Black Rock had a lower proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Bayside in 2016.
The Age Structure of Black Rock provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Black Rock'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.
Derived from the Census question:
'What is the person's date of birth or age?'
Please refer to specific data notes for more information
Analysis of the service age groups of Black Rock in 2016 compared to City of Bayside shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).
Overall, 21.9% of the population was aged between 0 and 17, and 29.5% were aged 60 years and over, compared with 23.0% and 25.2% respectively for City of Bayside.
The major differences between the age structure of Black Rock and City of Bayside were:
- A larger percentage of 'Empty nesters and retirees (60 to 69)' (14.3% compared to 11.5%)
- A larger percentage of 'Seniors (70 to 84)' (11.5% compared to 9.9%)
- A smaller percentage of 'Young workforce (25 to 34)' (6.9% compared to 8.2%)
- A smaller percentage of 'Parents and homebuilders (35 to 49)' (20.2% compared to 21.3%)
From 2011 to 2016, Black Rock's population increased by 244 people (4.0%). This represents an average annual population change of 0.79% per year over the period.
The largest changes in the age structure in this area between 2011 and 2016 were in the age groups:
- Empty nesters and retirees (60 to 69) (+114 people)
- Secondary schoolers (12 to 17) (+112 people)
- Older workers and pre-retirees (50 to 59) (+92 people)