City of Hobsons BayCommunity profile
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Seabrook had a higher proportion of pre-schoolers and a lower proportion of persons at post retirement age than Hobsons Bay City in 2011.

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.

Derived from the Census question:

'What is the person's date of birth (or age last birthday)?'

Total population

Age structure - Service age groups
Seabrook - Total persons (Usual residence)20112006Change
Service age group (years)Number%Hobsons Bay City %Number%Hobsons Bay City %2006 to 2011
map this data in atlas.idBabies and pre-schoolers (0 to 4)4058.16.94519.06.6-46
map this data in atlas.idPrimary schoolers (5 to 11)52010.47.959712.09.0-77
map this data in atlas.idSecondary schoolers (12 to 17)4358.76.94609.27.6-25
map this data in atlas.idTertiary education and independence (18 to 24)4188.48.64228.58.4-4
map this data in atlas.idYoung workforce (25 to 34)64112.914.571614.313.9-75
map this data in atlas.idParents and homebuilders (35 to 49)1,38527.823.51,47729.624.5-92
map this data in atlas.idOlder workers and pre-retirees (50 to 59)60412.112.850510.112.0+99
map this data in atlas.idEmpty nesters and retirees (60 to 69)3517.18.82585.28.0+93
map this data in atlas.idSeniors (70 to 84)2094.28.3971.98.5+112
map this data in atlas.idElderly aged (85 and over)100.21.9110.21.5-1

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - service age groups, 2011
Age structure - service age groups, 2011 Babies and pre-schoolers (0 to 4), Hobsons Bay City: 6.9% Primary schoolers (5 to 11), Hobsons Bay City: 7.9% Secondary schoolers (12 to 17), Hobsons Bay City: 6.9% Tertiary education and independence (18 to 24), Hobsons Bay City: 8.6% Young workforce (25 to 34), Hobsons Bay City: 14.5% Parents and homebuilders (35 to 49), Hobsons Bay City: 23.5% Older workers and pre-retirees (50 to 59), Hobsons Bay City: 12.8% Empty nesters and retirees (60 to 69), Hobsons Bay City: 8.8% Seniors (70 to 84), Hobsons Bay City: 8.3% Elderly aged (85 and over), Hobsons Bay City: 1.9% Babies and pre-schoolers (0 to 4), Seabrook: 8.1% Primary schoolers (5 to 11), Seabrook: 10.4% Secondary schoolers (12 to 17), Seabrook: 8.7% Tertiary education and independence (18 to 24), Seabrook: 8.4% Young workforce (25 to 34), Seabrook: 12.9% Parents and homebuilders (35 to 49), Seabrook: 27.8% Older workers and pre-retirees (50 to 59), Seabrook: 12.1% Empty nesters and retirees (60 to 69), Seabrook: 7.1% Seniors (70 to 84), Seabrook: 4.2% Elderly aged (85 and over), Seabrook: 0.2%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - service age groups, 2006 to 2011
Change in age structure - service age groups, 2006 to 2011 Babies and pre-schoolers (0 to 4), Seabrook: -46 Primary schoolers (5 to 11), Seabrook: -77 Secondary schoolers (12 to 17), Seabrook: -25 Tertiary education and independence (18 to 24), Seabrook: -4 Young workforce (25 to 34), Seabrook: -75 Parents and homebuilders (35 to 49), Seabrook: -92 Older workers and pre-retirees (50 to 59), Seabrook: +99 Empty nesters and retirees (60 to 69), Seabrook: +93 Seniors (70 to 84), Seabrook: +112 Elderly aged (85 and over), Seabrook: -1
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the service age groups of Seabrook in 2011 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, 27.3% of the population was aged between 0 and 17, and 11.5% were aged 60 years and over, compared with 21.6% and 19.0% respectively for Hobsons Bay City.

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

  • A larger percentage of 'Parents and homebuilders' (27.8% compared to 23.5%)
  • A larger percentage of 'Primary schoolers' (10.4% compared to 7.9%)
  • A larger percentage of 'Secondary schoolers' (8.7% compared to 6.9%)
  • A smaller percentage of 'Seniors' (4.2% compared to 8.3%)

Emerging groups

From 2006 to 2011, Seabrook's population decreased by 16 people (0.3%). This represents an average annual population change of -0.06% per year over the period.

The largest changes in the age structure in this area between 2006 and 2011 were in the age groups:

  • Seniors (70 to 84) (+112 people)
  • Older workers and pre-retirees (50 to 59) (+99 people)
  • Empty nesters and retirees (60 to 69) (+93 people)
  • Parents and homebuilders (35 to 49) (-92 people)