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 1991 was 0 to 4 year olds, increasing by 2,085 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.
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Age structure - Five year age groups | |||||||
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Shire of Serpentine Jarrahdale - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
Five year age groups (years) | Number | % | Cardup area % | Number | % | Cardup area % | 1991 to 2021 |
0 to 4 | 2,789 | 9.0 | 5.4 | 704 | 8.8 | 6.7 | +2,085 |
5 to 9 | 2,751 | 8.8 | 7.3 | 710 | 8.9 | 8.7 | +2,041 |
10 to 14 | 2,467 | 7.9 | 9.5 | 714 | 8.9 | 9.4 | +1,753 |
15 to 19 | 1,941 | 6.2 | 8.7 | 655 | 8.2 | 9.9 | +1,286 |
20 to 24 | 1,669 | 5.4 | 6.5 | 468 | 5.8 | 6.0 | +1,201 |
25 to 29 | 2,083 | 6.7 | 3.5 | 554 | 6.9 | 5.6 | +1,529 |
30 to 34 | 2,571 | 8.3 | 4.2 | 727 | 9.1 | 6.6 | +1,844 |
35 to 39 | 2,516 | 8.1 | 6.3 | 674 | 8.4 | 9.0 | +1,842 |
40 to 44 | 2,035 | 6.5 | 7.0 | 721 | 9.0 | 10.3 | +1,314 |
45 to 49 | 1,892 | 6.1 | 8.8 | 552 | 6.9 | 7.0 | +1,340 |
50 to 54 | 1,960 | 6.3 | 9.1 | 454 | 5.7 | 6.4 | +1,506 |
55 to 59 | 1,776 | 5.7 | 8.2 | 328 | 4.1 | 3.8 | +1,448 |
60 to 64 | 1,437 | 4.6 | 4.7 | 311 | 3.9 | 4.1 | +1,126 |
65 to 69 | 1,110 | 3.6 | 4.7 | 192 | 2.4 | 2.9 | +918 |
70 to 74 | 948 | 3.0 | 3.5 | 141 | 1.8 | 1.9 | +807 |
75 to 79 | 566 | 1.8 | 1.4 | 84 | 1.0 | 1.4 | +482 |
80 to 84 | 360 | 1.2 | 0.9 | 24 | 0.3 | 0.2 | +336 |
85 and over | 254 | 0.8 | 0.2 | 6 | 0.1 | 0.2 | +248 |
Total population | 31,125 | 100.0 | 100.0 | 8,019 | 100.0 | 100.0 | +23,106 |
Analysis of the five year age groups of the Shire of Serpentine Jarrahdale in 2021 compared to Cardup area 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, 25.7% of the population was aged between 0 and 15, and 10.4% were aged 65 years and over, compared with 22.2% and 10.7% respectively for Cardup area.
The major differences between the age structure of the Shire of Serpentine Jarrahdale and Cardup area were:
From 1991 to 2021, Shire of Serpentine Jarrahdale's population increased by 23,106 people (288.1%). This represents an average annual population change of 4.62% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
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