Powered by .id (informed decisions) for Western Sydney (LGA)
.id community is an evidence base for over 250 local government areas in Australia and New Zealand, helping you make informed decisions.
LEARN MORE ABOUT .idIn 2021, the largest age group in Blue Mountains City was 60 to 64 year olds. The group that changed the most since 2006 was 70 to 74 year olds, increasing by 2,642 people.
The Age Structure of Blue Mountains City provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Blue Mountains City'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 Blue Mountains City's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Blue Mountains City - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Cumberland Council area % | Number | % | Cumberland Council area % | 2006 to 2021 |
| 0 to 4 | 3,889 | 5.0 | 7.0 | 4,711 | 6.4 | 7.6 | -822 |
| 5 to 9 | 4,705 | 6.0 | 6.8 | 5,051 | 6.8 | 7.1 | -346 |
| 10 to 14 | 5,037 | 6.4 | 6.1 | 5,359 | 7.2 | 6.9 | -322 |
| 15 to 19 | 4,665 | 6.0 | 5.4 | 5,289 | 7.1 | 7.3 | -624 |
| 20 to 24 | 3,421 | 4.4 | 7.9 | 3,969 | 5.4 | 8.0 | -548 |
| 25 to 29 | 3,098 | 4.0 | 9.4 | 3,345 | 4.5 | 8.1 | -247 |
| 30 to 34 | 4,028 | 5.2 | 9.2 | 4,321 | 5.8 | 7.8 | -293 |
| 35 to 39 | 4,678 | 6.0 | 8.5 | 5,140 | 6.9 | 7.2 | -462 |
| 40 to 44 | 4,905 | 6.3 | 6.8 | 5,526 | 7.5 | 7.1 | -621 |
| 45 to 49 | 5,489 | 7.0 | 5.6 | 6,026 | 8.1 | 6.5 | -537 |
| 50 to 54 | 5,472 | 7.0 | 5.4 | 5,930 | 8.0 | 5.8 | -458 |
| 55 to 59 | 5,408 | 6.9 | 5.2 | 5,431 | 7.3 | 5.2 | -23 |
| 60 to 64 | 5,794 | 7.4 | 4.6 | 4,073 | 5.5 | 4.0 | +1,721 |
| 65 to 69 | 5,533 | 7.1 | 3.8 | 2,919 | 3.9 | 3.2 | +2,614 |
| 70 to 74 | 4,984 | 6.4 | 3.1 | 2,342 | 3.2 | 2.7 | +2,642 |
| 75 to 79 | 3,339 | 4.3 | 2.2 | 1,908 | 2.6 | 2.3 | +1,431 |
| 80 to 84 | 1,921 | 2.5 | 1.5 | 1,480 | 2.0 | 1.8 | +441 |
| 85 and over | 1,763 | 2.3 | 1.5 | 1,245 | 1.7 | 1.3 | +518 |
| Total population | 78,129 | 100.0 | 100.0 | 74,065 | 100.0 | 100.0 | +4,064 |
Dominant groups
Analysis of the five year age groups of Blue Mountains City in 2021 compared to Cumberland Council area shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 17.4% of the population was aged between 0 and 15, and 22.5% were aged 65 years and over, compared with 19.9% and 12.1% respectively for Cumberland Council area.
The major differences between the age structure of Blue Mountains City and Cumberland Council area were:
- A larger percentage of persons aged 65 to 69 (7.1% compared to 3.8%)
- A smaller percentage of persons aged 25 to 29 (4.0% compared to 9.4%)
- A smaller percentage of persons aged 30 to 34 (5.2% compared to 9.2%)
- A smaller percentage of persons aged 20 to 24 (4.4% compared to 7.9%)
Emerging groups
From 2006 to 2021, Blue Mountains City's population increased by 4,064 people (5.5%). This represents an average annual population change of 0.36% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 70 to 74 (+2,642 persons)
- 65 to 69 (+2,614 persons)
- 60 to 64 (+1,721 persons)
- 75 to 79 (+1,431 persons)
DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.
Please view our Privacy Policy, Terms of use and Legal notices.
ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at www.abs.gov.au. ABS data can be used under license - terms published on ABS website. intermediary.management@abs.gov.au if you have any queries or wish to distribute any ABS data.