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The Hills Shire CouncilCommunity profile

The Hills Shire

Five year age groups

In 2021, the largest age group in The Hills Shire was 40 to 44 year olds. The group that changed the most since 2001 was 35 to 39 year olds, increasing by 6,855 people.

The Age Structure of The Hills Shire provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of The Hills Shire's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture The Hills Shire'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 - Five year age groups
The Hills Shire - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Greater Sydney %Number%Greater Sydney %2001 to 2021
0 to 411,0635.86.07,2746.56.7+3,788
5 to 914,7057.76.38,4347.56.8+6,270
10 to 1414,8007.76.29,2748.36.7+5,525
15 to 1913,0556.85.69,3818.36.9+3,673
20 to 2411,3755.96.57,7066.97.1+3,669
25 to 298,8364.67.56,9096.17.9+1,927
30 to 3410,4975.58.07,4166.68.1+3,080
35 to 3915,2077.97.98,3517.48.0+6,855
40 to 4415,5738.17.09,0148.07.7+6,559
45 to 4914,3777.56.69,2438.26.9+5,133
50 to 5412,6496.66.29,3888.46.5+3,260
55 to 5911,0715.85.87,0356.34.9+4,035
60 to 649,8375.15.34,3523.93.9+5,485
65 to 698,9364.74.52,7112.43.2+6,224
70 to 747,8604.13.92,2622.03.0+5,598
75 to 795,4992.92.81,7531.62.6+3,746
80 to 843,2671.72.01,0140.91.7+2,253
85 and over2,8741.52.08460.81.4+2,027
Total population191,481100.0100.0112,373100.0100.0+79,107
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of The Hills Shire in 2021 compared to Greater Sydney shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).

Overall, 21.2% of the population was aged between 0 and 15, and 14.9% were aged 65 years and over, compared with 18.4% and 15.2% respectively for Greater Sydney.

The major differences between the age structure of The Hills Shire and Greater Sydney were:

  • A larger percentage of persons aged 10 to 14 (7.7% compared to 6.2%)
  • A larger percentage of persons aged 5 to 9 (7.7% compared to 6.3%)
  • A smaller percentage of persons aged 25 to 29 (4.6% compared to 7.5%)
  • A smaller percentage of persons aged 30 to 34 (5.5% compared to 8.0%)

Emerging groups

From 2001 to 2021, The Hills Shire's population increased by 79,108 people (70.4%). This represents an average annual population change of 2.7% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 35 to 39 (+6,855 persons)
  • 40 to 44 (+6,559 persons)
  • 5 to 9 (+6,270 persons)
  • 65 to 69 (+6,224 persons)

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