Powered by .id (informed decisions) for Blacktown City Council
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LEARN MORE ABOUT .idIn 2021, Blacktown City had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Marayong.
The Age Structure of Blacktown City provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Blacktown City's residential role and function and how it is likely to change in the future.
Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.
To get a more complete picture Blacktown 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?'
Dominant groups
Analysis of the service age groups of Blacktown City in 2021 compared to Marayong shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).
Overall, 26.5% of the population was aged between 0 and 17, and 15.5% were aged 60 years and over, compared with 22.8% and 22.2% respectively for Marayong.
The major differences between the age structure of Blacktown City and Marayong were:
- A larger percentage of 'Parents and homebuilders' (23.4% compared to 19.5%)
- A larger percentage of 'Primary schoolers' (10.9% compared to 9.1%)
- A smaller percentage of 'Seniors' (6.2% compared to 9.5%)
- A smaller percentage of 'Empty nesters and retirees' (8.2% compared to 10.2%)
Emerging groups
From 2011 to 2021, Blacktown City's population increased by 95,682 people (31.8%). This represents an average annual population change of 2.8% per year over the period.
The largest changes in the age structure in this area between 2011 and 2021 were in the age groups:
- Parents and homebuilders (35 to 49) (+27,199 people)
- Young workforce (25 to 34) (+12,700 people)
- Primary schoolers (5 to 11) (+10,859 people)
- Seniors (70 to 84) (+9,832 people)
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