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Shire of Serpentine JarrahdaleCommunity profile

Shire of Serpentine Jarrahdale

Service age groups

In 2021, the Shire of Serpentine Jarrahdale had higher proportion of children (under 18) and a similar proportion of persons aged 60 or older than Cardup area.

The Age Structure of the Shire of Serpentine Jarrahdale provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the Shire of Serpentine Jarrahdale'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 the Shire of Serpentine Jarrahdale'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
Shire of Serpentine Jarrahdale - Total persons (Usual residence)20212016Change
Service age group (years)Number%Cardup area %Number%Cardup area %2016 to 2021
Babies and pre-schoolers (0 to 4)2,7778.65.22,3258.75.8+452
Primary schoolers (5 to 11)3,77311.710.32,95411.011.2+819
Secondary schoolers (12 to 17)2,6818.311.22,1668.110.7+515
Tertiary education and independence (18 to 24)2,4937.79.22,4399.110.1+54
Young workforce (25 to 34)4,89615.28.04,46016.69.0+436
Parents and homebuilders (35 to 49)6,74721.022.85,64421.026.2+1,103
Older workers and pre-retirees (50 to 59)3,96312.317.83,24812.114.7+715
Empty nesters and retirees (60 to 69)2,6738.39.62,1307.98.7+543
Seniors (70 to 84)1,9176.05.61,2704.73.4+647
Elderly aged (85 and over)2490.80.21890.70.3+60
Total32,169100.0100.026,825100.0100.0+5,344
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 the Shire of Serpentine Jarrahdale in 2021 compared to Cardup area shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a similar proportion of people in the older age groups (60+ years).

Overall, 28.7% of the population was aged between 0 and 17, and 15.0% were aged 60 years and over, compared with 26.7% and 15.4% respectively for Cardup area.

The major differences between the age structure of the Shire of Serpentine Jarrahdale and Cardup area were:

  • A larger percentage of 'Young workforce' (15.2% compared to 8.0%)
  • A larger percentage of 'Babies and pre-schoolers' (8.6% compared to 5.2%)
  • A smaller percentage of 'Older workers & pre-retirees' (12.3% compared to 17.8%)
  • A smaller percentage of 'Secondary schoolers' (8.3% compared to 11.2%)

Emerging groups

From 2016 to 2021, Shire of Serpentine Jarrahdale's population increased by 5,344 people (19.9%). This represents an average annual population change of 3.7% per year over the period.

The largest changes in the age structure in this area between 2016 and 2021 were in the age groups:

  • Parents and homebuilders (35 to 49) (+1,103 people)
  • Primary schoolers (5 to 11) (+819 people)
  • Older workers and pre-retirees (50 to 59) (+715 people)
  • Seniors (70 to 84) (+647 people)

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