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LEARN MORE ABOUT .idIn 2021, the largest age group in North West Precinct was 35 to 39 year olds. The group that changed the most since 2011 was 45 to 49 year olds, increasing by 247 people.
The Age Structure of North West Precinct provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of North West Precinct'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 North West 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?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| North West Precinct - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | North Precinct % | Number | % | North Precinct % | 2011 to 2021 |
| 0 to 4 | 1,138 | 6.0 | 5.9 | 1,150 | 6.3 | 7.1 | -13 |
| 5 to 9 | 1,110 | 5.8 | 6.3 | 988 | 5.4 | 5.7 | +121 |
| 10 to 14 | 1,093 | 5.7 | 6.3 | 1,023 | 5.6 | 5.4 | +69 |
| 15 to 19 | 1,044 | 5.5 | 5.5 | 1,065 | 5.9 | 5.6 | -21 |
| 20 to 24 | 1,176 | 6.2 | 4.5 | 1,387 | 7.6 | 6.4 | -212 |
| 25 to 29 | 1,294 | 6.8 | 4.7 | 1,238 | 6.8 | 6.9 | +55 |
| 30 to 34 | 1,372 | 7.2 | 6.8 | 1,177 | 6.5 | 6.9 | +195 |
| 35 to 39 | 1,377 | 7.2 | 8.1 | 1,374 | 7.6 | 7.8 | +3 |
| 40 to 44 | 1,251 | 6.6 | 7.5 | 1,291 | 7.1 | 7.2 | -41 |
| 45 to 49 | 1,371 | 7.2 | 7.1 | 1,123 | 6.2 | 6.8 | +247 |
| 50 to 54 | 1,174 | 6.2 | 6.6 | 1,128 | 6.2 | 6.4 | +45 |
| 55 to 59 | 1,033 | 5.4 | 5.6 | 980 | 5.4 | 6.7 | +53 |
| 60 to 64 | 1,033 | 5.4 | 5.5 | 1,201 | 6.6 | 6.4 | -169 |
| 65 to 69 | 874 | 4.6 | 5.3 | 975 | 5.4 | 4.7 | -101 |
| 70 to 74 | 958 | 5.0 | 5.5 | 771 | 4.2 | 3.3 | +187 |
| 75 to 79 | 753 | 4.0 | 3.8 | 560 | 3.1 | 2.4 | +193 |
| 80 to 84 | 551 | 2.9 | 2.5 | 403 | 2.2 | 2.1 | +147 |
| 85 and over | 454 | 2.4 | 2.5 | 337 | 1.9 | 2.0 | +116 |
| Total population | 19,056 | 100.0 | 100.0 | 18,181 | 100.0 | 100.0 | +875 |
Dominant groups
Analysis of the five year age groups of North West Precinct in 2021 compared to North Precinct shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 17.5% of the population was aged between 0 and 15, and 18.8% were aged 65 years and over, compared with 18.5% and 19.6% respectively for North Precinct.
The major differences between the age structure of North West Precinct and North Precinct were:
- A larger percentage of persons aged 25 to 29 (6.8% compared to 4.7%)
- A larger percentage of persons aged 20 to 24 (6.2% compared to 4.5%)
- A smaller percentage of persons aged 40 to 44 (6.6% compared to 7.5%)
- A smaller percentage of persons aged 35 to 39 (7.2% compared to 8.1%)
Emerging groups
From 2011 to 2021, North West Precinct's population increased by 875 people (4.8%). This represents an average annual population change of 0.47% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 45 to 49 (+247 persons)
- 20 to 24 (-212 persons)
- 30 to 34 (+195 persons)
- 75 to 79 (+193 persons)
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