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LEARN MORE ABOUT .idIn 2021, the largest age group in East St Kilda was 30 to 34 year olds. The group that changed the most since 2016 was 25 to 29 year olds, decreasing by 453 people.
The Age Structure of East St Kilda provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of East St Kilda'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 East St Kilda'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 | |||||||
|---|---|---|---|---|---|---|---|
| East St Kilda - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | City of Port Phillip % | Number | % | City of Port Phillip % | 2016 to 2021 |
| 0 to 4 | 675 | 4.4 | 4.1 | 834 | 5.2 | 4.9 | -159 |
| 5 to 9 | 529 | 3.4 | 3.7 | 631 | 4.0 | 3.8 | -102 |
| 10 to 14 | 511 | 3.3 | 3.6 | 456 | 2.9 | 3.0 | +55 |
| 15 to 19 | 431 | 2.8 | 3.2 | 446 | 2.8 | 2.9 | -15 |
| 20 to 24 | 1,102 | 7.1 | 5.4 | 1,268 | 7.9 | 6.5 | -167 |
| 25 to 29 | 2,258 | 14.6 | 11.0 | 2,711 | 17.0 | 12.6 | -453 |
| 30 to 34 | 2,281 | 14.8 | 11.7 | 2,431 | 15.2 | 13.4 | -151 |
| 35 to 39 | 1,688 | 10.9 | 10.1 | 1,714 | 10.7 | 9.9 | -27 |
| 40 to 44 | 1,234 | 8.0 | 7.9 | 1,249 | 7.8 | 8.1 | -16 |
| 45 to 49 | 1,059 | 6.9 | 7.4 | 985 | 6.2 | 7.3 | +73 |
| 50 to 54 | 876 | 5.7 | 7.0 | 790 | 4.9 | 6.1 | +85 |
| 55 to 59 | 737 | 4.8 | 6.1 | 657 | 4.1 | 5.6 | +80 |
| 60 to 64 | 577 | 3.7 | 5.3 | 539 | 3.4 | 4.5 | +38 |
| 65 to 69 | 508 | 3.3 | 4.2 | 460 | 2.9 | 4.1 | +48 |
| 70 to 74 | 391 | 2.5 | 3.7 | 294 | 1.8 | 2.8 | +97 |
| 75 to 79 | 247 | 1.6 | 2.6 | 203 | 1.3 | 1.9 | +44 |
| 80 to 84 | 167 | 1.1 | 1.6 | 147 | 0.9 | 1.3 | +20 |
| 85 and over | 161 | 1.0 | 1.4 | 158 | 1.0 | 1.4 | +3 |
| Total population | 15,432 | 100.0 | 100.0 | 15,979 | 100.0 | 100.0 | -548 |
Dominant groups
Analysis of the five year age groups of East St Kilda in 2021 compared to the City of Port Phillip shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 11.1% of the population was aged between 0 and 15, and 9.6% were aged 65 years and over, compared with 11.4% and 13.5% respectively for the City of Port Phillip.
The major differences between the age structure of East St Kilda and the City of Port Phillip were:
- A larger percentage of persons aged 25 to 29 (14.6% compared to 11.0%)
- A larger percentage of persons aged 30 to 34 (14.8% compared to 11.7%)
- A larger percentage of persons aged 20 to 24 (7.1% compared to 5.4%)
- A smaller percentage of persons aged 60 to 64 (3.7% compared to 5.3%)
Emerging groups
From 2016 to 2021, East St Kilda's population decreased by 547 people (3.4%). This represents an average annual population change of -0.69% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 25 to 29 (-453 persons)
- 20 to 24 (-167 persons)
- 0 to 4 (-159 persons)
- 30 to 34 (-151 persons)
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