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City of ParramattaCommunity profile

North Rocks

Service age groups

In 2021, North Rocks had similar proportion of female children (under 18) and a similar proportion of females aged 60 or older than North Rocks Ward.

The Age Structure of North Rocks provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of North Rocks'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 North Rocks'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
North Rocks - Total females (Enumerated)20212006Change
Service age group (years)Number%North Rocks Ward %Number%North Rocks Ward %2006 to 2021
Babies and pre-schoolers (0 to 4)2345.45.81905.46.2+44
Primary schoolers (5 to 11)4209.610.33289.48.6+91
Secondary schoolers (12 to 17)3518.17.02527.27.4+98
Tertiary education and independence (18 to 24)3257.56.92878.28.1+38
Young workforce (25 to 34)48611.110.937810.812.8+108
Parents and homebuilders (35 to 49)97822.423.280723.022.5+170
Older workers and pre-retirees (50 to 59)53312.212.157216.314.7-40
Empty nesters and retirees (60 to 69)47210.810.539711.311.0+74
Seniors (70 to 84)47911.011.32236.46.6+255
Elderly aged (85 and over)821.92.1722.11.9+10
Total4,360100.0100.03,511100.0100.0+848
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female service age groups of North Rocks in 2021 compared to North Rocks Ward shows that there was a similar proportion of females in the younger age groups (0 to 17 years) as well as a similar proportion of females in the older age groups (60+ years).

Overall, 23.1% of the female population was aged between 0 and 17, and 23.7% were aged 60 years and over, compared with 23.0% and 23.9% respectively for North Rocks Ward.

The major differences between the female age structure of North Rocks and North Rocks Ward were:

  • A larger percentage of 'Secondary schoolers' (8.1% compared to 7.0%)
  • A smaller percentage of 'Parents and homebuilders' (22.4% compared to 23.2%)

Emerging groups

From 2006 to 2021, North Rocks's female population increased by 849 people (24.2%). This represents an average annual population change of 1.45% per year over the period.

The largest changes in the female age structure in this area between 2006 and 2021 were in the age groups:

  • Seniors (70 to 84) (+255 females)
  • Parents and homebuilders (35 to 49) (+170 females)
  • Young workforce (25 to 34) (+108 females)
  • Secondary schoolers (12 to 17) (+98 females)

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