Five year age groups
There were 34 people over the age of 85 living in Black Forest in 2016, with largest age group being 25 to 29 year olds.
The Age Structure of Black Forest provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Black Forest'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|
|Black Forest - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||City of Unley %||Number||%||City of Unley %||2011 to 2016|
|0 to 4||99||5.1||4.7||128||6.4||5.4||-29|
|5 to 9||117||6.1||5.7||103||5.2||5.6||+14|
|10 to 14||97||5.0||5.5||84||4.2||5.1||+13|
|15 to 19||80||4.1||5.8||119||6.0||5.6||-39|
|20 to 24||144||7.5||6.8||189||9.5||7.7||-45|
|25 to 29||176||9.1||7.0||157||7.9||7.4||+19|
|30 to 34||154||8.0||6.6||135||6.8||6.5||+19|
|35 to 39||133||6.9||6.4||161||8.1||6.9||-28|
|40 to 44||121||6.3||6.7||144||7.2||7.1||-23|
|45 to 49||122||6.3||6.7||136||6.8||6.9||-14|
|50 to 54||133||6.9||6.4||144||7.2||6.9||-11|
|55 to 59||138||7.2||6.3||127||6.4||6.8||+11|
|60 to 64||114||5.9||6.2||123||6.2||5.9||-9|
|65 to 69||125||6.5||5.6||73||3.7||4.0||+52|
|70 to 74||61||3.2||3.9||60||3.0||3.1||+1|
|75 to 79||45||2.3||3.0||42||2.1||2.5||+3|
|80 to 84||35||1.8||2.3||40||2.0||2.7||-5|
|85 and over||34||1.8||4.3||29||1.5||4.1||+5|
Please refer to specific data notes for more information
Analysis of the five year age groups of Black Forest in 2016 compared to City of Unley shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 16.2% of the population was aged between 0 and 15, and 15.6% were aged 65 years and over, compared with 15.9% and 19.2% respectively for City of Unley.
The major differences between the age structure of Black Forest and City of Unley were:
- A larger percentage of persons aged 25 to 29 (9.1% compared to 7.0%)
- A larger percentage of persons aged 30 to 34 (8.0% compared to 6.6%)
- A smaller percentage of persons aged 85 and over (1.8% compared to 4.3%)
- A smaller percentage of persons aged 15 to 19 (4.1% compared to 5.8%)
From 2011 to 2016, Black Forest's population decreased by 66 people (3.3%). This represents an average annual population change of -0.67% per year over the period.
The largest change in age structure in this area between 2011 and 2016 was in the age group:
- 65 to 69 (+52 persons)