Five year age groups
There were 141 people over the age of 85 living in Blackwood in 2016, with largest age group being 45 to 49 year olds.
The Age Structure of Blackwood provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Blackwood'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.
Derived from the Census question:
'What is the person's date of birth or age?'
|Age structure - Five year age groups|
|Blackwood - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||City of Mitcham %||Number||%||City of Mitcham %||2011 to 2016|
|0 to 4||214||5.2||5.3||221||5.5||5.7||-7|
|5 to 9||246||6.0||6.2||205||5.1||5.8||+41|
|10 to 14||228||5.5||6.1||210||5.2||6.0||+18|
|15 to 19||213||5.2||6.6||255||6.3||6.8||-42|
|20 to 24||239||5.8||6.4||218||5.4||6.8||+21|
|25 to 29||200||4.9||5.1||152||3.8||5.5||+48|
|30 to 34||213||5.2||5.6||221||5.5||5.4||-8|
|35 to 39||240||5.8||6.0||254||6.3||6.5||-14|
|40 to 44||275||6.7||6.9||307||7.6||7.1||-32|
|45 to 49||299||7.2||7.1||296||7.3||7.0||+3|
|50 to 54||296||7.2||6.7||307||7.6||7.2||-11|
|55 to 59||289||7.0||6.6||320||7.9||6.4||-31|
|60 to 64||273||6.6||5.8||315||7.8||6.4||-42|
|65 to 69||250||6.1||5.7||243||6.0||4.9||+7|
|70 to 74||220||5.3||4.6||181||4.5||3.7||+39|
|75 to 79||178||4.3||3.4||130||3.2||3.0||+48|
|80 to 84||106||2.6||2.5||92||2.3||2.8||+14|
|85 and over||141||3.4||3.4||97||2.4||3.1||+44|
Please refer to specific data notes for more information
Analysis of the five year age groups of Blackwood in 2016 compared to City of Mitcham 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, 16.7% of the population was aged between 0 and 15, and 21.7% were aged 65 years and over, compared with 17.6% and 19.5% respectively for City of Mitcham.
The major differences between the age structure of Blackwood and City of Mitcham were:
- A larger percentage of persons aged 75 to 79 (4.3% compared to 3.4%)
- A larger percentage of persons aged 60 to 64 (6.6% compared to 5.8%)
- A larger percentage of persons aged 70 to 74 (5.3% compared to 4.6%)
- A smaller percentage of persons aged 15 to 19 (5.2% compared to 6.6%)
From 2011 to 2016, Blackwood's population increased by 96 people (2.4%). This represents an average annual population change of 0.47% per year over the period.
There were no major differences in Blackwood between 2011 and 2016.