not a volunteer
85.5% 8,399

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Regular
0.1% 8
Current ADF: Reserves
0.2% 17
Previously served
2.0% 193
Never served
97.8% 9,637

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
31.2%
1 child
10.2%
2 children
34.2%
3 children
18.7%
4 children
4.7%
5+ children
1.0%

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

When Migrants Arrived

Before 1951
24
1951: 1960
128
1961: 1970
256
1971: 1980
170
1981: 1990
203
1991: 2000
205
2001: 2010
450
2011: 2015
253
2016
34
2017
29
2018
17
2019
20
2020
8
2021
3

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

Population Mobility

8.1%
moved in the last year
29.4%
moved in the last 5 years
3.4%
unemployment rate (Census)
72.5%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
11,085
Moved from VIC
768
Moved: same area (SA2)
138
Moved from overseas
27
Moved from NSW
12
Moved from QLD
9
Moved from SA
9
Moved from NT
4

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

Unpaid Domestic Work

Less than 5 hours
23.3%
5: 14 hours
32.6%
15: 29 hours
14.2%
30+ hours
9.1%
Did not do domestic work
20.8%

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

Family Blending

Intact family: no other children
90.0%
Step family: no other children
7.0%
Blended family: no other children
2.7%
Intact family: other children present
0.3%

Source: ABS Census 2021, G31 Family Blending by SAL

Diamond Creek Crime Statistics

538 reported offences in 2025-25, by category.

Theft
196
Assault
95
Justice Procedures
79
Property Damage
53
Break & Enter
51
Fraud
21
Drug Offences
14
Weapons
13
Public Order
9
Robbery
5
Traffic
1
Other
1

Total offences by year

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025

Source: Crime Statistics Agency Victoria (crimestatistics.vic.gov.au).

Cheaper alternatives with similar incomes

Suburbs near Diamond Creek

The closest suburb to Diamond Creek is Yarrambat, 3.0 km away.

Yarrambat
3.0 km away · income $867/wk · rent $450/wk
Wattle Glen
3.4 km away · income $850/wk · rent $420/wk
Plenty (Vic.)
3.7 km away · income $1,028/wk · rent $392/wk
St Helena
3.8 km away · income $925/wk · rent $163/wk
Eltham North
4.2 km away · income $1,027/wk · rent $512/wk
Hurstbridge
4.7 km away · income $898/wk · rent $420/wk

Frequently Asked Questions About Diamond Creek

What is the population of Diamond Creek VIC?

The population of Diamond Creek VIC is 12,503 according to the ABS Census 2021. The suburb has a population density of 701 people per km². Diamond Creek is ranked #411 out of 14,663 suburbs by population.

What is the median income in Diamond Creek?

The median personal income in Diamond Creek VIC is $983 per week, or $51,116 per year. The median household income is $2,508 per week. Family income is $2,761 per week. Diamond Creek is ranked #1,320 by income out of 14,663 Australian suburbs.

How much is rent in Diamond Creek?

Median rent in Diamond Creek VIC is $430 per week ($1,863 per month). Rent represents 17.1% of household income, which is considered affordable. Diamond Creek ranks #1,360 out of 14,663 suburbs by rent.

What are mortgage repayments in Diamond Creek?

The median monthly mortgage repayment in Diamond Creek VIC is $2,167. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Diamond Creek?

The median age in Diamond Creek VIC is 39 years. This is older than the national median age of 38 years.

Is Diamond Creek a good suburb to live in?

Diamond Creek is a suburb in Victoria with a population of 12,503. The median income is $983/wk, which is above the typical VIC suburb ($767/wk). Rent affordability is rated as affordable (17.1% of household income). See the full suburb profile above for detailed statistics.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 20752. All dollar figures in AUD.