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2016 Census data has been released and we are busy processing it to update this website. View our latest releases here.

Willunga and Surrounds

Service age groups

This topic has been updated with 2016 Census data for all areas. What's this?

Willunga and Surrounds had a lower proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Onkaparinga in 2016.

The Age Structure of Willunga and Surrounds provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Willunga and Surrounds'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 Willunga and Surrounds'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
Willunga and Surrounds - Total persons (Usual residence)20162011Change
Service age group (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2011 to 2016
Babies and pre-schoolers (0 to 4) 174 4.8 6.2 180 5.2 6.6 -6
Primary schoolers (5 to 11) 324 9.0 8.9 337 9.7 8.9 -13
Secondary schoolers (12 to 17) 304 8.4 7.5 377 10.8 8.2 -73
Tertiary education and independence (18 to 24) 271 7.5 8.4 215 6.2 8.9 +56
Young workforce (25 to 34) 241 6.7 12.4 219 6.3 12.6 +22
Parents and homebuilders (35 to 49) 782 21.7 19.7 783 22.5 20.9 -1
Older workers and pre-retirees (50 to 59) 589 16.3 13.3 594 17.1 13.6 -5
Empty nesters and retirees (60 to 69) 508 14.1 12.4 428 12.3 11.1 +80
Seniors (70 to 84) 361 10.0 9.1 312 9.0 7.5 +49
Elderly aged (85 and over) 57 1.6 2.1 38 1.1 1.8 +19
Total3,611100.0100.03,483100.0100.0+128
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the service age groups of Willunga and Surrounds in 2016 compared to City of Onkaparinga shows that there was a similar 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, 22.2% of the population was aged between 0 and 17, and 25.6% were aged 60 years and over, compared with 22.5% and 23.6% respectively for City of Onkaparinga.

The major differences between the age structure of Willunga and Surrounds and City of Onkaparinga were:

  • A larger percentage of 'Older workers and pre-retirees (50 to 59)' (16.3% compared to 13.3%)
  • A larger percentage of 'Parents and homebuilders (35 to 49)' (21.7% compared to 19.7%)
  • A larger percentage of 'Empty nesters and retirees (60 to 69)' (14.1% compared to 12.4%)
  • A smaller percentage of 'Young workforce (25 to 34)' (6.7% compared to 12.4%)

Emerging groups

From 2011 to 2016, Willunga and Surrounds's population increased by 128 people (3.7%). This represents an average annual population change of 0.72% per year over the period.

The largest changes in the age structure in this area between 2011 and 2016 were in the age groups:

  • Empty nesters and retirees (60 to 69) (+80 people)
  • Secondary schoolers (12 to 17) (-73 people)
  • Tertiary education and independence (18 to 24) (+56 people)