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LEARN MORE ABOUT .idIn 2021, the largest age group in Morphett Vale (West) was 30 to 34 year olds. The group that changed the most since 2006 was 70 to 74 year olds, increasing by 331 people.
The Age Structure of Morphett Vale (West) provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Morphett Vale (West)'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 Morphett Vale (West)'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 | |||||||
|---|---|---|---|---|---|---|---|
| Morphett Vale (West) - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | City of Onkaparinga % | Number | % | City of Onkaparinga % | 2006 to 2021 |
| 0 to 4 | 577 | 5.7 | 5.4 | 544 | 5.7 | 6.1 | +33 |
| 5 to 9 | 615 | 6.1 | 6.2 | 581 | 6.1 | 6.8 | +34 |
| 10 to 14 | 529 | 5.2 | 6.2 | 574 | 6.0 | 7.3 | -45 |
| 15 to 19 | 531 | 5.2 | 5.8 | 633 | 6.6 | 7.3 | -102 |
| 20 to 24 | 607 | 6.0 | 5.6 | 704 | 7.4 | 6.5 | -97 |
| 25 to 29 | 758 | 7.5 | 6.0 | 659 | 6.9 | 5.8 | +99 |
| 30 to 34 | 775 | 7.6 | 6.3 | 669 | 7.0 | 6.5 | +106 |
| 35 to 39 | 742 | 7.3 | 6.7 | 610 | 6.4 | 7.0 | +132 |
| 40 to 44 | 564 | 5.6 | 6.1 | 560 | 5.9 | 7.4 | +4 |
| 45 to 49 | 617 | 6.1 | 6.4 | 654 | 6.9 | 7.7 | -37 |
| 50 to 54 | 605 | 6.0 | 6.6 | 706 | 7.4 | 7.3 | -101 |
| 55 to 59 | 589 | 5.8 | 6.5 | 799 | 8.4 | 7.1 | -210 |
| 60 to 64 | 579 | 5.7 | 6.3 | 628 | 6.6 | 5.0 | -49 |
| 65 to 69 | 601 | 5.9 | 5.9 | 400 | 4.2 | 3.6 | +201 |
| 70 to 74 | 607 | 6.0 | 5.7 | 276 | 2.9 | 2.8 | +331 |
| 75 to 79 | 459 | 4.5 | 3.8 | 253 | 2.7 | 2.5 | +206 |
| 80 to 84 | 228 | 2.2 | 2.3 | 173 | 1.8 | 1.8 | +55 |
| 85 and over | 158 | 1.6 | 2.2 | 110 | 1.2 | 1.4 | +48 |
| Total population | 10,141 | 100.0 | 100.0 | 9,533 | 100.0 | 100.0 | +608 |
Dominant groups
Analysis of the five year age groups of Morphett Vale (West) in 2021 compared to the City of Onkaparinga shows that there was a lower proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 17.0% of the population was aged between 0 and 15, and 20.2% were aged 65 years and over, compared with 17.7% and 19.9% respectively for the City of Onkaparinga.
The major differences between the age structure of Morphett Vale (West) and the City of Onkaparinga were:
- A larger percentage of persons aged 25 to 29 (7.5% compared to 6.0%)
- A larger percentage of persons aged 30 to 34 (7.6% compared to 6.3%)
- A larger percentage of persons aged 75 to 79 (4.5% compared to 3.8%)
- A smaller percentage of persons aged 10 to 14 (5.2% compared to 6.2%)
Emerging groups
From 2006 to 2021, Morphett Vale (West)'s population increased by 608 people (6.4%). This represents an average annual population change of 0.41% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 70 to 74 (+331 persons)
- 55 to 59 (-210 persons)
- 75 to 79 (+206 persons)
- 65 to 69 (+201 persons)
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