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LEARN MORE ABOUT .idIn 2021, the largest age group in Silverwater was 30 to 34 year olds. The group that changed the most since 1991 was 30 to 34 year olds, increasing by 417 people.
The Age Structure of Silverwater provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Silverwater'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 Silverwater'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 | |||||||
|---|---|---|---|---|---|---|---|
| Silverwater - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | City of Parramatta % | Number | % | City of Parramatta % | 1991 to 2021 |
| 0 to 4 | 164 | 4.5 | 6.3 | 74 | 7.1 | 6.4 | +90 |
| 5 to 9 | 180 | 4.9 | 6.5 | 76 | 7.3 | 6.2 | +104 |
| 10 to 14 | 128 | 3.5 | 5.5 | 67 | 6.5 | 6.8 | +61 |
| 15 to 19 | 113 | 3.1 | 4.5 | 63 | 6.1 | 8.4 | +50 |
| 20 to 24 | 292 | 7.9 | 6.6 | 98 | 9.5 | 9.0 | +193 |
| 25 to 29 | 423 | 11.5 | 9.1 | 117 | 11.3 | 8.0 | +306 |
| 30 to 34 | 517 | 14.1 | 10.3 | 100 | 9.7 | 7.8 | +417 |
| 35 to 39 | 479 | 13.0 | 10.2 | 94 | 9.1 | 7.3 | +385 |
| 40 to 44 | 407 | 11.1 | 7.5 | 62 | 6.0 | 7.3 | +345 |
| 45 to 49 | 279 | 7.6 | 6.1 | 57 | 5.5 | 6.8 | +221 |
| 50 to 54 | 210 | 5.7 | 5.3 | 44 | 4.3 | 5.7 | +165 |
| 55 to 59 | 148 | 4.0 | 5.0 | 33 | 3.2 | 4.4 | +115 |
| 60 to 64 | 121 | 3.3 | 4.6 | 38 | 3.7 | 4.3 | +83 |
| 65 to 69 | 87 | 2.4 | 3.9 | 35 | 3.4 | 3.9 | +51 |
| 70 to 74 | 59 | 1.6 | 3.1 | 32 | 3.2 | 3.1 | +26 |
| 75 to 79 | 38 | 1.0 | 2.3 | 21 | 2.0 | 2.2 | +17 |
| 80 to 84 | 16 | 0.4 | 1.6 | 13 | 1.3 | 1.3 | +2 |
| 85 and over | 16 | 0.4 | 1.6 | 7 | 0.7 | 0.9 | +9 |
| Total population | 3,677 | 100.0 | 100.0 | 1,039 | 100.0 | 100.0 | +2,638 |
Dominant groups
Analysis of the five year age groups of Silverwater in 2021 compared to the City of Parramatta 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, 12.8% of the population was aged between 0 and 15, and 5.9% were aged 65 years and over, compared with 18.3% and 12.6% respectively for the City of Parramatta.
The major differences between the age structure of Silverwater and the City of Parramatta were:
- A larger percentage of persons aged 30 to 34 (14.1% compared to 10.3%)
- A larger percentage of persons aged 40 to 44 (11.1% compared to 7.5%)
- A larger percentage of persons aged 35 to 39 (13.0% compared to 10.2%)
- A larger percentage of persons aged 25 to 29 (11.5% compared to 9.1%)
Emerging groups
From 1991 to 2021, Silverwater's population increased by 2,638 people (253.9%). This represents an average annual population change of 4.3% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 30 to 34 (+417 persons)
- 35 to 39 (+385 persons)
- 40 to 44 (+345 persons)
- 25 to 29 (+306 persons)
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