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City of GosnellsCommunity profile

Thornlie

Service age groups

In 2021, Thornlie had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Huntingdale.

The Age Structure of Thornlie provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Thornlie'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 Thornlie'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
Thornlie - Total persons (Usual residence)20212016Change
Service age group (years)Number%Huntingdale %Number%Huntingdale %2016 to 2021
Babies and pre-schoolers (0 to 4)1,4276.07.61,4996.57.4-72
Primary schoolers (5 to 11)2,2429.510.52,0518.911.1+191
Secondary schoolers (12 to 17)1,7997.68.71,7677.68.2+32
Tertiary education and independence (18 to 24)2,0218.59.02,1189.19.7-97
Young workforce (25 to 34)2,99812.713.73,40214.716.3-404
Parents and homebuilders (35 to 49)4,88620.622.04,67620.222.1+210
Older workers and pre-retirees (50 to 59)2,87712.212.32,93112.711.3-54
Empty nesters and retirees (60 to 69)2,77611.79.32,64811.48.8+128
Seniors (70 to 84)2,3129.86.11,7947.74.5+518
Elderly aged (85 and over)3291.40.82741.20.7+55
Total23,667100.0100.023,160100.0100.0+507
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 Thornlie in 2021 compared to Huntingdale shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 23.1% of the population was aged between 0 and 17, and 22.9% were aged 60 years and over, compared with 26.8% and 16.2% respectively for Huntingdale.

The major differences between the age structure of Thornlie and Huntingdale were:

  • A larger percentage of 'Seniors' (9.8% compared to 6.1%)
  • A larger percentage of 'Empty nesters and retirees' (11.7% compared to 9.3%)
  • A smaller percentage of 'Babies and pre-schoolers' (6.0% compared to 7.6%)
  • A smaller percentage of 'Parents and homebuilders' (20.6% compared to 22.0%)

Emerging groups

From 2016 to 2021, Thornlie's population increased by 507 people (2.2%). This represents an average annual population change of 0.43% per year over the period.

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

  • Seniors (70 to 84) (+518 people)
  • Young workforce (25 to 34) (-404 people)
  • Parents and homebuilders (35 to 49) (+210 people)
  • Primary schoolers (5 to 11) (+191 people)

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