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City of KnoxCommunity profile

In 2021, Boronia had lower proportion of children (under 18) and a lower proportion of persons aged 60 or older than the City of Knox.

The Age Structure of Boronia provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Boronia'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 Boronia'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?'

Age structure - Service age groups
Boronia - Total persons (Enumerated)20212006Change
Service age group (years)Number%City of Knox %Number%City of Knox %2006 to 2021
Babies and pre-schoolers (0 to 4)1,4506.25.31,1615.86.2+288
Primary schoolers (5 to 11)1,8567.98.31,7598.89.7+96
Secondary schoolers (12 to 17)1,4176.07.11,5677.89.5-150
Tertiary education and independence (18 to 24)1,7157.38.41,8719.310.0-157
Young workforce (25 to 34)3,72615.812.72,91914.612.8+806
Parents and homebuilders (35 to 49)5,14421.920.84,21421.023.4+930
Older workers and pre-retirees (50 to 59)2,77311.813.52,74613.713.7+27
Empty nesters and retirees (60 to 69)2,48310.611.51,8379.27.6+645
Seniors (70 to 84)2,44310.410.11,5887.95.8+854
Elderly aged (85 and over)5272.22.33541.81.4+173
Total23,534100.0100.020,021100.0100.0+3,512
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the service age groups of Boronia in 2021 compared to the City of Knox shows that there was a lower proportion of people in the younger age groups (0 to 17 years) as well as a lower proportion of people in the older age groups (60+ years).

Overall, 20.1% of the population was aged between 0 and 17, and 23.2% were aged 60 years and over, compared with 20.7% and 23.9% respectively for the City of Knox.

The major differences between the age structure of Boronia and the City of Knox were:

  • A larger percentage of 'Young workforce' (15.8% compared to 12.7%)
  • A larger percentage of 'Parents and homebuilders' (21.9% compared to 20.8%)
  • A smaller percentage of 'Older workers & pre-retirees' (11.8% compared to 13.5%)
  • A smaller percentage of 'Tertiary education & independence' (7.3% compared to 8.4%)

Emerging groups

From 2006 to 2021, Boronia's population increased by 3,513 people (17.5%). This represents an average annual population change of 1.08% per year over the period.

The largest changes in the age structure in this area between 2006 and 2021 were in the age groups:

  • Parents and homebuilders (35 to 49) (+930 people)
  • Seniors (70 to 84) (+854 people)
  • Young workforce (25 to 34) (+806 people)
  • Empty nesters and retirees (60 to 69) (+645 people)

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