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City of OnkaparingaCommunity profile

Northern District

Service age groups

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In 2021, the Northern District had higher proportion of male children (under 18) and a higher proportion of males aged 60 or older than Christie Downs.

The Age Structure of the Northern District provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the Northern District'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 Northern District'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
Northern District - Total males (Enumerated)20212006Change
Service age group (years)Number%Christie Downs %Number%Christie Downs %2006 to 2021
Babies and pre-schoolers (0 to 4)1,0685.55.11,2426.44.9-175
Primary schoolers (5 to 11)1,7919.28.52,01510.48.6-225
Secondary schoolers (12 to 17)1,6028.28.11,8099.38.4-207
Tertiary education and independence (18 to 24)1,5748.19.72,03510.510.4-461
Young workforce (25 to 34)2,15011.012.72,35212.113.8-203
Parents and homebuilders (35 to 49)3,78919.420.14,23421.818.8-445
Older workers and pre-retirees (50 to 59)2,52112.912.23,01915.515.0-499
Empty nesters and retirees (60 to 69)2,43412.59.51,5097.89.5+924
Seniors (70 to 84)2,24111.511.81,0655.58.9+1,176
Elderly aged (85 and over)3661.92.31610.81.6+204
Total19,536100.0100.019,446100.0100.0+90
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 male service age groups of the Northern District in 2021 compared to Christie Downs shows that there was a higher proportion of males in the younger age groups (0 to 17 years) as well as a higher proportion of males in the older age groups (60+ years).

Overall, 22.8% of the male population was aged between 0 and 17, and 25.8% were aged 60 years and over, compared with 21.8% and 23.5% respectively for Christie Downs.

The major differences between the male age structure of the Northern District and Christie Downs were:

  • A larger percentage of 'Empty nesters and retirees' (12.5% compared to 9.5%)
  • A smaller percentage of 'Young workforce' (11.0% compared to 12.7%)
  • A smaller percentage of 'Tertiary education & independence' (8.1% compared to 9.7%)

Emerging groups

From 2006 to 2021, Northern District's male population increased by 90 people (0.5%). This represents an average annual population change of 0.03% per year over the period.

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

  • Seniors (70 to 84) (+1,176 males)
  • Empty nesters and retirees (60 to 69) (+924 males)
  • Older workers and pre-retirees (50 to 59) (-499 males)
  • Tertiary education and independence (18 to 24) (-461 males)

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