Powered by .id (informed decisions) for Shire of Serpentine Jarrahdale
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LEARN MORE ABOUT .idIn 2021, the largest age group in the Shire of Serpentine Jarrahdale was 0 to 4 year olds. The group that changed the most since 2006 was 0 to 4 year olds, increasing by 1,983 people.
The Age Structure of the Shire of Serpentine Jarrahdale 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 Shire of Serpentine Jarrahdale'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 Shire of Serpentine Jarrahdale'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 | |||||||
|---|---|---|---|---|---|---|---|
| Shire of Serpentine Jarrahdale - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Hopeland - Keysbrook and SW rural area % | Number | % | Hopeland - Keysbrook and SW rural area % | 2006 to 2021 |
| 0 to 4 | 2,777 | 8.6 | 4.4 | 794 | 6.2 | 4.5 | +1,983 |
| 5 to 9 | 2,760 | 8.6 | 5.1 | 1,053 | 8.2 | 7.4 | +1,707 |
| 10 to 14 | 2,481 | 7.7 | 6.2 | 1,174 | 9.1 | 9.6 | +1,307 |
| 15 to 19 | 1,969 | 6.1 | 5.4 | 998 | 7.7 | 8.5 | +971 |
| 20 to 24 | 1,740 | 5.4 | 5.8 | 577 | 4.5 | 3.4 | +1,163 |
| 25 to 29 | 2,190 | 6.8 | 4.1 | 517 | 4.0 | 3.8 | +1,673 |
| 30 to 34 | 2,707 | 8.4 | 4.3 | 794 | 6.2 | 6.1 | +1,913 |
| 35 to 39 | 2,622 | 8.1 | 5.4 | 1,088 | 8.4 | 7.0 | +1,534 |
| 40 to 44 | 2,147 | 6.7 | 5.7 | 1,172 | 9.1 | 7.0 | +975 |
| 45 to 49 | 1,977 | 6.1 | 5.8 | 1,065 | 8.3 | 8.9 | +912 |
| 50 to 54 | 2,092 | 6.5 | 8.5 | 949 | 7.4 | 8.5 | +1,143 |
| 55 to 59 | 1,872 | 5.8 | 8.9 | 942 | 7.3 | 8.0 | +930 |
| 60 to 64 | 1,518 | 4.7 | 7.5 | 644 | 5.0 | 5.9 | +874 |
| 65 to 69 | 1,161 | 3.6 | 6.3 | 453 | 3.5 | 4.6 | +708 |
| 70 to 74 | 967 | 3.0 | 7.4 | 262 | 2.0 | 3.8 | +705 |
| 75 to 79 | 580 | 1.8 | 5.1 | 194 | 1.5 | 1.3 | +386 |
| 80 to 84 | 370 | 1.1 | 2.2 | 122 | 0.9 | 0.6 | +248 |
| 85 and over | 249 | 0.8 | 1.7 | 96 | 0.7 | 1.1 | +153 |
| Total population | 32,179 | 100.0 | 100.0 | 12,894 | 100.0 | 100.0 | +19,285 |
Dominant groups
Analysis of the five year age groups of the Shire of Serpentine Jarrahdale in 2021 compared to Hopeland - Keysbrook and SW rural area shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 24.9% of the population was aged between 0 and 15, and 10.3% were aged 65 years and over, compared with 15.8% and 22.8% respectively for Hopeland - Keysbrook and SW rural area.
The major differences between the age structure of the Shire of Serpentine Jarrahdale and Hopeland - Keysbrook and SW rural area were:
- A larger percentage of persons aged 0 to 4 (8.6% compared to 4.4%)
- A larger percentage of persons aged 30 to 34 (8.4% compared to 4.3%)
- A larger percentage of persons aged 5 to 9 (8.6% compared to 5.1%)
- A smaller percentage of persons aged 70 to 74 (3.0% compared to 7.4%)
Emerging groups
From 2006 to 2021, Shire of Serpentine Jarrahdale's population increased by 19,285 people (149.6%). This represents an average annual population change of 6.29% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 0 to 4 (+1,983 persons)
- 30 to 34 (+1,913 persons)
- 5 to 9 (+1,707 persons)
- 25 to 29 (+1,673 persons)
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