Bonnyrigg Heights
Five year age groups
In 2021, the largest age group in Bonnyrigg Heights was 25 to 29 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 349 people.
The Age Structure of Bonnyrigg Heights provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bonnyrigg Heights'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 Bonnyrigg Heights'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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Bonnyrigg Heights - Total persons (Enumerated) | 2021 | 2001 | Change | |||||
| Five year age groups (years) | Number | % | Fairfield City % | Number | % | Fairfield City % | 2001 to 2021 | |
| 0 to 4 | 343 | 4.7 | 5.2 | 555 | 7.8 | 7.2 | -212 | 2001 |
| 5 to 9 | 404 | 5.5 | 6.1 | 676 | 9.6 | 7.8 | -272 | 2002 |
| 10 to 14 | 525 | 7.2 | 6.6 | 647 | 9.1 | 7.6 | -122 | 2003 |
| 15 to 19 | 572 | 7.8 | 7.0 | 663 | 9.4 | 8.0 | -91 | 2004 |
| 20 to 24 | 523 | 7.1 | 7.1 | 534 | 7.5 | 7.3 | -11 | 2005 |
| 25 to 29 | 596 | 8.1 | 6.8 | 536 | 7.6 | 7.3 | +60 | 2006 |
| 30 to 34 | 429 | 5.8 | 6.1 | 531 | 7.5 | 7.4 | -102 | 2007 |
| 35 to 39 | 440 | 6.0 | 6.1 | 610 | 8.6 | 7.8 | -170 | 2008 |
| 40 to 44 | 363 | 4.9 | 5.9 | 638 | 9.0 | 8.0 | -275 | 2009 |
| 45 to 49 | 473 | 6.4 | 6.4 | 560 | 7.9 | 7.2 | -87 | 2010 |
| 50 to 54 | 496 | 6.8 | 6.7 | 397 | 5.6 | 6.3 | +99 | 2011 |
| 55 to 59 | 558 | 7.6 | 6.8 | 260 | 3.7 | 4.5 | +298 | 2012 |
| 60 to 64 | 498 | 6.8 | 6.6 | 188 | 2.7 | 3.8 | +310 | 2013 |
| 65 to 69 | 463 | 6.3 | 5.5 | 114 | 1.6 | 3.2 | +349 | 2014 |
| 70 to 74 | 303 | 4.1 | 4.3 | 86 | 1.2 | 2.8 | +217 | 2015 |
| 75 to 79 | 171 | 2.3 | 2.8 | 37 | 0.5 | 2.0 | +134 | 2016 |
| 80 to 84 | 101 | 1.4 | 2.0 | 27 | 0.4 | 1.1 | +74 | 2017 |
| 85 and over | 82 | 1.1 | 2.1 | 15 | 0.2 | 0.8 | +67 | 2018 |
| Total population | 7,340 | 100.0 | 100.0 | 7,074 | 100.0 | 100.0 | +266 | |
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 Bonnyrigg Heights in 2021 compared to Fairfield City shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 17.3% of the population was aged between 0 and 15, and 15.3% were aged 65 years and over, compared with 17.9% and 16.7% respectively for Fairfield City.
The major differences between the age structure of Bonnyrigg Heights and Fairfield City were:
- A larger percentage of persons aged 25 to 29 (8.1% compared to 6.8%)
- A larger percentage of persons aged 65 to 69 (6.3% compared to 5.5%)
- A smaller percentage of persons aged 85 and over (1.1% compared to 2.1%)
- A smaller percentage of persons aged 40 to 44 (4.9% compared to 5.9%)
Emerging groups
From 2001 to 2021, Bonnyrigg Heights's population increased by 266 people (3.8%). This represents an average annual population change of 0.18% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 65 to 69 (+349 persons)
- 60 to 64 (+310 persons)
- 55 to 59 (+298 persons)
- 40 to 44 (-275 persons)