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Hobsons Bay CityCommunity profile

Seabrook

Service age groups

In 2021, Seabrook had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Hobsons Bay City.

The Age Structure of Seabrook provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Seabrook'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 Seabrook'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
Seabrook - Total persons (Enumerated)20211996Change
Service age group (years)Number%Hobsons Bay City %Number%Hobsons Bay City %1996 to 2021
Babies and pre-schoolers (0 to 4)3206.46.335412.57.7-34
Primary schoolers (5 to 11)56011.38.835012.49.4+210
Secondary schoolers (12 to 17)3487.06.41826.47.3+166
Tertiary education and independence (18 to 24)3697.46.92268.09.9+143
Young workforce (25 to 34)64513.013.777627.417.5-131
Parents and homebuilders (35 to 49)1,18123.822.761121.622.3+570
Older workers and pre-retirees (50 to 59)69914.113.31896.79.8+510
Empty nesters and retirees (60 to 69)49510.010.5802.88.2+415
Seniors (70 to 84)3066.29.0521.87.1+254
Elderly aged (85 and over)440.92.3120.40.8+32
Total4,967100.0100.02,832100.0100.0+2,135
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Seabrook in 2021 compared to Hobsons Bay City 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, 24.7% of the population was aged between 0 and 17, and 17.0% were aged 60 years and over, compared with 21.5% and 21.8% respectively for Hobsons Bay City.

The major differences between the age structure of Seabrook and Hobsons Bay City were:

  • A larger percentage of 'Primary schoolers' (11.3% compared to 8.8%)
  • A larger percentage of 'Parents and homebuilders' (23.8% compared to 22.7%)
  • A smaller percentage of 'Seniors' (6.2% compared to 9.0%)
  • A smaller percentage of 'Frail aged' (0.9% compared to 2.3%)

Emerging groups

From 1996 to 2021, Seabrook's population increased by 2,135 people (75.4%). This represents an average annual population change of 2.27% per year over the period.

The largest changes in the age structure in this area between 1996 and 2021 were in the age groups:

  • Parents and homebuilders (35 to 49) (+570 people)
  • Older workers and pre-retirees (50 to 59) (+510 people)
  • Empty nesters and retirees (60 to 69) (+415 people)
  • Seniors (70 to 84) (+254 people)

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