Donnybrook
Five year age groups
In 2021, the largest age group in Donnybrook was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 363 people.
The Age Structure of Donnybrook provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Donnybrook's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Donnybrook's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Derived from the Census question:
'What is the person's date of birth or age?'
Total population
| Age structure - Five year age groups | ||||||||
|---|---|---|---|---|---|---|---|---|
| Donnybrook - Total persons (Enumerated) | 2021 | 2001 | Change | |||||
| Five year age groups (years) | Number | % | Humevale - Kinglake West - Yan Yean % | Number | % | Humevale - Kinglake West - Yan Yean % | 2001 to 2021 | |
| 0 to 4 | 248 | 11.9 | 4.5 | 7 | 3.1 | 6.3 | +241 | 2001 |
| 5 to 9 | 174 | 8.4 | 5.4 | 14 | 6.5 | 6.2 | +159 | 2002 |
| 10 to 14 | 103 | 5.0 | 7.4 | 16 | 7.4 | 8.7 | +86 | 2003 |
| 15 to 19 | 59 | 2.8 | 7.2 | 20 | 9.2 | 7.2 | +38 | 2004 |
| 20 to 24 | 137 | 6.6 | 4.3 | 12 | 5.3 | 4.5 | +125 | 2005 |
| 25 to 29 | 273 | 13.1 | 6.3 | 11 | 5.2 | 5.7 | +261 | 2006 |
| 30 to 34 | 378 | 18.2 | 4.4 | 14 | 6.6 | 7.7 | +363 | 2007 |
| 35 to 39 | 291 | 14.0 | 4.5 | 16 | 7.2 | 7.8 | +275 | 2008 |
| 40 to 44 | 127 | 6.1 | 5.8 | 15 | 6.6 | 7.7 | +112 | 2009 |
| 45 to 49 | 66 | 3.2 | 8.5 | 20 | 8.9 | 8.2 | +46 | 2010 |
| 50 to 54 | 64 | 3.1 | 7.1 | 21 | 9.5 | 7.2 | +42 | 2011 |
| 55 to 59 | 46 | 2.2 | 7.2 | 19 | 8.6 | 8.3 | +26 | 2012 |
| 60 to 64 | 52 | 2.5 | 8.7 | 15 | 6.7 | 4.8 | +37 | 2013 |
| 65 to 69 | 34 | 1.6 | 5.5 | 9 | 4.2 | 3.8 | +24 | 2014 |
| 70 to 74 | 11 | 0.5 | 4.5 | 4 | 1.9 | 3.3 | +7 | 2015 |
| 75 to 79 | 10 | 0.5 | 4.0 | 4 | 2.2 | 1.7 | +5 | 2016 |
| 80 to 84 | 0 | 0.0 | 2.7 | 1 | 0.8 | 0.5 | -2 | 2017 |
| 85 and over | 6 | 0.3 | 1.8 | 0 | 0.0 | 0.4 | +6 | 2018 |
| Total population | 2,079 | 100.0 | 100.0 | 228 | 100.0 | 100.0 | +1,851 | |
Source: Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 2001 and 2021. Compiled and presented by .id (opens a new window)(informed decisions).
(Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Dominant groups
Analysis of the five year age groups of Donnybrook in 2021 compared to Humevale - Kinglake West - Yan Yean shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 25.3% of the population was aged between 0 and 15, and 2.9% were aged 65 years and over, compared with 17.3% and 18.6% respectively for Humevale - Kinglake West - Yan Yean.
The major differences between the age structure of Donnybrook and Humevale - Kinglake West - Yan Yean were:
- A larger percentage of persons aged 30 to 34 (18.2% compared to 4.4%)
- A larger percentage of persons aged 35 to 39 (14.0% compared to 4.5%)
- A larger percentage of persons aged 0 to 4 (11.9% compared to 4.5%)
- A larger percentage of persons aged 25 to 29 (13.1% compared to 6.3%)
Emerging groups
From 2001 to 2021, Donnybrook's population increased by 1,851 people (811.8%). This represents an average annual population change of 11.69% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 30 to 34 (+363 persons)
- 35 to 39 (+275 persons)
- 25 to 29 (+261 persons)
- 0 to 4 (+241 persons)