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City of OnkaparingaCommunity profile

Southern District

Service age groups

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In 2021, the Southern District had higher proportion of female children (under 18) and a lower proportion of females aged 60 or older than the Hills South District.

The Age Structure of the Southern 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 Southern 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 Southern 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
Southern District - Total females (Usual residence)20212001Change
Service age group (years)Number%Hills South District %Number%Hills South District %2001 to 2021
Babies and pre-schoolers (0 to 4)4345.34.02997.35.6+135
Primary schoolers (5 to 11)8059.88.550012.211.6+305
Secondary schoolers (12 to 17)6267.66.83518.69.1+274
Tertiary education and independence (18 to 24)5726.95.62786.85.1+294
Young workforce (25 to 34)90811.07.056613.810.8+342
Parents and homebuilders (35 to 49)1,70420.718.196223.523.5+742
Older workers and pre-retirees (50 to 59)1,08513.215.744310.813.2+642
Empty nesters and retirees (60 to 69)1,02212.415.23328.18.2+689
Seniors (70 to 84)91611.115.63147.710.8+601
Elderly aged (85 and over)1632.03.3411.02.2+122
Total8,235100.0100.04,089100.0100.0+4,145
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female service age groups of the Southern District in 2021 compared to the Hills South District shows that there was a higher proportion of females in the younger age groups (0 to 17 years) and a lower proportion of females in the older age groups (60+ years).

Overall, 22.6% of the female population was aged between 0 and 17, and 25.5% were aged 60 years and over, compared with 19.3% and 34.1% respectively for the Hills South District.

The major differences between the female age structure of the Southern District and the Hills South District were:

  • A larger percentage of 'Young workforce' (11.0% compared to 7.0%)
  • A larger percentage of 'Parents and homebuilders' (20.7% compared to 18.1%)
  • A smaller percentage of 'Seniors' (11.1% compared to 15.6%)
  • A smaller percentage of 'Empty nesters and retirees' (12.4% compared to 15.2%)

Emerging groups

From 2001 to 2021, Southern District's female population increased by 4,146 people (101.4%). This represents an average annual population change of 3.56% per year over the period.

The largest changes in the female age structure in this area between 2001 and 2021 were in the age groups:

  • Parents and homebuilders (35 to 49) (+742 females)
  • Empty nesters and retirees (60 to 69) (+689 females)
  • Older workers and pre-retirees (50 to 59) (+642 females)
  • Seniors (70 to 84) (+601 females)

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