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City of OnkaparingaCommunity profile

Seaford Rise - Seaford Heights

Service age groups

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In 2021, Seaford Rise - Seaford Heights had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than the City of Onkaparinga.

The Age Structure of Seaford Rise - Seaford Heights provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Seaford Rise - Seaford Heights'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 Seaford Rise - Seaford Heights'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
Seaford Rise - Seaford Heights - Total persons (Usual residence)20212016Change
Service age group (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Babies and pre-schoolers (0 to 4)4676.55.44297.06.2+38
Primary schoolers (5 to 11)75610.58.667711.08.9+79
Secondary schoolers (12 to 17)5848.17.35308.67.5+54
Tertiary education and independence (18 to 24)5828.17.95108.38.4+72
Young workforce (25 to 34)97013.512.276312.412.4+207
Parents and homebuilders (35 to 49)1,46520.419.21,29721.119.7+168
Older workers and pre-retirees (50 to 59)95213.313.175012.213.3+202
Empty nesters and retirees (60 to 69)6699.312.35779.412.4+92
Seniors (70 to 84)6328.811.85018.19.1+131
Elderly aged (85 and over)981.42.21171.92.1-19
Total7,175100.0100.06,151100.0100.0+1,024
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 Seaford Rise - Seaford Heights in 2021 compared to the City of Onkaparinga shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).

Overall, 25.2% of the population was aged between 0 and 17, and 19.5% were aged 60 years and over, compared with 21.3% and 26.3% respectively for the City of Onkaparinga.

The major differences between the age structure of Seaford Rise - Seaford Heights and the City of Onkaparinga were:

  • A larger percentage of 'Primary schoolers' (10.5% compared to 8.6%)
  • A larger percentage of 'Young workforce' (13.5% compared to 12.2%)
  • A smaller percentage of 'Seniors' (8.8% compared to 11.8%)
  • A smaller percentage of 'Empty nesters and retirees' (9.3% compared to 12.3%)

Emerging groups

From 2016 to 2021, Seaford Rise - Seaford Heights's population increased by 1,024 people (16.6%). This represents an average annual population change of 3.13% per year over the period.

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

  • Young workforce (25 to 34) (+207 people)
  • Older workers and pre-retirees (50 to 59) (+202 people)
  • Parents and homebuilders (35 to 49) (+168 people)
  • Seniors (70 to 84) (+131 people)

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