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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 2016 was 35 to 39 year olds, increasing by 4,048 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 (Usual residence)20212016Change
Five year age groups (years)Number%Bella Vista %Number%Bella Vista %2016 to 2021
0 to 411,0785.84.39,7726.25.1+1,306
5 to 914,7387.76.912,1647.76.7+2,574
10 to 1414,8527.77.311,6907.46.3+3,162
15 to 1913,0716.86.811,2517.28.3+1,820
20 to 2411,4366.07.29,7096.29.6+1,727
25 to 298,8354.65.57,6254.85.8+1,210
30 to 3410,4975.54.18,8775.64.4+1,620
35 to 3915,2147.96.311,1667.15.9+4,048
40 to 4415,6168.17.712,4607.96.7+3,156
45 to 4914,4197.57.211,8787.67.7+2,541
50 to 5412,7066.67.510,8066.98.8+1,900
55 to 5911,1055.87.79,8256.27.7+1,280
60 to 649,9035.27.08,7885.66.5+1,115
65 to 698,9814.75.97,9115.04.8+1,070
70 to 747,8764.14.25,6673.62.5+2,209
75 to 795,4662.82.03,5192.21.7+1,947
80 to 843,2541.71.42,1331.41.0+1,121
85 and over2,8451.50.92,0001.30.6+845
Total population191,892100.0100.0157,241100.0100.0+34,651
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

Dominant groups

Analysis of the five year age groups of The Hills Shire in 2021 compared to Bella Vista 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 14.8% were aged 65 years and over, compared with 18.5% and 14.5% respectively for Bella Vista.

The major differences between the age structure of The Hills Shire and Bella Vista were:

  • A larger percentage of persons aged 35 to 39 (7.9% compared to 6.3%)
  • A larger percentage of persons aged 0 to 4 (5.8% compared to 4.3%)
  • A smaller percentage of persons aged 55 to 59 (5.8% compared to 7.7%)
  • A smaller percentage of persons aged 60 to 64 (5.2% compared to 7.0%)

Emerging groups

From 2016 to 2021, The Hills Shire's population increased by 34,651 people (22.0%). This represents an average annual population change of 4.06% per year over the period.

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

  • 35 to 39 (+4,048 persons)
  • 10 to 14 (+3,162 persons)
  • 40 to 44 (+3,156 persons)
  • 5 to 9 (+2,574 persons)

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