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The Hills Shire CouncilCommunity profile

Norwest

Five year age groups

In 2021, the largest age group in Norwest was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 297 people.

The Age Structure of Norwest provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Norwest'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 Norwest'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
Norwest - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Bella Vista %Number%Bella Vista %2016 to 2021
0 to 42635.64.31376.45.1+125
5 to 92715.86.91095.06.7+162
10 to 141613.47.3944.36.3+67
15 to 191693.66.81366.38.3+33
20 to 243778.07.223410.89.6+143
25 to 294048.65.51878.75.8+216
30 to 344299.14.11818.44.4+248
35 to 394529.66.31547.15.9+297
40 to 443337.17.71225.76.7+210
45 to 491964.27.21145.37.7+82
50 to 542074.47.51024.78.8+105
55 to 592034.37.71135.27.7+90
60 to 642084.47.01326.16.5+76
65 to 692324.95.91105.14.8+122
70 to 742715.84.2793.72.5+191
75 to 791884.02.0793.71.7+108
80 to 841473.11.4482.21.0+98
85 and over1793.80.9281.30.6+151
Total population4,690100.0100.02,166100.0100.0+2,523
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 Norwest in 2021 compared to Bella Vista shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 14.8% of the population was aged between 0 and 15, and 21.7% 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 Norwest and Bella Vista were:

  • A larger percentage of persons aged 30 to 34 (9.1% compared to 4.1%)
  • A larger percentage of persons aged 35 to 39 (9.6% compared to 6.3%)
  • A smaller percentage of persons aged 10 to 14 (3.4% compared to 7.3%)
  • A smaller percentage of persons aged 55 to 59 (4.3% compared to 7.7%)

Emerging groups

From 2016 to 2021, Norwest's population increased by 2,524 people (116.5%). This represents an average annual population change of 16.71% 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 (+297 persons)
  • 30 to 34 (+248 persons)
  • 25 to 29 (+216 persons)
  • 40 to 44 (+210 persons)

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