Five year age groups
There were 26 people over the age of 85 living in Mount Helena in 2016, with largest age group being 55 to 59 year olds.
The Age Structure of Mount Helena provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mount Helena'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|
|Mount Helena - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||Shire of Mundaring %||Number||%||Shire of Mundaring %||2011 to 2016|
|0 to 4||201||6.4||5.0||182||5.8||5.3||+19|
|5 to 9||221||7.0||6.0||226||7.2||6.3||-5|
|10 to 14||228||7.3||6.4||255||8.1||7.5||-28|
|15 to 19||236||7.5||6.6||271||8.6||7.6||-35|
|20 to 24||151||4.8||5.6||150||4.8||6.0||+1|
|25 to 29||153||4.9||5.3||90||2.9||4.4||+63|
|30 to 34||187||5.9||5.7||151||4.8||4.9||+36|
|35 to 39||212||6.8||6.0||198||6.3||6.5||+15|
|40 to 44||200||6.4||6.9||294||9.4||8.0||-94|
|45 to 49||253||8.1||8.1||285||9.1||8.4||-32|
|50 to 54||236||7.5||7.9||280||8.9||8.0||-44|
|55 to 59||254||8.1||7.4||223||7.1||7.0||+31|
|60 to 64||198||6.3||6.5||186||5.9||6.9||+12|
|65 to 69||178||5.7||6.2||149||4.8||4.9||+29|
|70 to 74||109||3.5||4.4||74||2.4||3.2||+35|
|75 to 79||56||1.8||2.8||62||2.0||2.2||-6|
|80 to 84||41||1.3||1.7||41||1.3||1.6||0|
|85 and over||26||0.8||1.6||17||0.6||1.3||+9|
Please refer to specific data notes for more information
Analysis of the five year age groups of Mount Helena in 2016 compared to Shire of Mundaring shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 20.7% of the population was aged between 0 and 15, and 13.1% were aged 65 years and over, compared with 17.4% and 16.7% respectively for Shire of Mundaring.
The major differences between the age structure of Mount Helena and Shire of Mundaring were:
- A larger percentage of persons aged 0 to 4 (6.4% compared to 5.0%)
- A larger percentage of persons aged 5 to 9 (7.0% compared to 6.0%)
- A larger percentage of persons aged 15 to 19 (7.5% compared to 6.6%)
- A smaller percentage of persons aged 75 to 79 (1.8% compared to 2.8%)
From 2011 to 2016, Mount Helena's population increased by 6 people (0.2%). This represents an average annual population change of 0.04% per year over the period.
The largest changes in age structure in this area between 2011 and 2016 were in the age groups:
- 40 to 44 (-94 persons)
- 25 to 29 (+63 persons)