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Blacktown City CouncilCommunity profile
Service age groups Five year age groups Age-sex pyramid

Riverstone Precinct

Service age groups

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In 2021, Riverstone Precinct had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Prospect - Huntingwood - Arndell Park.

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

Refers to:

Total population

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Age structure - Service age groups
Riverstone Precinct - Total persons (Usual residence)20212016Change
Service age group (years)Number%Prospect - Huntingwood - Arndell Park %Number%Prospect - Huntingwood - Arndell Park %2016 to 2021
Babies and pre-schoolers (0 to 4)9,5487.96.67,5648.56.3+1,983
Primary schoolers (5 to 11)14,59512.18.210,63612.09.0+3,958
Secondary schoolers (12 to 17)10,2128.57.57,4348.47.9+2,777
Tertiary education and independence (18 to 24)10,1348.49.17,6238.69.1+2,510
Young workforce (25 to 34)17,50814.513.713,37515.113.8+4,132
Parents and homebuilders (35 to 49)33,23327.621.822,69225.620.6+10,541
Older workers and pre-retirees (50 to 59)11,7799.812.49,39510.613.5+2,384
Empty nesters and retirees (60 to 69)7,7276.411.36,1757.012.2+1,552
Seniors (70 to 84)5,2124.38.63,1913.66.9+2,021
Elderly aged (85 and over)6660.60.84580.50.7+207
Total120,614100.0100.088,548100.0100.0+32,066
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
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 and 2021 (Usual residence data). Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the service age groups of Riverstone Precinct in 2021 compared to Prospect - Huntingwood - Arndell Park 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, 28.5% of the population was aged between 0 and 17, and 11.3% were aged 60 years and over, compared with 22.3% and 20.7% respectively for Prospect - Huntingwood - Arndell Park.

The major differences between the age structure of Riverstone Precinct and Prospect - Huntingwood - Arndell Park were:

  • A larger percentage of 'Parents and homebuilders' (27.6% compared to 21.8%)
  • A larger percentage of 'Primary schoolers' (12.1% compared to 8.2%)
  • A smaller percentage of 'Empty nesters and retirees' (6.4% compared to 11.3%)
  • A smaller percentage of 'Seniors' (4.3% compared to 8.6%)

Emerging groups

From 2016 to 2021, Riverstone Precinct's population increased by 32,066 people (36.2%). This represents an average annual population change of 6.38% per year over the period.

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

  • Parents and homebuilders (35 to 49) (+10,541 people)
  • Young workforce (25 to 34) (+4,132 people)
  • Primary schoolers (5 to 11) (+3,958 people)
  • Secondary schoolers (12 to 17) (+2,777 people)

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