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Black Rock

Service age groups

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

Black Rock had a lower proportion of pre-schoolers and a higher proportion of persons at post retirement age than City of Bayside in 2016.

The Age Structure of Black Rock provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Black Rock'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 Black Rock'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?'

Total population

Age structure - Service age groups
Black Rock - Total persons (Usual residence)20162011Change
Service age group (years)Number%City of Bayside %Number%City of Bayside %2011 to 2016
map this data in atlas.idBabies and pre-schoolers (0 to 4)2654.25.13135.26.0-48
map this data in atlas.idPrimary schoolers (5 to 11)5829.29.75709.49.7+12
map this data in atlas.idSecondary schoolers (12 to 17)5308.48.24186.97.7+112
map this data in atlas.idTertiary education and independence (18 to 24)3966.37.44096.87.7-13
map this data in atlas.idYoung workforce (25 to 34)4336.98.24737.87.8-40
map this data in atlas.idParents and homebuilders (35 to 49)1,26820.221.31,29521.422.9-27
map this data in atlas.idOlder workers and pre-retirees (50 to 59)96015.314.986814.414.2+92
map this data in atlas.idEmpty nesters and retirees (60 to 69)90214.311.578813.011.0+114
map this data in atlas.idSeniors (70 to 84)72111.59.968511.39.3+36
map this data in atlas.idElderly aged (85 and over)2343.73.72283.83.6+7

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Age structure - service age groups, 2016
Age structure - service age groups, 2016 Babies and pre-schoolers (0 to 4), City of Bayside: 5.1% Primary schoolers (5 to 11), City of Bayside: 9.7% Secondary schoolers (12 to 17), City of Bayside: 8.2% Tertiary education and independence (18 to 24), City of Bayside: 7.4% Young workforce (25 to 34), City of Bayside: 8.2% Parents and homebuilders (35 to 49), City of Bayside: 21.3% Older workers and pre-retirees (50 to 59), City of Bayside: 14.9% Empty nesters and retirees (60 to 69), City of Bayside: 11.5% Seniors (70 to 84), City of Bayside: 9.9% Elderly aged (85 and over), City of Bayside: 3.7% Babies and pre-schoolers (0 to 4), Black Rock: 4.2% Primary schoolers (5 to 11), Black Rock: 9.2% Secondary schoolers (12 to 17), Black Rock: 8.4% Tertiary education and independence (18 to 24), Black Rock: 6.3% Young workforce (25 to 34), Black Rock: 6.9% Parents and homebuilders (35 to 49), Black Rock: 20.2% Older workers and pre-retirees (50 to 59), Black Rock: 15.3% Empty nesters and retirees (60 to 69), Black Rock: 14.3% Seniors (70 to 84), Black Rock: 11.5% Elderly aged (85 and over), Black Rock: 3.7%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - service age groups, 2011 to 2016
Change in age structure - service age groups, 2011 to 2016 Babies and pre-schoolers (0 to 4), Black Rock: -48 Primary schoolers (5 to 11), Black Rock: +12 Secondary schoolers (12 to 17), Black Rock: +112 Tertiary education and independence (18 to 24), Black Rock: -13 Young workforce (25 to 34), Black Rock: -40 Parents and homebuilders (35 to 49), Black Rock: -27 Older workers and pre-retirees (50 to 59), Black Rock: +92 Empty nesters and retirees (60 to 69), Black Rock: +114 Seniors (70 to 84), Black Rock: +36 Elderly aged (85 and over), Black Rock: +7
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the service age groups of Black Rock in 2016 compared to City of Bayside 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, 21.9% of the population was aged between 0 and 17, and 29.5% were aged 60 years and over, compared with 23.0% and 25.2% respectively for City of Bayside.

The major differences between the age structure of Black Rock and City of Bayside were:

  • A larger percentage of 'Empty nesters and retirees' (14.3% compared to 11.5%)
  • A larger percentage of 'Seniors' (11.5% compared to 9.9%)
  • A smaller percentage of 'Young workforce' (6.9% compared to 8.2%)
  • A smaller percentage of 'Parents and homebuilders' (20.2% compared to 21.3%)

Emerging groups

From 2011 to 2016, Black Rock's population increased by 244 people (4.0%). This represents an average annual population change of 0.79% 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) (+114 people)
  • Secondary schoolers (12 to 17) (+112 people)
  • Older workers and pre-retirees (50 to 59) (+92 people)

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